CN106432436A - Antigen protein for bovine respiratory tract syncytial virus - Google Patents

Antigen protein for bovine respiratory tract syncytial virus Download PDF

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Publication number
CN106432436A
CN106432436A CN201611065112.0A CN201611065112A CN106432436A CN 106432436 A CN106432436 A CN 106432436A CN 201611065112 A CN201611065112 A CN 201611065112A CN 106432436 A CN106432436 A CN 106432436A
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ser
val
asn
leu
thr
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汤斌
钟鱼
朱云
赵斌
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Yantai Royal Emperor Biological Engineering Co Ltd
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Yantai Royal Emperor Biological Engineering Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/005Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from viruses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2299/00Coordinates from 3D structures of peptides, e.g. proteins or enzymes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2760/00MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
    • C12N2760/00011Details
    • C12N2760/18011Paramyxoviridae
    • C12N2760/18511Pneumovirus, e.g. human respiratory syncytial virus
    • C12N2760/18522New viral proteins or individual genes, new structural or functional aspects of known viral proteins or genes

Abstract

The invention discloses antigen protein for bovine respiratory tract syncytial virus. Compared with SEQ ACL80037.1, at least two sites of an amino acid sequence of the antigen protein for the bovine respiratory tract syncytial virus are replaced with cysteine, and after replacement, the cysteine can be connected with each other by a disulfide bond; on the basis, improvements such as inside disulfide bonds, hole filling and single-chain connection are carried out; furthermore, a preparation method of the antigen proteins is provided. The antigen protein applies techniques and theory of protein crystallography to determine structural changes of protein in the processes of virus infection and pathogenesis, and then performs genetic engineering transformation on a key viral protein according to results of the structural changes, thus enabling the protein antigen to only infect without pathopoiesia and to cause efficient response of an animal body antibody; therefore, the antigen protein can effectively prevent and treat bovine respiratory tract syncytial virus infection. Ideal virus vaccines can be developed by taking the antigen protein as a basis, so that the loss caused by viral infection is effectively controlled and prevented, and the antigen protein for the bovine respiratory tract syncytial virus has important economic significance and social significance.

Description

A kind of bovine respiratory born of the same parents zoarium viral antigen proteins
Technical field
The invention belongs to biological product preparing technical field, be related to a kind of bovine respiratory born of the same parents zoarium viral antigen proteins and its Preparation method.
Background technology
The fit virus of bovine respiratory born of the same parents(Bovine Respiration Syncytial Virus – BRSV)Infection can be drawn Play cattle respiratory disease, be listed in EU member country and be only second to bovine mucosal disease(BVD)And infectious bovine rhinotrachetiss(IBR)'s One of important cattle disease.Primary disease is in that world wide is popular, and its hazardness is that BRSV the incidence of infection up to arrives 60%-80%, extremely Rate of dying reaches more than 20% in some outbursts, causes very big economic loss to cattle-raising.Although this BRSV is from eighties of last century Begin to the seventies list research and development category in, do not develop preferable medicine and vaccine for various reasons.Although relevant In multiple inactivations of BRSV, weak poison, the report of restructuring and DNA vaccination, but also has certain distance apart from Clinical practice, current state Preferable viral vaccine is not still had on border.
The development of traditional vaccine and produce and mainly pass through to change condition of culture, or pass on different host animals and make cause Sick Ecotoxicology weakens, or is inactivated by physics, chemical method and to complete.With the continuous progress of human knowledge, The limitation of traditional vaccine also increasingly reveals:(1) virus of animals and humans needs to cultivate in zooblast, and this makes The cost of production of vaccine is very high;(2) morbid substance in vaccine is possible to not kill completely or fill in vaccine production process Divide attenuation, this can lead to contain strong toxicity morbid substance in vaccine, and then disease is propagated in the larger context;(3) subtract Toxic bacterial strain is possible to undergo mutation, and causes disease.
Bovine respiratory born of the same parents zoarium virus is the member of family of paramyxovirus section, F- albumen thereon be highly conserved simultaneously Form trimer furcella, it occurs conformation change under activation.The protein mediated virus of F- and the fusion of cell membrane, allow virus nucleocapsid Body enters Cytoplasm, and the suppression protein mediated step of F- is prevented the initial period of infectious cycle and neutralized viral infection and can have The antibody preventing virus infraction, that is, being directed to F- albumen of effect, suppresses its activity, can neutralize viral infection and can protect From BRSV infection.Apply the open beginning having created Chinese structure Basic of Biology theoretical research, the present invention is by structure biology It is applied in practice, synthesis bovine respiratory born of the same parents zoarium viral antigen proteins.
Content of the invention
It is an object of the invention to the shortcoming overcoming prior art to exist, provide a kind of bovine respiratory born of the same parents zoarium virus antigen Albumen and preparation method thereof, the technology of this antigen protein application protein crystallography and theory, determine albumen in virus infection and Structure change in pathogenic course, the result further according to structure change carries out genetic engineering to this crucial virus protein and changes Make and only infect proteantigen that is not pathogenic and causing animal body antibody highly effective reaction so as to become.
To achieve these goals, the present invention solves its technical problem and is adopted the technical scheme that:
A kind of bovine respiratory born of the same parents zoarium viral antigen proteins, coding bovine respiratory born of the same parents fit virus key protein F- albumen wild species Aminoacid sequence abbreviation SEQ ACL80037.1, particular sequence is MRMIISIILISTYVPHITLCQNITEEFYQSTCSAVSRGYLSALRTGWYTSVVTIELSKIQKNVCNGTDSKVKLIKQE LERYNNAVVELQSLMQNEPTSSSRAKRGIPESIHYTRNSTKKFYGLMGKKRKRRFLGFLLGIGSAIASGVAVSKVLH LEGEVNKIKNALLSTNKAVVSLSNGVSVLTSKVLDLKNYIDKKLLPKVNNHDCRISNIETVIEFQQKNNRLLEIARE FSVNAGITTPLSTYMLTNSELLSLINDMPITNDQKKLMSSNVQIVRQQSYSIMSVVKEEVIAYVVQLPIYGVIDTPC WKVHTSPLCTTDNKEGSNICLTRTDRGWYCDNAGSVSFFPQAETCKVQSNRVFCDTMNSLTLPTDVNLCNTDIFNTK YDCKIMTSKTDISSSVITSIGAIVSCYGKTKCTASNKNRGIIKTFSNGCDYVSNKGVDTVSVGNTLYYVNKLEGKAL YIKGEPIINYYNPLVFGTYEFDASIAQVNAK it is characterised in that:The ammonia of described bovine respiratory born of the same parents zoarium viral antigen proteins Base acid sequence is compared at least two sites of SEQ ACL80037.1 and is substituted by cysteine, and substitute after cysteine it Between by disulfide bond.
As optimize, described site is the 148th L-Valine of aminoacid sequence and 288 isoleucine.
As optimize, described site is the 158th leucine of aminoacid sequence and 290 serines.
As optimize, the aminoacid sequence of described bovine respiratory born of the same parents zoarium viral antigen proteins compares SEQ ACL80037.1, the leucine in the 260th site is substituted by cysteine, and realizes hole filling in this site.
As optimize, the described aminoacid sequence for bovine respiratory born of the same parents zoarium viral antigen proteins rejects SEQ The aminoacid sequence in 103 sites in ACL80037.1 sequence to 138 sites, connects 102 sites and 139 using sgsgs Point.
As optimize, the described aminoacid sequence for bovine respiratory born of the same parents zoarium viral antigen proteins rejects SEQ The aminoacid sequence in 103 sites in ACL80037.1 sequence to 142 sites, connects 102 sites and 143 using sgsgs Point.
As optimize, the aminoacid sequence of described coding bovine respiratory born of the same parents zoarium viral antigen proteins compares SEQ ACL80037.1 sequence, the 99th site aspartic acid is substituted by cysteine, and the 362nd site serine is substituted by cysteine, And disulfide bond in connection between the cysteine after replacement.
A kind of preparation method of bovine respiratory born of the same parents zoarium viral antigen proteins it is characterised in that:Concrete technology is as follows:
(1)According to the principle of structure biology, carry out protein crystal, observed with X-ray after crystallization, determine and infect virus key Cause of disease F- albumen infect before and after structure change;
(2)According to step(1)Structure change designs sequence and the structure of antigen protein;
(3)Determine and need the qualification of antigen protein through multiple antigen tests and stability characteristic detection;
(4)Antigen protein sequence through checking is carried out corresponding albumen synthesis, expression, purification and detects, obtain for making For animal experiment and clinical trial for bovine respiratory born of the same parents zoarium viral antigen proteins.
The protein mediated virus of cattle born of the same parents fit virus key F- and the fusion of cell membrane, allow viral nucleocapsid enter cell.Pin Antigen protein to bovine respiratory born of the same parents zoarium viral design, is that the structure change before and after being infected according to F- albumen sets, Make F- protein structure remain at the state before fusion on the basis of genetic engineering only to infect not pathogenic and draw so as to have Rise animal body antibody highly effective reaction proteantigen the features such as.
The present invention can make F- albumen keep trimer furcella state before and after infecting(Closure state), only infected Proteantigen that is not pathogenic and causing animal's antibody highly effective reaction;In order to ensure that coming from the F- albumen on pathogenic virus is in Stable preinfective state, to add on F- albumen series connects chain, including in disulfide bond, disulfide bond, hole filling With single-stranded connection.
Compared with prior art, its advantage is the present invention:Bovine respiratory using the preparation of protein crystallography method Born of the same parents' zoarium viral antigen proteins can effectively prevent and treat bovine respiratory born of the same parents fit virus infection, can open based on this Send preferable viral vaccine;Effective control and strick precaution virus infect the loss bringing, and have great economic implications and society Meaning.
Brief description
Fig. 1 the present invention relates to the use of the 3-D solid structure simulation that Phenix software carries out cattle syncytial viruses F- albumen Figure, left figure is trimer 3-D solid structure simulation drawing before dip-dye, and right figure is the partial enlarged drawing of left figure lower right corner square frame position.
Fig. 2 cattle according to the present invention syncytial viruses Respiroviruses infect the F- protein structure of the key of before and after's process Change schematic diagram.Before in figure shows and infects(Left), F- albumen trimer assumes trimer furcella state, after infecting(Right)F- egg It is activated in vain, occurred conformation changes, the fusion of virus and cell membrane, viral nucleocapsid enters Cytoplasm, and then infects cattle body simultaneously So that it is caused a disease.
Fig. 3 Electronic Speculum infecting Niu Tihou through transformation successful bovine respiratory born of the same parents zoarium proteantigen according to the present invention Photo state.Left figure shows that the bovine respiratory born of the same parents zoarium proteantigen of RD-BRSV-DB1-CF1 transformation infects the state of Niu Tihou, It can be seen that assuming trimer furcella state before stable fusion, right figure is the bovine respiratory born of the same parents zoarium virus infection cattle without transformation Electromicroscopic photograph after body.
On Fig. 4 F- according to the present invention albumen add connects chain schematic diagram, including in disulfide bond, disulfide bond, hole filling With single-stranded connection, these link guarantee F- albumen holding trimer furcella states.
Specific embodiment
Below by embodiment and combine accompanying drawing the present invention is further described.
Embodiment 1:SEQ ACL80037.1 is transformed as follows the fit disease of a kind of bovine respiratory born of the same parents obtaining the present invention Malicious antigen protein:
Bovine respiratory born of the same parents fit virus the 148th L-Valine of F- protein amino acid sequence SEQ ACL80037.1 is by cysteine Substitute, the 288th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, is carried out corresponding albumen Synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB1 obtaining, its aminoacid sequence letter Referred to as SEQ DB1.
Bovine respiratory born of the same parents fit virus the 158th leucine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 290th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, is carried out corresponding Albumen synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB2 obtaining, its aminoacid sequence Row are referred to as SEQ DB2.
Bovine respiratory born of the same parents fit virus the 148th L-Valine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 288th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling, carried out corresponding albumen synthesis, express, carry Bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB1-CF1 that is pure, obtaining, its aminoacid sequence is referred to as SEQ DB1-CF1.
Bovine respiratory born of the same parents fit virus the 158th leucine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 290th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling, carried out corresponding albumen synthesis, express, carry Bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB2-CF1 that is pure, obtaining, its aminoacid sequence is referred to as SEQ DB2-CF1.
Bovine respiratory born of the same parents fit virus the 148th L-Valine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 288th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond;Simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 138 site, connects 102 and 139 sites using sgsgs, is carried out corresponding albumen synthesis, table Reach, purify, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB1-CF1-SC1 obtaining, its aminoacid sequence Referred to as SEQ DB1-CF1-SC1.
Bovine respiratory born of the same parents fit virus the 158th leucine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 290th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 138 site, connects 102 and 139 sites using sgsgs, is carried out corresponding albumen synthesis, table Reach, purify, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB2-CF1-SC1 obtaining, its aminoacid sequence Referred to as SEQ DB2-CF1-SC1.
Bovine respiratory born of the same parents fit virus the 148th L-Valine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 288th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond;Simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 138 site, connects 102 and 139 sites using sgsgs, the 99th site aspartic acid is by cysteine Substitute, the 362nd site serine is substituted by cysteine, and disulfide bond in connection between the cysteine after replacement, carry out Corresponding albumen synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB1-CF1- obtaining SC1-ID1, its aminoacid sequence is referred to as SEQ DB1-CF1-SC1-ID1.
Bovine respiratory born of the same parents fit virus the 148th L-Valine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 288th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond;Simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 142 site, connects 102 and 143 sites using sgsgs, the 99th site aspartic acid is by cysteine Substitute, the 362nd site serine is substituted by cysteine, and disulfide bond in connection between the cysteine after replacement, carry out Corresponding albumen synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB1-CF1- obtaining SC2-ID1, its aminoacid sequence is referred to as SEQ DB1-CF1-SC2-ID1.
Bovine respiratory born of the same parents fit virus the 158th leucine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 290th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 138 site, connects 102 and 139 sites using sgsgs;99th site aspartic acid is by cysteine Substitute, the 362nd site serine is substituted by cysteine, and disulfide bond in connection between the cysteine after replacement.It enters Row corresponding albumen synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB2- obtaining CF1-SC1-ID1, its aminoacid sequence is referred to as SEQ DB2-CF1-SC1-ID1.
Bovine respiratory born of the same parents fit virus the 158th leucine of F- protein amino acid sequence SEQ ACL80037.1 is by half Guang Propylhomoserin substitutes, and the 290th isoleucine is substituted by cysteine, and is connected two sites by disulfide bond, simultaneously by the 260th site Leucine substituted by cysteine, and this site realize hole filling;Reject SEQ ACL80037.1 sequence in 103 to The aminoacid sequence in site 142 site, connects 102 and 143 sites using sgsgs;99th site aspartic acid is by cysteine Substitute, the 362nd site serine is substituted by cysteine, and disulfide bond in connection between the cysteine after replacement.It enters Row corresponding albumen synthesis, expression, purification, the bovine respiratory born of the same parents zoarium viral antigen proteins abbreviation RD-BRSV-DB2- obtaining CF1-SC2-ID1, its aminoacid sequence is referred to as SEQ DB2-CF1-SC2-ID1.
Immunogenicity, also known as antigenicity, refers to the characteristic that antigenic stimulus body produces immunne response ability.Immunoreactivity refers to Antigen molecule can be with the product of corresponding immunne response(Antibody or primed lymphocyte), specifically bind in vivo or in vitro Performance, using ELISA method, the affinity-immunity of antigen and antibody is tested.ELISA method has sensitive, special, simple Singly, quickly the features such as, stablize and be easily operated automatically, as a new technique in immunologic diagnosises, is applied successfully to Macromole antigen and the quantitative determination of small molecule antigens.The antibody of high affinity and the adhesion of antigen are strong, and that is, antigen concentration is very Also more antibodies bind antigen is had to form immune complex when low.Affinity is represented with equilibrium constant K, and K value is bigger, affine Property is higher, also more firm with antigen binding.Table 1 give the present invention preparation antigen protein respectively Site, SiteQP, The affinity data of Site V, Site II site and antibodies.
The Characteristics Detection of table 1 embodiment bovine respiratory born of the same parents zoarium viral antigen proteins
The present invention has higher antibody library affinity through the F- albumen of design improvement.All protect through improved antigen protein Hold trimer furcella state before fusion(Trimer), and purpose antigen albumen can be obtained.
The antigen protein that the present invention obtains purification is specifically bound with D25 antibody, through protein immunization electrophoresis and ELISA Method detects, result shows not only there is preferable immunogenicity, and can produce higher antibody horizontal, table by inducing mouse The 2 immunogenicity weighted means giving D25 antibody and antigen protein specific binding of the present invention, matched group is unmanifest open country Non-hibernating eggs.
The Characteristics Detection that table 2 embodiment bovine respiratory born of the same parents zoarium viral antigen proteins are specifically bound with D25
Antigen protein D25 affinity potency weighted mean
RD-BRSV-DB1 784
RD-BRSV-DB2 2545
RD-BRSV-DB1-CF1 5436
RD-BRSV-DB2-CF1 2254
RD-BRSV-DB1-CF1-SC1 543
RD-BRSV-DB2-CF1-SC1 1458
RD-BRSV-DB1-CF1-SC1-ID1 4445
RD-BRSV-DB1-CF1-SC2-ID1 847
RD-BRSV-DB2-CF1-SC1-ID1 5434
RD-BRSV-DB2-CF1-SC2-ID1 1659
Unmanifest wild species 100
Carry out physical and chemical stability to the antigen protein in the present invention to be measured, including aspects such as temperature, pH, osmotic pressuries, Detailed data is shown in Table 3, and in table, data is the ratio of the antigen protein active and optimal antigen protein activity under corresponding conditionses, knot Fruit shows that the antigen protein through design improvement assumes preferable stability to temperature, pH value, osmotic pressure etc., has higher anti- Should activity.
The reactivity stability of table 3 embodiment bovine respiratory born of the same parents zoarium viral antigen proteins
Embodiment 2:The concrete technology of RD-BRSV-DB1-CF1-SC1-ID1 in preparation embodiment 1.See albumen mechanism and shape Can be by following three kinds of approach, respectively x- ray(x-ray Crystallography), nuclear magnetic resonance, NMR(NMR), Electronic Speculum, The present invention is observed to protein structure using x-ray method.Using Solution maker 600 plux series by target egg Crystallized in vain, the target protein after crystallization is adopted X-ray system(SER-CAT22)Collect crystallization volume data, and so that it is become Picture, obtains the electronic cloud of protein structure, obtains the data variation before and after key protein F- albumen infects, and infects front-end geometry and becomes Change as shown in Figure 2.
Data processing of racking is entered to above-mentioned electronic cloud, using corresponding software(Phenix)Carry out with wild protein sequence Digital simulation, forms the 3-D solid structure simulation figure of protein structure.The three-dimensional protein structure being simulated according to protein sequence Figure obtains the Trimeric structures of F- albumen, refers to Fig. 1.
According to the principle of crystal chemistry, carry out antigen protein structure design using simulation softward, its design is included as Fig. 4 institute The four kinds of modes shown:Interior disulfide bond(intra disulphide bond), disulfide bond(disulphide bond), hole filling (cavity filling)With single-stranded connection(single chain), wild species ACL80037.1 is designed.
The protein sequence designing is translated into DNA sequence, the Expi293F conduct providing using invitrogen company Cell carrier carries out cultivating 5 days in 293Fectin culture medium, collects cell culture fluid, target protein is carried out purification Obtain the BRSV F- albumen of purification designing, i.e. RD-BRSV-DB1-CF1-SC1-ID1, improved bovine respiratory born of the same parents close Body protein antigen infects trimer furcella state before Niu Tihou assumes stable fusion and sees Fig. 3(Left).
Above-mentioned specific embodiment is only the concrete case of the present invention, and the scope of patent protection of the present invention includes but is not limited to The product form of above-mentioned specific embodiment and style, a kind of any bovine respiratory born of the same parents zoarium meeting claims of the present invention Suitable change or modification that viral antigen proteins and any person of an ordinary skill in the technical field are done to it, all should fall into The scope of patent protection of the present invention.
SEQUENCE LISTING
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<120>A kind of bovine respiratory born of the same parents zoarium viral antigen proteins
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Ile Thr Asn Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val
245 250 255
Arg Gln Gln Ser Tyr Ser Cys Met Ser Val Val Lys Glu Glu Val Ile
260 265 270
Ala Tyr Val Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys
275 280 285
Trp Lys Val His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly
290 295 300
Ser Asn Ile Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn
305 310 315 320
Ala Gly Ser Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln
325 330 335
Ser Asn Arg Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr
340 345 350
Asp Val Asn Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys
355 360 365
Lys Ile Met Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser
370 375 380
Ile Gly Ala Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser
385 390 395 400
Asn Lys Asn Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr
405 410 415
Val Ser Asn Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr
420 425 430
Tyr Val Asn Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro
435 440 445
Ile Ile Asn Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp
450 455 460
Ala Ser Ile Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe
465 470 475 480
Ile Arg Arg Ser Asp Glu Leu Leu His
485
<210> 3
<211> 489
<212> PRT
<213>Artificial sequence
<400> 3
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Asn Glu Pro Thr Ser Ser Ser
65 70 75 80
Arg Ala Lys Arg Gly Ile Pro Glu Ser Ile His Tyr Thr Arg Asn Ser
85 90 95
Thr Lys Lys Phe Tyr Gly Leu Met Gly Lys Lys Arg Lys Arg Arg Phe
100 105 110
Leu Gly Phe Leu Leu Gly Ile Gly Ser Ala Ile Ala Ser Gly Val Ala
115 120 125
Val Ser Lys Val Cys His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn
130 135 140
Ala Leu Leu Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val
145 150 155 160
Ser Val Leu Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys
165 170 175
Lys Leu Leu Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile
180 185 190
Glu Thr Val Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile
195 200 205
Ala Arg Glu Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr
210 215 220
Tyr Met Leu Thr Asn Ser Glu Leu Leu Ser Leu Ile Asn Asp Met Pro
225 230 235 240
Ile Thr Asn Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val
245 250 255
Arg Gln Gln Ser Tyr Ser Ile Met Cys Val Val Lys Glu Glu Val Ile
260 265 270
Ala Tyr Val Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys
275 280 285
Trp Lys Val His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly
290 295 300
Ser Asn Ile Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn
305 310 315 320
Ala Gly Ser Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln
325 330 335
Ser Asn Arg Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr
340 345 350
Asp Val Asn Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys
355 360 365
Lys Ile Met Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser
370 375 380
Ile Gly Ala Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser
385 390 395 400
Asn Lys Asn Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr
405 410 415
Val Ser Asn Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr
420 425 430
Tyr Val Asn Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro
435 440 445
Ile Ile Asn Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp
450 455 460
Ala Ser Ile Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe
465 470 475 480
Ile Arg Arg Ser Asp Glu Leu Leu His
485
<210> 4
<211> 489
<212> PRT
<213>Artificial sequence
<400> 4
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Asn Glu Pro Thr Ser Ser Ser
65 70 75 80
Arg Ala Lys Arg Gly Ile Pro Glu Ser Ile His Tyr Thr Arg Asn Ser
85 90 95
Thr Lys Lys Phe Tyr Gly Leu Met Gly Lys Lys Arg Lys Arg Arg Phe
100 105 110
Leu Gly Phe Leu Leu Gly Ile Gly Ser Ala Cys Ala Ser Gly Val Ala
115 120 125
Val Ser Lys Val Leu His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn
130 135 140
Ala Leu Leu Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val
145 150 155 160
Ser Val Leu Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys
165 170 175
Lys Leu Leu Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile
180 185 190
Glu Thr Val Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile
195 200 205
Ala Arg Glu Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr
210 215 220
Tyr Met Leu Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro
225 230 235 240
Ile Thr Asn Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val
245 250 255
Arg Gln Gln Ser Tyr Ser Cys Met Ser Val Val Lys Glu Glu Val Ile
260 265 270
Ala Tyr Val Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys
275 280 285
Trp Lys Val His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly
290 295 300
Ser Asn Ile Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn
305 310 315 320
Ala Gly Ser Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln
325 330 335
Ser Asn Arg Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr
340 345 350
Asp Val Asn Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys
355 360 365
Lys Ile Met Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser
370 375 380
Ile Gly Ala Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser
385 390 395 400
Asn Lys Asn Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr
405 410 415
Val Ser Asn Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr
420 425 430
Tyr Val Asn Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro
435 440 445
Ile Ile Asn Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp
450 455 460
Ala Ser Ile Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe
465 470 475 480
Ile Arg Arg Ser Asp Glu Leu Leu His
485
<210> 5
<211> 489
<212> PRT
<213>Artificial sequence
<400> 5
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Asn Glu Pro Thr Ser Ser Ser
65 70 75 80
Arg Ala Lys Arg Gly Ile Pro Glu Ser Ile His Tyr Thr Arg Asn Ser
85 90 95
Thr Lys Lys Phe Tyr Gly Leu Met Gly Lys Lys Arg Lys Arg Arg Phe
100 105 110
Leu Gly Phe Leu Leu Gly Ile Gly Ser Ala Ile Ala Ser Gly Val Ala
115 120 125
Val Ser Lys Val Cys His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn
130 135 140
Ala Leu Leu Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val
145 150 155 160
Ser Val Leu Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys
165 170 175
Lys Leu Leu Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile
180 185 190
Glu Thr Val Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile
195 200 205
Ala Arg Glu Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr
210 215 220
Tyr Met Leu Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro
225 230 235 240
Ile Thr Asn Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val
245 250 255
Arg Gln Gln Ser Tyr Ser Ile Met Cys Val Val Lys Glu Glu Val Ile
260 265 270
Ala Tyr Val Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys
275 280 285
Trp Lys Val His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly
290 295 300
Ser Asn Ile Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn
305 310 315 320
Ala Gly Ser Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln
325 330 335
Ser Asn Arg Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr
340 345 350
Asp Val Asn Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys
355 360 365
Lys Ile Met Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser
370 375 380
Ile Gly Ala Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser
385 390 395 400
Asn Lys Asn Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr
405 410 415
Val Ser Asn Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr
420 425 430
Tyr Val Asn Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro
435 440 445
Ile Ile Asn Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp
450 455 460
Ala Ser Ile Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe
465 470 475 480
Ile Arg Arg Ser Asp Glu Leu Leu His
485
<210> 6
<211> 454
<212> PRT
<213>Artificial sequence
<400> 6
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Asn Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Cys Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Leu His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Cys Met Ser Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Ser Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450
<210> 7
<211> 454
<212> PRT
<213>Artificial sequence
<400> 7
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Asn Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Ile Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Cys His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Ile Met Cys Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Ser Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450
<210> 8
<211> 454
<212> PRT
<213>Artificial sequence
<400> 8
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Cys Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Cys Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Leu His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Cys Met Ser Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Cys Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450
<210> 9
<211> 454
<212> PRT
<213>Artificial sequence
<400> 9
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Cys Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Ile Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Cys His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Ile Met Cys Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Cys Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450
<210> 10
<211> 454
<212> PRT
<213>Artificial sequence
<400> 10
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Cys Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Cys Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Leu His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Cys Met Ser Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Cys Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450
<210> 11
<211> 454
<212> PRT
<213>Artificial sequence
<400> 11
Gln Asn Ile Thr Glu Glu Phe Tyr Gln Ser Thr Cys Ser Ala Val Ser
1 5 10 15
Arg Gly Tyr Leu Ser Ala Leu Arg Thr Gly Trp Tyr Thr Ser Val Val
20 25 30
Thr Ile Glu Leu Ser Lys Ile Gln Lys Asn Val Cys Asn Gly Thr Asp
35 40 45
Ser Lys Val Lys Leu Ile Lys Gln Glu Leu Glu Arg Tyr Asn Asn Ala
50 55 60
Val Val Glu Leu Gln Ser Leu Met Gln Cys Glu Pro Thr Ser Gly Ser
65 70 75 80
Gly Ser Gly Ile Gly Ser Ala Ile Ala Ser Gly Val Ala Val Ser Lys
85 90 95
Val Cys His Leu Glu Gly Glu Val Asn Lys Ile Lys Asn Ala Leu Leu
100 105 110
Ser Thr Asn Lys Ala Val Val Ser Leu Ser Asn Gly Val Ser Val Leu
115 120 125
Thr Ser Lys Val Leu Asp Leu Lys Asn Tyr Ile Asp Lys Lys Leu Leu
130 135 140
Pro Lys Val Asn Asn His Asp Cys Arg Ile Ser Asn Ile Glu Thr Val
145 150 155 160
Ile Glu Phe Gln Gln Lys Asn Asn Arg Leu Leu Glu Ile Ala Arg Glu
165 170 175
Phe Ser Val Asn Ala Gly Ile Thr Thr Pro Leu Ser Thr Tyr Met Leu
180 185 190
Thr Asn Ser Glu Leu Leu Ser Phe Ile Asn Asp Met Pro Ile Thr Asn
195 200 205
Asp Gln Lys Lys Leu Met Ser Ser Asn Val Gln Ile Val Arg Gln Gln
210 215 220
Ser Tyr Ser Ile Met Cys Val Val Lys Glu Glu Val Ile Ala Tyr Val
225 230 235 240
Val Gln Leu Pro Ile Tyr Gly Val Ile Asp Thr Pro Cys Trp Lys Val
245 250 255
His Thr Ser Pro Leu Cys Thr Thr Asp Asn Lys Glu Gly Ser Asn Ile
260 265 270
Cys Leu Thr Arg Thr Asp Arg Gly Trp Tyr Cys Asp Asn Ala Gly Ser
275 280 285
Val Ser Phe Phe Pro Gln Ala Glu Thr Cys Lys Val Gln Cys Asn Arg
290 295 300
Val Phe Cys Asp Thr Met Asn Ser Leu Thr Leu Pro Thr Asp Val Asn
305 310 315 320
Leu Cys Asn Thr Asp Ile Phe Asn Thr Lys Tyr Asp Cys Lys Ile Met
325 330 335
Thr Ser Lys Thr Asp Ile Ser Ser Ser Val Ile Thr Ser Ile Gly Ala
340 345 350
Ile Val Ser Cys Tyr Gly Lys Thr Lys Cys Thr Ala Ser Asn Lys Asn
355 360 365
Arg Gly Ile Ile Lys Thr Phe Ser Asn Gly Cys Asp Tyr Val Ser Asn
370 375 380
Lys Gly Val Asp Thr Val Ser Val Gly Asn Thr Leu Tyr Tyr Val Asn
385 390 395 400
Lys Leu Glu Gly Lys Ala Leu Tyr Ile Lys Gly Glu Pro Ile Ile Asn
405 410 415
Tyr Tyr Asn Pro Leu Val Phe Gly Thr Tyr Glu Phe Asp Ala Ser Ile
420 425 430
Ala Gln Val Asn Ala Lys Ile Asn Gln Ser Leu Ala Phe Ile Arg Arg
435 440 445
Ser Asp Glu Leu Leu His
450

Claims (8)

1. a kind of bovine respiratory born of the same parents zoarium viral antigen proteins, coding bovine respiratory born of the same parents fit virus key protein F- albumen is wild The aminoacid sequence planted is abbreviation SEQ ACL80037.1, and particular sequence is MRMIISIILISTYVPHITLCQNITEEFYQSTCSAVSRGYLSALRTGWYTSVVTIELSKIQKNVCNGTDSKVKLIKQE LERYNNAVVELQSLMQNEPTSSSRAKRGIPESIHYTRNSTKKFYGLMGKKRKRRFLGFLLGIGSAIASGVAVSKVLH LEGEVNKIKNALLSTNKAVVSLSNGVSVLTSKVLDLKNYIDKKLLPKVNNHDCRISNIETVIEFQQKNNRLLEIARE FSVNAGITTPLSTYMLTNSELLSLINDMPITNDQKKLMSSNVQIVRQQSYSIMSVVKEEVIAYVVQLPIYGVIDTPC WKVHTSPLCTTDNKEGSNICLTRTDRGWYCDNAGSVSFFPQAETCKVQSNRVFCDTMNSLTLPTDVNLCNTDIFNTK YDCKIMTSKTDISSSVITSIGAIVSCYGKTKCTASNKNRGIIKTFSNGCDYVSNKGVDTVSVGNTLYYVNKLEGKAL YIKGEPIINYYNPLVFGTYEFDASIAQVNAK it is characterised in that:The ammonia of described bovine respiratory born of the same parents zoarium viral antigen proteins Base acid sequence is compared at least two sites of SEQ ACL80037.1 and is substituted by cysteine, and substitute after cysteine it Between by disulfide bond.
2. a kind of bovine respiratory born of the same parents zoarium viral antigen proteins according to claim 1 it is characterised in that:Described site is The 148th L-Valine of aminoacid sequence and 288 isoleucine.
3. a kind of bovine respiratory born of the same parents zoarium viral antigen proteins according to claim 1 it is characterised in that:Described site is The 158th leucine of aminoacid sequence and 290 serines.
4. a kind of bovine respiratory born of the same parents zoarium viral antigen proteins according to claim 1 it is characterised in that:Described cattle exhales The aminoacid sequence inhaling road born of the same parents zoarium viral antigen proteins compares SEQ ACL80037.1, and the leucine in the 260th site is by partly Cystine substitutes, and realizes hole filling in this site.
5. according to claim 1 ~ 3 any one bovine respiratory born of the same parents zoarium viral antigen proteins it is characterised in that:Described Aminoacid sequence for bovine respiratory born of the same parents zoarium viral antigen proteins rejects 103 sites in SEQ ACL80037.1 sequence To the aminoacid sequence in 138 sites, 102 sites and 139 sites are connected using sgsgs.
6. according to claim 1 ~ 3 any one bovine respiratory born of the same parents zoarium viral antigen proteins it is characterised in that:Described For 103 sites in the aminoacid sequence rejecting SEQ ACL80037.1 sequence of bovine respiratory born of the same parents zoarium viral antigen proteins extremely The aminoacid sequence in 142 sites, connects 102 sites and 143 sites using sgsgs.
7. according to claim 1 ~ 3 any one bovine respiratory born of the same parents zoarium viral antigen proteins it is characterised in that:Described The aminoacid sequence of coding bovine respiratory born of the same parents zoarium viral antigen proteins compares SEQ ACL80037.1 sequence, the 99th site sky Winter propylhomoserin is substituted by cysteine, and the 362nd site serine is substituted by cysteine, and connects between the cysteine after replacement Connect interior disulfide bond.
8. a kind of bovine respiratory born of the same parents zoarium viral antigen proteins preparation method it is characterised in that:Concrete technology is as follows:
(1)According to the principle of structure biology, carry out protein crystal, observed with X-ray after crystallization, determine and infect virus key Cause of disease F- albumen infect before and after structure change;
(2)According to step(1)Structure change designs sequence and the structure of antigen protein;
(3)Determine and need the qualification of antigen protein through multiple antigen tests and stability characteristic detection;
(4)Antigen protein sequence through checking is carried out corresponding albumen synthesis, expression, purification and detects, obtain for making For animal experiment and clinical trial for bovine respiratory born of the same parents zoarium viral antigen proteins.
CN201611065112.0A 2016-11-28 2016-11-28 Antigen protein for bovine respiratory tract syncytial virus Pending CN106432436A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1264425A (en) * 1997-07-17 2000-08-23 皮埃尔法博赫药品公司 Syncytial respiratory virus epitopes and antibodies comprising them, useful in diagnosis and therapy
CN103842374A (en) * 2011-05-13 2014-06-04 诺华股份有限公司 Pre-fusion rsv f antigens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1264425A (en) * 1997-07-17 2000-08-23 皮埃尔法博赫药品公司 Syncytial respiratory virus epitopes and antibodies comprising them, useful in diagnosis and therapy
CN103842374A (en) * 2011-05-13 2014-06-04 诺华股份有限公司 Pre-fusion rsv f antigens

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* Cited by examiner, † Cited by third party
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SILVA,L.H.A.等: "fusion protein, partial [Bovine orthopneumovirus]", 《GENBANK DATABSE》 *

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Application publication date: 20170222