JP5847081B2 - エンドリシンOBPgpLYS - Google Patents
エンドリシンOBPgpLYS Download PDFInfo
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- JP5847081B2 JP5847081B2 JP2012526040A JP2012526040A JP5847081B2 JP 5847081 B2 JP5847081 B2 JP 5847081B2 JP 2012526040 A JP2012526040 A JP 2012526040A JP 2012526040 A JP2012526040 A JP 2012526040A JP 5847081 B2 JP5847081 B2 JP 5847081B2
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- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
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Images
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- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2462—Lysozyme (3.2.1.17)
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
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- A—HUMAN NECESSITIES
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- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
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- C07K14/195—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria
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- C07—ORGANIC CHEMISTRY
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- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
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- C07K14/21—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria from Pseudomonadaceae (F)
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- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/43504—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates
- C07K14/43513—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates from arachnidae
- C07K14/43518—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates from arachnidae from spiders
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- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
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- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
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Description
[本発明1001]
SEQ ID NO: 1記載のアミノ酸配列を含むポリペプチド、またはその断片もしくは誘導体。
[本発明1002]
断片が、SEQ ID NO: 4、5、もしくは69、または4および5記載のアミノ酸配列を含む、本発明1001のポリペプチド。
[本発明1003]
誘導体が、SEQ ID NO: 1、4、5、および/または69記載のアミノ酸配列において、欠失、付加、挿入、および/または置換を有する、本発明1001または1002のポリペプチド。
[本発明1004]
誘導体が、SEQ ID NO: 86または87記載のアミノ酸配列を含む、本発明1003のポリペプチド。
[本発明1005]
タグ、好ましくはHis 6 -タグを追加的に含む、前記本発明のいずれかのポリペプチド。
[本発明1006]
SEQ ID NO: 47または88記載のアミノ酸配列を含む、本発明1005のポリペプチド。
[本発明1007]
前記本発明のいずれかのポリペプチド、およびN末端またはC末端で該ポリペプチドに融合されたペプチドストレッチを含む融合タンパク質であって、該ペプチドストレッチが、カチオン性ペプチド、ポリカチオン性ペプチド、両親媒性ペプチド、スシ(sushi)ペプチド、デフェンシン、疎水性ペプチド、および/または抗微生物ペプチドである、融合タンパク質。
[本発明1008]
ペプチドストレッチが、約5〜約100個のアミノ酸残基、とりわけ約5〜50個のアミノ酸残基、とりわけ約5〜30個のアミノ酸残基を含む、本発明1007の融合タンパク質。
[本発明1009]
カチオン性および/またはポリカチオン性ペプチドストレッチが、アルギニン、ヒスチジン、およびリジン残基からなる群より選択される少なくとも1個のアミノ酸残基を含み、とりわけ、該ペプチドストレッチに含まれるアミノ酸残基の少なくとも70%が、アルギニン、ヒスチジン、および/またはリジン残基、とりわけアルギニンおよび/またはリジン残基である、本発明1007または1008の融合タンパク質。
[本発明1010]
両親媒性ペプチドが、バリン、イソロイシン、ロイシン、メチオニン、フェニルアラニン、トリプトファン、システイン、アラニン、チロシン、ヒスチジン、スレオニン、セリン、プロリン、およびグリシン残基からなる群より選択される少なくとも1個の疎水性アミノ酸残基と組み合わせて、リジン、アルギニン、およびヒスチジン残基からなる群より選択される少なくとも1個の正に荷電したアミノ酸残基を含み、とりわけ、該両親媒性ペプチドにおける該アミノ酸残基の少なくとも約70%が、アルギニンまたはリジン残基のいずれかであり、かつ、該両親媒性ペプチドにおける該アミノ酸残基の少なくとも約30%が、バリン、イソロイシン、ロイシン、メチオニン、フェニルアラニン、トリプトファン、システイン、アラニン、チロシン、ヒスチジン、スレオニン、セリン、プロリン、またはグリシン残基である、本発明1007の融合タンパク質。
[本発明1011]
ペプチドストレッチが、SEQ ID NO: 6〜39、50〜53、68、70〜73、または117〜119のアミノ酸配列を含む、本発明1007の融合タンパク質。
[本発明1012]
SEQ ID NO: 43、49、54〜67、74〜85、または115〜116のアミノ酸配列を含む、本発明1007の融合タンパク質。
[本発明1013]
本発明1001〜1006のいずれかのポリペプチド、または本発明1007〜1012のいずれかの融合タンパク質をコードする、単離された核酸分子。
[本発明1014]
本発明1013の核酸分子を含む、ベクター。
[本発明1015]
本発明1013の核酸分子、または本発明1014のベクターを含む、宿主細胞。
[本発明1016]
ヒトの医療用、獣医学的医療用、もしくは診断用物質としての使用のための、食品もしくは化粧品における抗微生物薬としての使用のための、殺菌剤としての使用のための、または環境分野における使用のための、本発明1001〜1006のいずれかのポリペプチド、または本発明1007〜1012のいずれかの融合タンパク質。
[本発明1017]
グラム陰性細菌感染症の処置または予防用の医用薬剤としての使用のための、本発明1001〜1006のいずれかのポリペプチド、または本発明1007〜1012のいずれかの融合タンパク質。
[本発明1018]
食材の、食品加工器具の、食品加工設備の、食材と接触する表面の、医療装置の、病院および手術室における表面の、グラム陰性細菌汚染の処置または予防のための、本発明1001〜1006のいずれかのポリペプチド、または本発明1007〜1012のいずれかの融合タンパク質の使用。
[本発明1019]
本発明1001〜1006のいずれかのポリペプチド、または本発明1007〜1012のいずれかの融合タンパク質を含む、薬学的組成物。
(a)本発明によるポリペプチド、断片、および/または誘導体、ならびに
(b)N末端またはC末端で該ペプチド、断片、および/または誘導体に融合されたペプチドストレッチ、ならびに任意で
(c)N末端またはC末端の、His6-タグ、Strep-タグ、Avi-タグ、Myc-タグ、Gst-タグ、JS-タグ、システイン-タグ、FLAG-タグ、または当技術分野において公知である他のタグなどのタグ
から構成される。
SEQ ID NO: 1記載のアミノ酸配列を有するOBPgpLYSは、推定上のN末端のペプチドグリカン結合ドメインおよびC末端の触媒キチナーゼドメインを有する、シュードモナス・プチダのファージOBPに由来する332アミノ酸残基のモジュラーエンドリシンである。SEQ ID NO: 47記載のアミノ酸配列を有するOPBgpLYSは、SEQ ID NO: 1記載のアミノ酸配列を有するOBPgpLYSと比較して、追加的なアミノ酸残基であるリジンおよびグリシン(Lys-Gly)によってC末端に連結された追加的なC末端のHis6-タグを含む。
を使用する標準的なPCR反応における、OBPgpLYSのオープンリーディングフレーム(ORF)の増幅のための鋳型として、ファージOBPの精製されたゲノムDNAを使用した。
および標準的な3'プライマー
を使用した。OBPgpLYSをコードするORFの5'端を、ポリカチオン性の9merのペプチド
をコードする遺伝子断片で伸長させるため、伸長させた5'プライマー
およびSEQ ID NO: 45記載の標準的な3'プライマーを用いたテールPCR(上記の標準的なPCRと同一のパラメータでの)を適用した。改変されていない元のOBPgpLYSのPCR断片および伸長させた断片の両方を、製造業者のTAクローニングのプロトコールに従うことによって、pEXP5CT/TOPO(登録商標)発現ベクター(Invitrogen, Carlsbad, CA, USA)にライゲーションした。
1.0.5 ml/分の流速での、10カラム容量の洗浄緩衝液(60 mMイミダゾール、0.5 mM NaCl、および20 mM NaH2PO4-NaOH、pH7.4)を用いたHistrap HP 1 mlカラム(GE Healthcare)の平衡化。
2.0.5 ml/分の流速での、Histrap HP 1 mlカラムへの全溶解物(求められるエンドリシンを含む)のローディング。
3.1 ml/分の流速での、15カラム容量の洗浄緩衝液を用いたカラムの洗浄。
4.0.5 ml/分の流速での、10カラム容量の溶出緩衝液(500 mMイミダゾール、0.5 M NaCl、および20 mM NaH2PO4-NaOH、pH7.4)を用いた、結合したエンドリシンのカラムからの溶出。
* Pirnay JP, De Vos D, Cochez C, Bilocq F, Pirson J, Struelens M, Duinslaeger L, Cornelis P, Zizi M, Vanderkelen A. (2003). Molecular epidemiology of Pseudomonas aeruginosa colonization in a burn unit: persistence of a multidrug-resistant clone and a silver sulfadiazine-resistant clone. J Clin Microbiol., 41(3):1192-1202.
** State Research Institute for Genetics and Selection of Industrial Microorganisms, Moscow 113545, 1st Dorozhnii projezd,1,Russia
*** Afd. Experiment. Laboratoriumgeneesk., UZ Herestraat 49 - bus 7003, 3000 Leuven, Belgium
**** STANSSENS, P., OPSOMER, C. , MCKEOWNY, M. , KRAMER, W., ZABEAU, M. and FRITZ, H.-J. (1989). Efficient oligonucleotide-directed construction of mutations in expression vectors by the gapped duplex D N A method using alternating selectable markers. NucleiC Acids Research 17, 4441-4454.
***** Centr. Levensmidd.- & Microb. Technol., Kasteelpark Arenberg 23 - bus 2457, 3001 Heverlee, Belgium
改変されていないエンドリシンおよび改変されたエンドリシンの抗細菌活性に対するEDTAの影響を測定するために、改変されていないOBPgpLYSエンドリシン(SEQ ID NO: 47)、およびPKOBPgpLYSエンドリシン(SEQ ID NO: 49)の抗細菌活性を、様々な濃度のEDTAおよびエンドリシンを使用して、シュードモナス・エルギノーサPAO1p細胞(Pirnay JP et al. J Clin Microbiol., 41(3):1192-1202 (2003))について試験した。指数関数的に増殖中の細菌細胞(OD600nmが0.6)を100倍希釈して約106細胞/mlの最終密度とし、改変されていないエンドリシンOBPgpLYS(SEQ ID NO: 47)および改変されたエンドリシンPKOBPgpLYS(SEQ ID NO: 49)と共に、30分間室温で振盪せずにインキュベーションした。インキュベーションのために、0.013μM、0.131μM、および1.315μMのエンドリシンの最終濃度で、各々緩衝液(20 mM NaH2PO4-NaOH pH7.4;0.5 M NaCl;0.5 Mイミダゾール)においてエンドリシンを使用した。これに関して、以下の様々なEDTA濃度:0 mM、0.05 mM、0.5 mM、および10 mMを使用した。対照として、1つの試料をまた、エンドリシンを含まず、その代わりに緩衝液(20 mM NaH2PO4-NaOH pH7.4;0.5 M NaCl;0.5 Mイミダゾール)を添加して、30分間インキュベーションした。インキュベーション後、細胞懸濁液を3回希釈し(それぞれ105-104-103細胞/ml)、100μlの各希釈液をLB培地上にプレーティングした。37℃で一晩インキュベーション後、残留コロニーを計数した。計数した細胞数に基づいて、対数単位(=log10N0/Ni、N0=処置されていない細胞の数、およびNi=処置された細胞の数、両方ともインキュベーション後に計数した)で、相対不活性化として抗細菌活性を計算した(表4)。すべての試料を3重に反復実験した。平均値+/−標準偏差を表す。観察される最大の減少(5.69log単位)は、10細胞/mlの検出レベルおよび最初の細胞密度に依存する。「Δ」は、それぞれのOBPgpLYSとPKOBPgpLYS試料との間の活性の差を示す。
SEQ ID NO:86記載のOBPgpLYS誘導体は、N末端のペプチドグリカン結合ドメインおよびC末端の触媒ドメインを有し、シュードモナス・プチダのファージOBPに由来するモジュラーエンドリシンである。OBPgpLYS誘導体は、SEQ ID NO: 101記載の核酸分子によってコードされる。核酸分子の5'端にBamH I(5'-GGA TCC-3')制限部位を、および核酸分子の3'端にXho I(5'-CTC GAG-3')制限部位を伴うSEQ ID NO: 101記載の核酸分子を産生するために、精製されたプラスミドDNA(実施例1参照)を使用した。
1.3〜5 ml/分の流速での、10カラム容量までの洗浄緩衝液(20 mMイミダゾール、1 M NaCl、および20 mM Hepes、pH7.4)を用いた、Histrap FF 5 mlカラム(GE Healthcare)の平衡化。
2.3〜5 ml/分の流速での、Histrap FF 5 mlカラムへの全溶解物(求められる融合タンパク質を含む)のローディング。
3.3〜5 ml/分の流速での、結合していない試料を除去するための10カラム容量までの洗浄緩衝液を用いたカラムの洗浄、続いて10%溶出緩衝液(500 mMイミダゾール、0.5 M NaCl、および20 mM Hepes、pH7.4)を用いた第2の洗浄段階。
4.3〜5 ml/分の流速での、4カラム容量の溶出緩衝液(500 mMイミダゾール、0.5 M NaCl、および20 mM Hepes、pH7.4)の100%への直線勾配を用いた、結合した融合タンパク質のカラムからの溶出。
アシネトバクター・バウマニDSMZ 30007およびシュードモナス・エルギノーサPAO1p細胞(熱傷創傷単離株、Queen Astrid Hospital, Brussels; Pirnay JP et al. (2003), http://www.ncbi.nlm.nih.gov/pubmed/12624051?ordinalpos=3&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_DefaultReportPanel.Pubmed_RVDocSumJ Clin Microbiol., 41(3):1192-1202)を試験株として使用した。一晩培養液を新鮮なLB培地で10倍希釈し、OD600=0.6まで増殖させた。培養液を遠心沈澱させ、希釈緩衝液(10 mM HEPES、0.5 mM EDTA;pH 7.4)で10倍希釈した。緩衝液(20 mM NaH2PO4-NaOH pH7.4;0.5 M NaCl;0.5 Mイミダゾール)において100μg/mlの最終濃度の、各々10μgの透析していない融合タンパク質と共に、細菌を室温でインキュベーションした。1時間後、細胞希釈系列をPBSにおいて作製し、LB上にプレーティングした。加えて、緩衝液(20 mM NaH2PO4-NaOH pH7.4;0.5 M NaCl;0.5 Mイミダゾール)を使用して、陰性対照をプレーティングした。37℃で一晩インキュベーション後、残留コロニーを計数した。計数した細胞数に基づいて、対数単位(=log10N0/Ni、N0=処置されていない細胞の数、およびNi=処置された細胞の数)として抗細菌活性を計算した(表5)。すべての試料を少なくとも4重に反復実験した。
略語:+:1log;++:2〜3log;+++:4またはそれ以上のlog;未測定とは、この株をそれぞれの融合タンパク質で試験しなかったことを意味する。
抗グラム陰性活性を調査するために、P.プチダのファージOBPのモジュラーエンドリシンであるOBPgpLYS誘導体を、一連の天然の抗細菌ペプチドタグ(表7)にN末端で融合させた。
*Matthews, B.W. and Remington, S.J. (1974). The three dimensional structure of the lysozyme from bacteriophage T4. Proc. Natl. Acad. Sci. USA, 71: 4178-4182
**In Yup Park, Chan Bae Park, Mi Sun Kim, Sun Chang Kim (1998). Parasin I, an antimicrobial peptide derived from histone H2A in the catfish, Parasilurus asotus. FEBS Letters 437 258-262
***Yan, L and Adams, M.A. (1998). Lycotoxins, Antimicrobial Peptides from Venom of the Wolf Spider, Lycosa carolinensis J. Biol. Chem,273:2059-2066.
ペンタペプチドタグ以外、すべての抗細菌ペプチドタグを、例えばBerrow et al. 2007において記載されているように、Ligation Independent Cloning(LIC)の適合するバージョンを使用して、OBPgpLYS誘導体をコードするORFに融合させた。ここで、前に、特別に設計した5'プライマー
および標準的なOBPgpLys誘導体リバースプライマー
を用いて、ファージOBPの純粋なゲノムDNAに対するテールPCRにより、WTエンドリシン遺伝子の前に唯一のEcl136II制限部位を挿入した。その後、製造業者のTAクローニングのプロトコールに従うことによって、この伸長させた断片をpEXP5CT/TOPO(登録商標)発現ベクター(Invitrogen, Carlsbad, CA, USA)にライゲーションした。純粋なプラスミドをEcl136II制限酵素消化において一度切断し、ハイブリダイズさせたペプチドカセット(プライマーペアのハイブリダイゼーションにより作製したもの、表8参照)を、必要なライゲーション段階無しで(LIC)切断したプラスミド中に挿入した。N末端のペンタペプチドタグ融合のために、このペンタペプチドをコードする伸長させた5'プライマー
および標準的なOBPgpLys誘導体リバースプライマー
を用いたテールPCRを、ファージOBPゲノムDNAに対して適用した。構築物を適当な大腸菌BL21(DE3)pLysS発現株中に導入する前に、発現ベクターにおける断片の正確な挿入を、塩基配列決定解析によって検証した。
標準的な発現を、Lysogeny Broth(LB)中で指数関数的に増殖中の細胞(OD600nm=0.6)を、1 mMイソプロピル-β-D-チオガラクトピラノシドで誘導して行う。改変されたエンドリシンの可溶性発現レベルを最適化するために、温度、時間、および発現株のような発現パラメータがタンパク質特異的な根拠によって変動した(表9参照)。
1.0.5 ml/分の流速での、10カラム容量の洗浄緩衝液(60 mMイミダゾール、0.5 mM NaCl、および20 mM NaH2PO4-NaOH、pH7.4)を用いたHistrap HP 1 mlカラム(GE Healthcare)の平衡化。
2.0.5 ml/分の流速での、Histrap HP 1 mlカラムへの全溶解物(求められるエンドリシンを含む)のローディング。
3.1 ml/分の流速での、15カラム容量の洗浄緩衝液を用いたカラムの洗浄。
4.0.5 ml/分の流速での、10カラム容量の溶出緩衝液(500 mMイミダゾール、0.5 M NaCl、および20 mM NaH2PO4-NaOH、pH7.4)を用いた、結合したエンドリシンのカラムからの溶出。
RP=大腸菌BL21(DE3)pLysS Codon min RP株、RIL=大腸菌BL21(DE3)pLysS Codon Plus RIL株
指数関数的に増殖中のグラム陰性細菌細胞(OD600nm=0.6)を約106細胞/mlの最終密度へ100倍希釈し、様々な改変されたOBPgpLYS誘導体変異体と共に、30分間室温で振盪せずにインキュベーションした。インキュベーション後、細胞懸濁液を3回希釈し(それぞれ105-104-103細胞/ml)、100μlの各希釈液をLB培地上にプレーティングした。37℃で一晩インキュベーション後、残留コロニーを計数した。計数した細胞数に基づいて、対数単位(=log10N0/Ni、N0=処置されていない細胞の数、およびNi=処置された細胞の数、両方ともインキュベーション後に計数した)で、相対不活性化として抗細菌活性を計算した(表10)。すべての試料を3重に反復実験した。平均値+/−標準偏差を示す。
Claims (19)
- SEQ ID NO: 1記載のアミノ酸配列を含むポリペプチド、またはその断片を含むポリペプチドであって、該断片がSEQ ID NO: 4および5記載のアミノ酸配列を含む、ポリペプチド。
- SEQ ID NO: 47記載のアミノ酸配列を含む、請求項1記載のポリペプチド。
- 請求項1または2記載のポリペプチド、およびN末端またはC末端で該ポリペプチドに融合されたペプチドストレッチを含む、融合タンパク質であって、該ペプチドストレッチが、カチオン性ペプチド、ポリカチオン性ペプチド、両親媒性ペプチド、スシ(sushi)ペプチド、デフェンシン、疎水性ペプチド、および/または抗微生物ペプチドである、融合タンパク質。
- ペプチドストレッチが、5〜100個のアミノ酸残基を含む、請求項3記載の融合タンパク質。
- ペプチドストレッチが、5〜50個のアミノ酸残基を含む、請求項4記載の融合タンパク質。
- ペプチドストレッチが、5〜30個のアミノ酸残基を含む、請求項5記載の融合タンパク質。
- カチオン性および/またはポリカチオン性ペプチドストレッチが、アルギニン、ヒスチジン、およびリジン残基からなる群より選択される少なくとも1個のアミノ酸残基を含む、請求項3〜6のいずれか一項記載の融合タンパク質。
- ペプチドストレッチに含まれるアミノ酸残基の少なくとも70%が、アルギニン、ヒスチジン、および/またはリジン残基である、請求項7記載の融合タンパク質。
- ペプチドストレッチに含まれるアミノ酸残基の少なくとも70%が、アルギニンおよび/またはリジン残基である、請求項8記載の融合タンパク質。
- 両親媒性ペプチドが、バリン、イソロイシン、ロイシン、メチオニン、フェニルアラニン、トリプトファン、システイン、アラニン、チロシン、ヒスチジン、スレオニン、セリン、プロリン、およびグリシン残基からなる群より選択される少なくとも1個の疎水性アミノ酸残基と組み合わせて、リジン、アルギニン、およびヒスチジン残基からなる群より選択される少なくとも1個の正に荷電したアミノ酸残基を含む、請求項3記載の融合タンパク質。
- 両親媒性ペプチドにおけるアミノ酸残基の少なくとも70%が、アルギニンまたはリジン残基のいずれかであり、かつ、両親媒性ペプチドにおけるアミノ酸残基の少なくとも30%が、バリン、イソロイシン、ロイシン、メチオニン、フェニルアラニン、トリプトファン、システイン、アラニン、チロシン、ヒスチジン、スレオニン、セリン、プロリン、またはグリシン残基である、請求項10記載の融合タンパク質。
- SEQ ID NO: 43記載のアミノ酸配列を含む、請求項3記載の融合タンパク質。
- 請求項1もしくは2記載のポリペプチド、または請求項3〜12のいずれか一項記載の融合タンパク質をコードする、単離された核酸分子。
- 請求項13記載の核酸分子を含む、ベクター。
- 請求項13記載の核酸分子、または請求項14記載のベクターを含む、宿主細胞。
- ヒトの医療用、獣医学的医療用、もしくは診断用物質としての使用のための、食品もしくは化粧品における抗微生物剤としての使用のための、殺菌剤としての使用のための、または環境分析分野における検出手段としての使用のための、請求項1もしくは2記載のポリペプチド、または請求項3〜12のいずれか一項記載の融合タンパク質。
- グラム陰性細菌感染症の処置または予防用の医用薬剤としての使用のための、請求項1もしくは2記載のポリペプチド、または請求項3〜12のいずれか一項記載の融合タンパク質。
- 食材の、食品加工器具の、食品加工設備の、食材と接触する表面の、医療装置の、病院および手術室における表面の、グラム陰性細菌汚染の処置または予防のための、請求項1もしくは2記載のポリペプチド、または請求項3〜12のいずれか一項記載の融合タンパク質の使用。
- 請求項1もしくは2記載のポリペプチド、または請求項3〜12のいずれか一項記載の融合タンパク質を含む、薬学的組成物。
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GB8816693D0 (en) | 1988-07-13 | 1988-08-17 | Agricultural & Food Res | Viral enzyme & gene |
GB2255561B (en) * | 1991-04-20 | 1995-06-21 | Agricultural & Food Res | Lysins from bacteriophages |
US7572602B1 (en) * | 2004-12-03 | 2009-08-11 | The United States Of America As Represented By The Secretary Of Agriculture | Nucleic acid encoding endolysin fusion protein |
GB0815484D0 (en) * | 2008-08-26 | 2008-10-01 | Univ Leuven Kath | Antibacterial agents |
US8383102B2 (en) * | 2009-05-21 | 2013-02-26 | The United States Of America As Represented By The Secretary Of Agriculture | Fusion of peptidoglycan hydrolase enzymes to a protein transduction domain allows eradication of both extracellular and intracellular gram positive pathogens |
WO2010149795A1 (en) | 2009-06-26 | 2010-12-29 | Lysando Holding Establishment | Antimicrobial agents |
EA037202B1 (ru) | 2009-06-26 | 2021-02-18 | Катхолике Университейт Лёвен, К.У. Лёвен Р Энд Д | Слитые белки для лечения инфекций, вызванных грамотрицательными бактериями |
US9534223B2 (en) * | 2010-04-27 | 2017-01-03 | Lysando Ag | Method of reducing biofilms |
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