WO2006011673A1 - 光切断型リンカーを利用したリガンド固定化固相担体 - Google Patents
光切断型リンカーを利用したリガンド固定化固相担体 Download PDFInfo
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- WO2006011673A1 WO2006011673A1 PCT/JP2005/014266 JP2005014266W WO2006011673A1 WO 2006011673 A1 WO2006011673 A1 WO 2006011673A1 JP 2005014266 W JP2005014266 W JP 2005014266W WO 2006011673 A1 WO2006011673 A1 WO 2006011673A1
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
- B01J20/289—Phases chemically bonded to a substrate, e.g. to silica or to polymers bonded via a spacer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3214—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
- B01J20/3217—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
- B01J20/3219—Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond involving a particular spacer or linking group, e.g. for attaching an active group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3251—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising at least two different types of heteroatoms selected from nitrogen, oxygen or sulphur
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3253—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen or sulfur, e.g. aromatic structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3255—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising a cyclic structure containing at least one of the heteroatoms nitrogen, oxygen or sulfur, e.g. heterocyclic or heteroaromatic structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54353—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals with ligand attached to the carrier via a chemical coupling agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/54—Sorbents specially adapted for analytical or investigative chromatography
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/207497—Molecular oxygen
Definitions
- the present invention relates to a ligand-immobilized solid phase carrier. More specifically, the present invention relates to a ligand-immobilized solid phase carrier obtained by immobilizing a ligand via a linker, its preparation, and use thereof.
- the present inventors are based on the basic technology related to the high affinity resin developed by the present inventors, and do not use a high concentration of ligand compound or salt.
- the study was conducted with the aim of establishing a new technology that would allow free protein elution from sucrose.
- we succeeded in developing a novel high-purity protein purification method that satisfies this objective by interposing a linker that is specifically cleaved by light between the ligand molecule and the resin solid phase carrier.
- a selective binding protein that binds to the ligand is displayed on the affinity resin. And there is a non-specific binding protein bound to a part other than the ligand.
- conventional elution methods such as high-concentration salts or detergents that denature and elute proteins
- selective binding proteins and non-selective proteins are eluted at the same time. It was difficult to elute and recover.
- the present inventors can elute and collect only a selective binding protein by interposing a linker specifically cleaved by light irradiation between a ligand molecule and a resin solid phase carrier. The method could be developed.
- the present invention is as follows.
- a solid-phase carrier for analyzing a specific interaction between a ligand and a target molecule in which a ligand is immobilized via a linker that is cleaved by light irradiation.
- X is a ligand and is cleaved by light irradiation; Y is a single bond or an alkylene group which may be substituted; A is a group used for binding to a solid support; Z Is a solid support; Q is NH, O or S; is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; R 2 is a hydrogen atom, substituted An alkyl group which may be substituted, an aryl group which may be substituted, an alkoxy group which may be substituted, a halogen atom or a cyano group; R 3 is a hydrogen atom, an alkyl group which may be substituted, An aryl group which may be substituted, an alkoxy group which may be substituted, a halogen atom or a cyan group; R 4 is a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted, or a substituent An
- R 2 is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted alkoxy group
- R 3 is a hydrogen atom, an optionally substituted alkyl group or a substituted
- R 4 is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted alkoxy group
- R 5 is a hydrogen atom, an optionally substituted alkyl group or The solid phase carrier according to the above [4], which is an alkoxy group which may be substituted.
- P i is a hydrogen atom, or a protective group for an amino group, a hydroxyl group or a sulfhydryl group
- Y is a single bond or an alkylene group which may be substituted
- A is a bond to a solid phase carrier
- P 2 is a hydrogen atom, or a protective group for an amino group, a hydroxyl group, a sulfhydryl group, a carbonyl group or a carboxyl group
- Q is NH, O or S, or a hydrogen atom, substituted R 2 is a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted alkoxy group, a halogen atom, or an optionally substituted aryl group
- It is atomic or Shiano group
- R 3 is a hydrogen atom, an optionally substituted aralkyl kill group, an optionally substituted Ariru group, an optionally substituted alkoxy group, It
- P i is a hydrogen atom, or a protective group for an amino group, a hydroxyl group or a sulfhydryl group
- Y is a single bond or an alkylene group which may be substituted
- A is a bond to a solid phase carrier
- P 2 is a hydrogen atom, or a protecting group for an amino group, a hydroxyl group, a sulfhydryl group, a carbonyl group or a carboxyl group
- Q is NH, O or S
- R i is a hydrogen atom, An optionally substituted alkyl group or an optionally substituted aryl group
- R 2 is a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, or an optionally substituted An alkoxy group, a halogen atom or a cyan group
- R 3 is a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substitute
- [1 1] (1) a step of immobilizing a ligand on a solid phase carrier via a linker cleaved by light irradiation, (2) a solid phase carrier on which the ligand obtained in (1) above is immobilized When, (3) a step of irradiating light to cleave the ligand from the solid support, and (4) whether the target molecule is bound to the ligand.
- a method for searching for a target molecule including a step of confirming force.
- the method according to [11] above, wherein the solid phase carrier on which the ligand is immobilized is represented by the following formula (I) or (II).
- X is a ligand and is cleaved by light irradiation; Y is a single bond or an alkylene group which may be substituted; A is a group used for binding to a solid support; Z Is a solid support; Q is NH, O or S; is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; R 2 is a hydrogen atom, substituted An alkyl group which may be substituted, an aryl group which may be substituted, an alkoxy group which may be substituted, a halogen atom or a cyano group; R 3 is a hydrogen atom, an alkyl group which may be substituted, An aryl group which may be substituted, an alkoxy group which may be substituted, a halogen atom or a cyan group; R 4 is a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted, or a substituent An
- R 2 force hydrogen atom, optionally substituted alkyl group or optionally substituted alkoxy group
- R 3 is hydrogen atom, optionally substituted alkyl group or optionally substituted A good alkoxy group
- R 4 is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted alkoxy group
- R is hydrogen
- [15] (1) a step of immobilizing a ligand on a solid phase carrier via a linker cleaved by light irradiation; (2) a solid phase carrier on which the ligand obtained in (1) above is immobilized; Mixing with a sample containing the target molecule of the ligand, (3) irradiating light to cleave the ligand from the solid support, and (4) recovering the target molecule bound to the ligand. Purification method of the target molecule.
- X is a ligand and is cleaved by light irradiation; Y is a single bond or an alkylene group which may be substituted; A is a group used for binding to a solid support; Z Is a solid support; Q is NH, O or S; is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; R 2 is a hydrogen atom, substituted Alkyl group, optionally substituted aryl group, substituted An optionally substituted alkoxy group, a halogen atom or a cyano group; R 3 is a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted alkoxy group, halogen R 4 is a hydrogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted alkoxy group, a halogen atom or a cyan group; R 5 Is
- R 2 is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted alkoxy group
- R 3 is a hydrogen atom, an optionally substituted alkyl group or a substituted
- R 4 is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted alkoxy group
- R 5 is a hydrogen atom, an optionally substituted alkyl group or a substituted The method according to [16] above, which is an optionally substituted alkoxy group.
- FIG. 1 shows the present invention characterized in that a ligand is immobilized on a solid phase carrier via a photocleavable linker, and the ligand is cleaved from the solid phase carrier by light irradiation, and a high concentration of ligand
- FIG. 5 is a schematic diagram comparing a conventional method for eluting a ligand from a solid phase carrier by adjusting a salt concentration.
- Figure 2 shows that FK 506 specific binding protein FKBP 12 can be obtained with high purity from rat brain lysate by immobilizing FK 506 on a solid support via a photocleavable linker. It is.
- the solid phase carrier of the present invention using a photocleavable linker and the target molecule search method and purification method using the solid phase carrier are compared with the conventional method (method of elution with a high concentration of ligand salt). This is schematically shown in Fig. 1.
- the “linker that is cleaved by light irradiation” is not particularly limited as long as it is a linker that is cleaved by light irradiation, and is a compound (or group) that binds a ligand and a solid phase carrier. Yes (hereinafter also referred to as photo-cutting linker).
- photo-cutting linker 0 -nitrobenzyl linker (JOC 1 995, 60, 2 3 1 8-2 3 1 9) and various derivatives having a nitrobenzyl group used in the synthetic synthesis are listed.
- a compound represented by the following formula () or (I) is also suitable as a linker cleaved by light irradiation.
- P i is a hydrogen atom, or a protective group for an amino group, a hydroxyl group or a sulfhydryl group
- Y is a single bond or an alkylene group which may be substituted
- A is a bond to a solid phase carrier
- P 2 is a hydrogen atom, or a protecting group for an amino group, a hydroxyl group, a sulfhydryl group, a carbonyl group or a carboxyl group
- Q is NH, O or S
- R i is a hydrogen atom, An optionally substituted alkyl group or an optionally substituted aryl group
- R 2 is a hydrogen atom, an optionally substituted alkyl
- R 3 is a hydrogen atom, an optionally substituted alkyl group, or an optionally substituted group
- the site cleaved by light irradiation in the photocleavable linker is a binding site between the linker and the ligand, and differs depending on the linker used and the mode of binding between the linker and the ligand.
- the bond between Q and X is cleaved by light irradiation.
- the light source and the amount of light irradiating the linker are appropriately determined and determined according to the type of linker so that the ligand is released, but when a 0-nitrobenzyl linker is used, the wavelength is 300 to 4 Near-ultraviolet light of 0 nm, preferably 3500 to 3700 nm, at 0 to 40 ° C, preferably 4 to 25 ° C for several seconds to 3 hours, preferably several seconds to 1 hour, particularly preferably Irradiate for 30 seconds to 1 hour.
- an appropriate additive can be used to avoid the reaction between the product produced by photocleavage and the linker again.
- the type and concentration of additives are appropriately set according to the type of linker used.
- 2-mercaptoethanol, hydrazine and imidazole When 2-mercaptoethanol, hydrazine or imidazole is used as an additive, it is used at a concentration of from 0.01 to: L00 O mM, preferably from 0.0 to!
- 2-mercaptoethanol, hydrazine or imidazole is used as an additive, it is used at a concentration of from 0.01 to: L00 O mM, preferably from 0.0 to!
- When using multiple types of additives set the total amount within the above range.
- the solid phase carrier of the present invention is characterized in that the ligand is immobilized on the solid phase carrier via the linker, but the immobilization method is not particularly limited.
- the conjugate obtained after binding the ligand and the linker may be immobilized on the solid phase carrier, or after the linker is first immobilized on the solid phase carrier, the linker and the ligand are bound. Also good.
- the linker is dissolved in an aqueous or organic solvent or a mixed solvent thereof, and the obtained linker solution and a solid phase carrier (for the solid phase carrier, an aqueous or organic solvent or a mixed solvent thereof in advance). It is preferable to be suspended in a solid phase), or an amide bond between a linker and a solid phase carrier, a bond by Schiff base formation, a C-C bond, an ester bond, a hydrogen bond,
- the linker is immobilized on a solid support by being attached to a covalent bond such as a hydrophobic interaction or a non-covalent bond.
- the aqueous or organic solvent in which the linker and the solid phase carrier are dissolved or suspended may be the same or different.
- an aqueous solvent such as water or a buffer solution, alcohol ( Organic solvents such as methanolol, ethanol and the like), dimethinorephonolamide, dichloromethane, and acetonitrile. These mixed solvents can also be suitably used.
- an aqueous solvent such as water or a buffer solution, alcohol ( Organic solvents such as methanolol, ethanol and the like), dimethinorephonolamide, dichloromethane, and acetonitrile.
- these mixed solvents can also be suitably used.
- the reaction used for immobilization of the linker to the solid phase carrier is set, and the linker is immobilized on the solid phase carrier by a known method as appropriate.
- the temperature for performing a series of reactions and treatments is not particularly limited as long as the temperature is suitable for the set immobilization reaction and the linker is stable, but is usually 0 ° C to 100 ° C, preferably room temperature to Performed at 70 ° C.
- the mixing time of the solid phase carrier and the linker is not particularly limited as long as the linker is immobilized on the solid phase carrier, and the set immobilization reaction or the linker intended for immobilization is used. It is set as appropriate according to the type of phase carrier. Usually from 1 hour to several days, preferably from 2 hours to overnight.
- the binding reaction is appropriately set according to the immobilization reaction to be used. In general, an excessive amount of linker is used with respect to the solid phase carrier.
- Reactions used for immobilization of linkers such as amide bonds, Schiff bases, C 1 C bonds, ester bonds, hydrogen bonds, and hydrophobic interactions to solid phase carriers are known in the art.
- Reagents, reaction conditions, and the like can be performed according to conventional methods, and may be appropriately changed as necessary.
- solid phase carriers in which a ligand is immobilized via a photocleavable linker are listed below together with their sources. None of the solid-phase carriers are known for use in analyzing the interaction between the ligand and the target, or for searching and purifying the target molecule. These solid phase carriers can be produced by appropriately combining known literatures or known techniques. A portion corresponding to the linker is shown in a box for convenience.
- a solid phase carrier represented by (I) or (I I) is also preferred.
- X is a ligand and is cleaved by light irradiation; Y is a single bond or an alkylene group which may be substituted; A is a group used for binding to a solid support; Z Is a solid support; Q is NH, O or S; is a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group; R 2 is a hydrogen atom, substituted An alkyl group which may be substituted, an aryl group which may be substituted, an alkoxy group which may be substituted, a halogen atom or a cyano group; R 3 is a hydrogen atom, an alkyl group which may be substituted, An aryl group, an optionally substituted alkoxy group, a halogen atom or a cyan group; R 4 is hydrogen An atom, an optionally substituted alkyl group, an optionally substituted aryl group, an optionally substituted alkoxy group, a halogen atom
- the solid phase carrier Z is intended to be a solid phase carrier in a state before the linker or ligand is bound.
- the compounds of formula () and formula (I) are synthesized, for example, by the method described in the literature (J. Org. Chem 1995, 60, 2318-231 9). Specifically, a group (Q) capable of binding a ligand, a nitro group, and a group (A) used for binding to a solid phase carrier are introduced into a benzene derivative to which an alkyl group is bonded.
- a group (Q) capable of binding a ligand, a nitro group, and a group (A) used for binding to a solid phase carrier are introduced into a benzene derivative to which an alkyl group is bonded.
- the order in which these substituents are introduced and the introduction reaction to be used are not particularly limited, and are appropriately set according to the structure of the linker to be synthesized.
- a generally known substituent introduction reaction for example, a reaction described in Ad f a n c e d O r g a n i c Ch e i s t r y (J e r y Mar c h, 1992, J o n Wi y e y & S o n s) is used.
- the compounds (1 ′) and (I) obtained by the above method can be used as a linker used for immobilizing a ligand on a solid support, preferably a linker cleaved by light irradiation.
- the solid phase carriers (I) and (II) of the present invention can be obtained by immobilizing the ligand to the solid phase carrier via the linker.
- “ligand” immobilized on a solid phase carrier via a photocleavable linker, for example, X in the solid phase carrier represented by formula (I) and formula (II) is not particularly limited.
- the compound may be a known compound or a new compound developed in the future. Moreover, it may be a low molecular compound or a high molecular compound.
- the low molecular weight compound is a compound having a molecular weight of less than about 1000, and examples thereof include organic compounds that can be normally used as pharmaceuticals and their derivatives and inorganic compounds. Derivatives, naturally derived compounds and their derivatives, small nucleic acid molecules such as promoters, various metals, etc. It refers to compounds and their derivatives, nucleic acid molecules.
- the polymer compound is a compound having a molecular weight of about 100 or more, and includes proteins, polynucleic acids, polysaccharides, and combinations thereof, and is preferably a protein. These low molecular compounds or high molecular compounds are commercially available as long as they are known, and can be obtained through steps such as collection, production, and purification according to each report literature. These may be naturally derived, prepared by genetic engineering, or obtained by semi-synthesis.
- the bond between the ligand and the linker is an amide bond, a Schiff base, a C—C bond, an ester bond, a hydrogen bond, a hydrophobic bond or a non-covalent bond. Formed by known materials and reactions.
- the ligand is bound by an amide, thioamide, or esterole bond with NH, S or O of the linker moiety.
- the solid phase carrier used in the present invention and the solid phase carrier Z in the formulas (I) and (II) are a ligand (immobilized on the solid phase carrier via a linker) and a target.
- a specific interaction with a molecule it is not particularly limited, and those commonly used in the art can be used.
- the material include resin (polystyrene, methacrylate resin, polyacrylamide, etc.), glass, metal (gold, silver, iron, silicon, etc.) and the like.
- These solid phases may have any shape, and the methods used for the above-mentioned types of materials and the subsequent analysis of the interaction with the target molecule, search for the target molecule, and purification.
- a plate shape, a bead shape, a thin film shape, a thread shape, a coil shape and the like can be mentioned. If the beads are made of resin, the subsequent operation is simplified by filling the column. It is also preferable to use a glass plate.
- the “group used for binding to the solid phase carrier” in A is a linking group necessary for binding the nitrobenzyl group linker moiety (photocleavable linker) to the solid phase carrier (Z).
- Examples include groups such as 0, S, NH, and carbonyl groups, and combinations of two or more of these groups via an alkylene group (for example, —O— (CH 2 ) 3 —CO— Etc.), or repeating structures such as polyethylene glycol (eg 1 o-
- examples of the halogen atom include fluorine, chlorine, bromine and iodine.
- the “optionally substituted alkyl group” means a linear or branched alkyl group having 1 to 3 carbon atoms which may have 1 to 2 or more substituents. .
- C1-C3 linear or branched alkyl group examples include methyl, ethyl, propyl, isopropyl and the like.
- a substituent a halogen atom
- the “optionally substituted aryl group” means an aryl group having 6 to 14 carbon atoms which may have 1 to 2 or more substituents.
- Specific examples of the “aryl group having 6 to 14 carbon atoms” include phenyl, 1-naphthyl, 2-naphthyl, 2 1-indul, 2-anthryl and the like.
- substituents examples include a nitro group, a halogen atom (as defined above), an alkyl group (a linear or branched alkyl group having 1 to 3 carbon atoms), an alkoxy group (as defined above), and the like.
- substituted aryl groups include 2-nitropheny ⁇ , 2-chlorophenenoyl, 2,4-dimethoxyphenol and the like.
- the “optionally substituted alkoxy group” refers to a linear, branched or cyclic alkoxy group having 1 to 6 carbon atoms which may have 1 to 2 or more substituents.
- C1-C6 linear, branched or cyclic alkoxy group Specifically, methoxy, ethoxy, n-propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy, hexyloxy, cyclopropyloxy, cyclobutyloxy and the like can be mentioned.
- substituents examples include a halogen atom (as defined above), a hydroxyl group, an alkoxy group (as defined above), a polyethylene glycol group, and the like.
- substituted alkoxy group examples include trifluoromethoxy and 2-hydroxymethyl. Toxic, 2-methoxetoxy, polyethylene darikoloxy and the like.
- the “optionally substituted alkylene group” means a linear or branched alkylene group having 1 to 3 carbon atoms.
- Specific examples of the “C1-C3 linear or branched alkylene group” include methylene, ethylene, propylene, isopropylene and the like.
- Examples of the substituent include a halogen atom (as defined above), a hydroxyl group, and an aralkoxy group (as defined above).
- Y is preferably a single bond
- A is preferably 1_ (CH 2 ) 3 —CO —
- Q is preferably NH, and is preferably an optionally substituted alkyl group (particularly preferably methyl
- R 2 to R 5 are preferably a hydrogen atom, an optionally substituted alkyl group (particularly preferably a methyl group) or an optionally substituted alkoxy group (particularly preferably a methoxy group). is there.
- protecting group for an amino group, hydroxyl group S or sulfhydryl group of Pi and “protecting group for an amino group, hydroxyl group, sulfhydryl group, carbonyl group or carboxyl group” of P 2 are usually used. Commonly used protections such as those described in “Protective Group Organic Synthesis, Greenand Wu ts, John Wiley & Sons, Inc. 1999” are available. A group is available. Specifically, “amino protecting group” includes 9-fluorenylmethyloxycarbonyl, tert-butyloxycarbonyl and the like, and “hydroxyl protecting group” includes trityl, tert-butyl, benzyl and the like.
- examples of the “protecting group for the sulfhydryl group” include benzinole, trityl, acetamidomethyl and the like. ⁇ Preserving carboxyl groups
- examples of the “protecting group” include an alkyl group (as defined above, preferably methyl, tert-butyl), an aralkyl group (having 7 to 10 carbon atoms, specifically, benzyl, methylbenzyl, phenethyl, etc., and preferably Is a benzyl group).
- a particularly preferred solid phase carrier is represented by the formula (I I), and for example, a solid phase carrier represented by the following formula is preferred.
- the solid phase carrier is represented by the following formula. It is prepared by immobilizing ligand (X) on a solid support (Z) via a single nitrobenzyl linker. Specific procedures will be described later in Examples.
- the target molecule is not particularly limited as long as it specifically interacts with the ligand, and it may be a known compound or a novel substance.
- T The target molecule may be a low molecular compound or a high molecular compound.
- the target molecule is a low molecular weight compound, it is based on a specific interaction between a low molecular weight compound and a low molecular weight compound with a low molecular weight compound or with a high molecular weight compound with a high molecular weight compound.
- Target molecules can be selected based on specific interactions with small molecule compounds.
- the polymer compound is based on a specific interaction between the polymer compound and the low-molecular compound with a ligand that is a low-molecular compound, or with a ligand that is a polymer compound.
- Target molecules can be selected on the basis of the specific interaction between and the polymer compound.
- a preferable combination of a ligand and a target molecule is a combination of a low molecular compound and a high molecular compound, or a combination of a high molecular compound and a high molecular compound.
- the interaction with the target molecule and the selection of the target molecule are conveniently performed on the solid phase.
- a candidate substance is predicted in advance as a target molecule
- the candidate substance is contacted with the ligand immobilized on the solid phase carrier alone to measure the interaction between them, and the candidate substance is the target molecule.
- a sample containing multiple substances polymer compound and / or low molecular compound
- multiple substances polymer compound and Z or low molecular compound
- the sample containing a plurality of substances may be composed entirely of known compounds, partially composed of novel compounds, or composed entirely of novel compounds. May be.
- the structure is all a mixture of compounds having known structures.
- Samples composed of all known compounds are protein mixtures prepared by genetic engineering using Escherichia coli, etc., and those containing some new compounds include extracts of cells and tissues. Examples of (lysates) that are all composed of novel compounds include mixtures of novel proteins and newly synthesized compounds whose functions and structures are not yet known. If the sample is a mixture, especially if it contains known compounds, Optionally, the content of these compounds in the sample can be set to a desired value.
- a low molecular compound and a high molecular compound are preferable, and a high molecular compound is preferable for searching for a target molecule in an animal body such as a human.
- the terms ligand and target molecule are intended for combinations having specific intermolecular interactions, and if one of the combinations is immobilized on a solid phase as a ligand, the other The target molecule can be changed, that is, depending on which one is immobilized on the solid phase.
- the terms ligand and target molecule are not intended to refer to a specific molecule, but to each of molecules having specific interactions.
- a “specific interaction” is an action that exerts the characteristic of specifically recognizing and binding only a specific ligand (specific target molecule), and specific reception for agonist or antagonist. body, the enzyme on the substrate and or e.g. FK506 FK 506 'binding protein to (ligand) (target molecule), steroid Dohonoremon receptors for steroid hormones (eg; dex ame thasone and Glucocorticoidrecepto r), for N anti mosquito s Hitoshi trapoxin
- the relationship such as HD AC corresponds to “specific interaction”.
- non-specific interaction refers to an action that causes a situation in which the target of binding is not limited to a specific molecule but varies depending on reaction conditions.
- Ligand on the solid phase means unspecific intermolecular action that binds and adsorbs to the surface of the solid support itself. “Non-specific interaction” is an obstacle to the binding between the ligand and the target molecule based on “specific interaction” or the risk of overlooking the binding due to “specific interaction” due to confusion There is.
- “analyzing a specific interaction” is to obtain the degree of specificity of interaction between a ligand and a target molecule as interaction information, for example, For example, it can be obtained as numerical values such as Kd (dissociation rate constant) and Ka (binding rate constant).
- the solid phase carrier of the present invention that can identify a target molecule by determining whether or not it has a specific interaction with a ligand can be used for target molecule search, Further, the target molecule can be purified using the solid phase carrier of the present invention by utilizing the specific interaction between the ligand and the target molecule.
- EDC 1 1 [3- (Dimethylamino) propyl] _ 3-Ethylcarbodiimide
- Fmoc 9-Fluorenylmethyloxycarbonylolbonyl
- Example 1 Synthesis of a resin in which FK 500 is immobilized via a photocleavable linker
- Photocleavable Linker (4— ⁇ 4-[1— (Fmo c-Amino) Ietyl] _ 2—Methoxy-1-5-nitrophenoxy ⁇ Butyric acid, F luka) (1 24 mg, 0.24 mm o 1)
- N TOYO Pearl resin T SKg el AF—amino, 600 ⁇ 1, freeamino group f available 0.06 mm o 1)
- EDC 44 mg, 0.28 mm o 1
- HOB t 3 9 mg , 0.28 mmo 1
- DMF (6 ml)
- FK506 prepared in Example 1 was converted into a photocleavable linker (4- ⁇ 4- [1— (Fmoc-amino) monoethyl] —2-methoxy-1-5-nitrophenoxy ⁇ butyric acid, F 1 uka) TOYOPEARL AF, immobilized via, was mixed with rat brain lysate prepared in (1) above, and the adhering substance was mixed with buffer B (25 mM Tris).
- Example 3 Synthesis of Resin with Cromoglycic Acid Immobilized via Photocleavable Linker Resin bound with photocleavable linker (500 ⁇ 1) prepared according to the method described in Example 1, and cromoglycol A mixture of acid (93 mg, 0.2 mmo 1), EDC (37 mg, 0.24 mmo 1), HOB t (32 mg, 0.24 mm o 1) and NM P (5 ml) was stirred at room temperature for 20 hours. The end point of the reaction was confirmed by the ninhydrin reaction that the remaining amino groups could not be observed with the naked eye. The reaction rate at this time was approximately 76%. After confirming the completion of the reaction, the resin was washed 5 times with NMP.
- E. co 1 i (0.5 2 g) expressing cromoglycate binding protein according to a standard method was mixed with mixture C (0.25 M sucrose, 25 mM Tris buffer (pH 7. 4), 1% Ch aps, 4 ml) to prepare a homogenate, and then centrifuged at 1000 rpm for 60 minutes. The supernatant thus obtained was used as a lysate. All experiments were performed at 4 ° C or on ice.
- the cromoglycic acid prepared in Example 3 was converted into a photocleavable linker (4- ⁇ 4- [1- (Fmo c-amino) monoethyl] _ 2-methoxy-1-5-nitrophenoxy ⁇ butyric acid, F 1 uka ) Is mixed with the resin (TOYOP EAR L AF) immobilized via E. coli lysate prepared in (1) above, and the adhering substance is mixed with buffer D (25 mM Tris buffer (pH 7.4)).
Abstract
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JP2017198637A (ja) * | 2016-04-28 | 2017-11-02 | 株式会社マンダム | 被験物質の皮膚感作性の検定方法 |
JP2017197509A (ja) * | 2016-04-28 | 2017-11-02 | 学校法人甲南学園 | 樹脂固定ペプチド |
JP2018054579A (ja) * | 2016-09-30 | 2018-04-05 | 学校法人甲南学園 | 被験物質の皮膚感作性の評価方法、及び樹脂固定ペプチド |
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US8906700B2 (en) | 2007-11-06 | 2014-12-09 | Ambergen, Inc. | Methods and compositions for phototransfer |
US10634668B2 (en) * | 2012-09-13 | 2020-04-28 | Takara Bio Usa, Inc. | Modifiable chemical inducers of proximity and methods of using the same |
CA2935587A1 (en) | 2014-02-11 | 2015-08-20 | The Governors Of The University Of Alberta | Genetically encoded photocleavable proteins |
GB2528643A (en) * | 2014-07-08 | 2016-02-03 | Adc Biotechnology Ltd | Method of synthesising ADCs |
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US5986076A (en) * | 1994-05-11 | 1999-11-16 | Trustees Of Boston University | Photocleavable agents and conjugates for the detection and isolation of biomolecules |
US6465628B1 (en) * | 1999-02-04 | 2002-10-15 | Isis Pharmaceuticals, Inc. | Process for the synthesis of oligomeric compounds |
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US6893822B2 (en) * | 2001-07-19 | 2005-05-17 | Nanogen Recognomics Gmbh | Enzymatic modification of a nucleic acid-synthetic binding unit conjugate |
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JP2010532864A (ja) * | 2007-07-06 | 2010-10-14 | ケンブリッジ エンタープライズ リミテッド | 生体分子結合リガンド |
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JP2017197509A (ja) * | 2016-04-28 | 2017-11-02 | 学校法人甲南学園 | 樹脂固定ペプチド |
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