SAXSdb — 4ogx

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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Plasma kallikrein

Homo sapiens

当前结构中的状态

Assembly	聚集状态	构建体	突变与修饰	配体、离子与共同组分	实验方法与环境	结构质量
1	蛋白异源复合物异源复合物蛋白 × 3 PDB 声明：trimeric（3）与蛋白拷贝数一致	链 A； UniProt 391–631	片段：UNP residues 391-631 突变：N396E, N453E, N494E, C503S	DX-2930 HEAVY CHAIN × 1 DX-2930 LIGHT CHAIN × 1 SO4 SULFATE ION × 6	X-RAY DIFFRACTION X-ray结晶条件：VAPOR DIFFUSION, SITTING DROP；pH 6.5；289 K；FAB DX-2930 AND HUMAN PLASMA KALLIKREIN VCID 7481 AT 150 UM OR 11.7 MG/ML AGAINST WIZ3-4 screen condition H7, 30% MPD, 10% PEG 3350, 0.1 M imidazole pH 6.5, 0.2 M ammonium sulfate, unique puck ID QJO1-12, crystal tracking ID 242118H7 , VAPOR DIFFUSION, SITTING DROP, temperature 289K	分辨率 2.40 Å R-free 0.236

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly， “相对当前条目”直接指出证据层面的不同；没有差异标签表示当前已读取字段一致。

其他 PDB	相对当前条目 4OGX	Assembly / 聚集状态	构建体	突变与修饰	配体、离子与非聚合物	实验方法与环境	结构质量
10KZ N-Alkyl & N-Aryl Aminopyrazole Spirocarbamates: A Two-Pronged Lead Optimization Strategy to Identify Orally Bioavailable Plasma Kallikrein Inhibitors 提交 2026-01-26	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）	未记录	A1C6O (3'R)-1'-(1-benzyl-1H-pyrazole-4-carbonyl)-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 7；295 K；0.1 M HEPES, pH 7.0, 10-12% PEG8000	分辨率 1.78 Å R-free 0.197
10LR N-Alkyl & N-Aryl Aminopyrazole Spirocarbamates: A Two-Pronged Lead Optimization Strategy to Identify Orally Bioavailable PlasmaKallikrein Inhibitors complex with Compound 4 ((3'R)-1'-(5-amino-1-benzyl-1H-pyrazole-4-carbonyl)-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one) 提交 2026-01-27	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）片段：catalytic domain (UNP residues 376-638)	突变：C382S, C503S	MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 A1C6Q (3'R)-1'-(5-amino-1-benzyl-1H-pyrazole-4-carbonyl)-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 7；295 K；0.1 M HEPES, pH 7.0, 10-12% PEG8000	分辨率 1.58 Å R-free 0.261
10MV N-Alkyl & N-Aryl Aminopyrazole Spirocarbamates: A Two-Pronged Lead Optimization Strategy to Identify Orally Bioavailable Plasma Kallikrein Inhibitors complex with Compound 15 ((3'R)-1'-(5-amino-1-phenyl-1H-pyrazole-4-carbonyl)-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one) 提交 2026-01-28	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）片段：catalytic domain (UNP residues 376-638)	突变：C383S, C503S	MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 A1C6X (3'R)-1'-(5-amino-1-phenyl-1H-pyrazole-4-carbonyl)-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES, pH 6.5, 24% PEG8000, 5% glycerol	分辨率 1.66 Å R-free 0.226
10MW N-Alkyl & N-Aryl Aminopyrazole Spirocarbamates: A Two-Pronged Lead Optimization Strategy to Identify Orally Bioavailable Plasma Kallikrein Inhibitors compound 25 ((3'R)-1'-{(1P)-5-amino-1-[2-(trifluoromethoxy)phenyl]-1H-pyrazole-4-carbonyl}-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one) 提交 2026-01-28	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）片段：catalytic domain (UNP residues 376-638)	未记录	MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 A1C6Z (3'R)-1'-{(1P)-5-amino-1-[2-(trifluoromethoxy)phenyl]-1H-pyrazole-4-carbonyl}-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES, pH 6.5, 24% PEG8000, 5% glycerol	分辨率 1.62 Å R-free 0.234
10QS N-Alkyl & N-Aryl Aminopyrazole Spirocarbamates: A Two-Pronged Lead Optimization Strategy to Identify Orally Bioavailable Plasma Kallikrein Inhibitors Compound 13 ((3'R)-1'-{5-amino-1-[(2S)-1,1,1-trifluorobutan-2-yl]-1H-pyrazole-4-carbonyl}-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one) 提交 2026-02-02	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）片段：catalytic domain (UNP residues 376-638)	突变：C383S. C503S	MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 A1C7M (3'R)-1'-{5-amino-1-[(2S)-1,1,1-trifluorobutan-2-yl]-1H-pyrazole-4-carbonyl}-6-chloro-5-fluorospiro[[3,1]benzoxazine-4,3'-piperidin]-2(1H)-one × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES, pH 6.5, 24% PEG8000, 5% glycerol	分辨率 1.73 Å R-free 0.259
2ANW Expression, crystallization and three-dimensional structure of the catalytic domain of human plasma kallikrein: Implications for structure-based design of protease inhibitors 提交 2005-08-11	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 391–631（241 aa）片段：protease domain, enzymatically deglycosylated	突变：C122S	BEN BENZAMIDINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6.5；290 K；0.5 microliter of the protein solution and 0.5 microliter of the reservoir solution (25% PEG 6000 , 0.10 M MES pH 6.5)., VAPOR DIFFUSION, HANGING DROP, temperature 290.0K	分辨率 1.85 Å R-free 0.283
2ANY Expression, Crystallization and the Three-dimensional Structure of the Catalytic Domain of Human Plasma Kallikrein: Implications for Structure-Based Design of Protease Inhibitors 提交 2005-08-11	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 391–631（241 aa）片段：protease domain, enzymatically deglycosylated	突变：C122S, N21E, N72E, N113E	PO4 PHOSPHATE ION × 3 BEN BENZAMIDINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；290 K；0.5 microliter of the protein solution and 0.5 microliter of the reservoir solution (25% PEG 6000, 0.10 M MES pH 6.5) , VAPOR DIFFUSION, SITTING DROP, temperature 290.0K	分辨率 1.40 Å R-free 0.213
4OGY Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.1 Angstrom resolution 提交 2014-01-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 3 PDB 声明：trimeric	链 A 391–631（241 aa）片段：UNP residues 391-631	突变：N396E, N453E, N494E, C503S	EDO 1,2-ETHANEDIOL × 3	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；289 K；FAB DX-2930 AND HUMAN PLASMA KALLIKREIN VCID 7481 AT 150 UM OR 11.7 MG/ML AGAINST INDEX screen condition D10, 20% PEG 5000 MME, 0.1 M BisTris pH 6.5 supplemented with 20% ethylene glycol as cryo-protectant, unique puck ID qjo1-15, crystal tracking ID 242121d10, VAPOR DIFFUSION, SITTING DROP, temperature 289K	分辨率 2.10 Å R-free 0.221
4OGY Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.1 Angstrom resolution 提交 2014-01-16	配体/离子不同实验环境不同结构质量不同	Assembly 2 蛋白异源复合物异源复合物；蛋白 × 3 PDB 声明：trimeric	链 B 391–631（241 aa）片段：UNP residues 391-631	突变：N396E, N453E, N494E, C503S	未记录非水小分子	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 6.5；289 K；FAB DX-2930 AND HUMAN PLASMA KALLIKREIN VCID 7481 AT 150 UM OR 11.7 MG/ML AGAINST INDEX screen condition D10, 20% PEG 5000 MME, 0.1 M BisTris pH 6.5 supplemented with 20% ethylene glycol as cryo-protectant, unique puck ID qjo1-15, crystal tracking ID 242121d10, VAPOR DIFFUSION, SITTING DROP, temperature 289K	分辨率 2.10 Å R-free 0.221
5F8T The crystal structure of human Plasma Kallikrein in complex with its peptide inhibitor pkalin-2 提交 2015-12-09	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 A 391–629（239 aa）片段：UNP RESIDUES 391-629	突变：C122S	SO4 SULFATE ION × 4 MRZ piperidine-1-carboximidamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；25% PEG 3350, 0.1M Hepes, pH 7.5, 20mM (NH4)2SO4	分辨率 1.75 Å R-free 0.245
5F8X The crystal structure of human plasma kallikrein in complex with its peptide inhibitor pkalin-3 提交 2015-12-09	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 A 391–629（239 aa）片段：UNP RESIDUES 391-629	突变：C122S	SO4 SULFATE ION × 8 MRZ piperidine-1-carboximidamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；23% PEG 3350, 0.1M TRIS-HCL, PH 8.5, 20MM (NH4)2SO4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K	分辨率 1.55 Å R-free 0.243
5F8Z The crystal structure of human Plasma Kallikrein in complex with its peptide inhibitor pkalin-1 提交 2015-12-09	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 A 391–629（239 aa）片段：UNP RESIDUES 391-629	突变：C122S	SO4 SULFATE ION × 5 MRZ piperidine-1-carboximidamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；pH 8.5；298 K；28% PEG 3350, 0.1M TRIS-HCL PH8.5, 20MM (NH4)2SO4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K	分辨率 1.50 Å R-free 0.217
5TJX Structure of human plasma kallikrein 提交 2016-10-05	构建体不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）片段：UNP residues 376-638	突变：N396E, N453E, N494E, C503S	GBT (8E)-3-amino-1-methyl-15-[(1H-pyrazol-1-yl)methyl]-7,10,11,12,24,25-hexahydro-6H,18H,23H-19,22-(metheno)pyrido[4,3-j][1,9,13,17,18]benzodioxatriazacyclohenicosin-23-one × 1 PO4 PHOSPHATE ION × 2	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M potassium di-hydrogen phosphate, 21 % PEG 3350	分辨率 1.41 Å R-free 0.184
6I44 Allosteric activation of human prekallikrein by apple domain disc rotation 提交 2018-11-09	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 其他组合单体；蛋白 × 1 PDB 声明：monomeric	链 A 20–638（619 aa）	未记录	BEN BENZAMIDINE × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 PE4 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 SO4 SULFATE ION × 1 CL CHLORIDE ION × 1 NA SODIUM ION × 1 PEG DI(HYDROXYETHYL)ETHER × 2 GOL GLYCEROL × 4 FMT FORMIC ACID × 8 ACT ACETATE ION × 6 GLY GLYCINE × 1 SER SERINE × 1	X-RAY DIFFRACTION X-ray结晶条件 EVAPORATION；pH 7.5；293 K；0.1M carboxylic acid, 0.1M Hepes/mops pH 7.5, 12.5%MPD, 12.5%PEG1000, 12.5%PEG3350	分辨率 1.36 Å R-free 0.196
6O1G Full length human plasma kallikrein with inhibitor 提交 2019-02-19	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–638（638 aa）	未记录	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 7SD N-[(6-amino-2,4-dimethylpyridin-3-yl)methyl]-1-({4-[(1H-pyrazol-1-yl)methyl]phenyl}methyl)-1H-pyrazole-4-carboxamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；296 K；0.1 M Hepes pH 7.5 0.1 M Sodium Citrate 25 % PEG 3350	分辨率 2.20 Å R-free 0.240
6O1S Structure of human plasma kallikrein protease domain with inhibitor 提交 2019-02-21	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 E 376–638（263 aa）	突变：N377E, N434E, N475E, C383E, and C484S	PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 1 7SD N-[(6-amino-2,4-dimethylpyridin-3-yl)methyl]-1-({4-[(1H-pyrazol-1-yl)methyl]phenyl}methyl)-1H-pyrazole-4-carboxamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；296 K；24% PEG 3350, 0.2M potassium dihydrogen phosphate	分辨率 1.70 Å R-free 0.201
6T7P human plasmakallikrein protease domain in complex with active site directed inhibitor 提交 2019-10-22	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 391–632（242 aa）	未记录	GSH Glutathione × 1 DMS DIMETHYL SULFOXIDE × 10 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 MU8 (2~{S},4~{R})-1-[[(3~{S})-3-azanyl-2,3-dihydro-1-benzofuran-6-yl]carbonyl]-~{N}-(3-chlorophenyl)-4-phenyl-pyrrolidine-2-carboxamide × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；293 K；20% PEG10000, 200 mM Sodium phosphate (monobasic), corresponds to Nextal condition #87 from PEG series	分辨率 1.42 Å R-free 0.188
7N7X Crystal structure of BCX7353(ORLADEYO) in complex with human plasma kallikrein serine protease domain at 2.1 angstrom resolution 提交 2021-06-11	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 AAA 391–626（236 aa）片段：Peptidase S1 domain	突变：N6E, N63E, N104E, C113S	0RI Orladeyo × 1 PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6.5；290 K；25% PEG 6000, 0.1MES buffer	分辨率 2.10 Å R-free 0.259
7QOX Factor XI and Plasma Kallikrein apple domain structures reveals different kininogen bound complexes 提交 2021-12-29	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 A 20–378（359 aa）	未记录	GOL GLYCEROL × 1 PEG DI(HYDROXYETHYL)ETHER × 3 PE4 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 PG4 TETRAETHYLENE GLYCOL × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件 EVAPORATION；288 K；Morpheus screen H9 condition: 0.1M amino acids, 0.1M buffer system 3 pH8.5, 30% precipitant mix 1.	分辨率 2.32 Å R-free 0.253
7QOX Factor XI and Plasma Kallikrein apple domain structures reveals different kininogen bound complexes 提交 2021-12-29	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 2 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 B 20–378（359 aa）	未记录	GOL GLYCEROL × 5 PEG DI(HYDROXYETHYL)ETHER × 2 PE4 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PG6 1-(2-METHOXY-ETHOXY)-2-{2-[2-(2-METHOXY-ETHOXY]-ETHOXY}-ETHANE × 1	X-RAY DIFFRACTION X-ray结晶条件 EVAPORATION；288 K；Morpheus screen H9 condition: 0.1M amino acids, 0.1M buffer system 3 pH8.5, 30% precipitant mix 1.	分辨率 2.32 Å R-free 0.253
8A3Q Human Plasma Kallekrein in complex with 14W 提交 2022-06-08	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 376–638（263 aa）	未记录	A1J3F N-[(3-fluoranyl-4-methoxy-pyridin-2-yl)methyl]-3-(methoxymethyl)-1-[[4-[(2-oxidanylidenepyridin-1-yl)methyl]phenyl]methyl]pyrazole-4-carboxamide × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件 COUNTER-DIFFUSION；pH 5.5；291 K；25% PEG 6K, 0.10 M MES, pH 6.5, 14 mg/mL protein including 20 mM Benzamidine. 1:1 ratio of protein to mother liquor at 1 + 1 microliters over a 500 microliter reservoir at 18 Celsius	分辨率 1.80 Å R-free 0.273
8FGX Cryo-EM structure of the STAR-0215 Fab in complex with active human plasma kallikrein 提交 2022-12-13	构建体不同突变/修饰不同配体/离子不同实验方法不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 3 PDB 声明：trimeric	链 C 20–638（619 aa）	未记录	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	ELECTRON MICROSCOPY cryo-EM缓冲液 pH 7 cryo-EM玻璃化条件冷冻剂 ETHANE；Grids were prepared using a ThermoFisher Vitrobot MkIV with the chamber held at 18C and 100% relative humidity. 3.5 uL of the sample was applied to an UltrAuFoil 1.2/1.3 300 mesh grid that had been freshly glow discharged, blotted for 4 seconds, and plunge frozen in liquid ethane.	分辨率 2.62 Å
9VWT The catalytic domain of human plasma kallikrein with peptide inhibitor 070 提交 2025-07-17	构建体不同突变/修饰不同聚集状态不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白异源复合物异源复合物；蛋白 × 2 PDB 声明：dimeric	链 A 391–627（237 aa）	突变：C122S	未记录非水小分子	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, SITTING DROP；298 K；PEG 3350, TRIS-HCL, (NH4)2SO4	分辨率 1.77 Å R-free 0.210

共 21 个其他 PDB 条目、23 个 assembly。打开独立比较页并筛选聚集状态

查看构建体与数据证据

UniProt名称	KLKB1_HUMAN
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–241； UniProt 391–631

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。链映射与序列区间收在“数据证据”中；数据库内部编号、导入时间和 assembly 操作表达式仅用于维护，因此不在读者页面展示。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id	4ogx
沉积日期 deposition_date	2014-01-16
结构标题 title	Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.4 Angstrom resolution
关键词 keywords	;FAB, ANTIBODY, KALLIKREIN, BLOOD, PLASMA, PLASMA KALLIKREIN- MEDIATED EDEMA, ACUTE HEREDITARY ANGIOEDEMA, HAE, HMWK, serpin C1-inhibitor, C1-INH, hereditary angioedema, HAW, bradykinin, Fletcher factor, Kininogenin, serine protease, edema, HYDROLASE-ANTIBODY complex ;; HYDROLASE/ANTIBODY
实验方法 method	X-RAY DIFFRACTION

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3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	31.76 Å
回转半径 Rg (电子) rg_electron	31.54 Å
零角强度 I(0) i0	85728900.00
分子量 molecular_weight	72027.0 kDa
排除体积 excluded_volume	89369 Å³
包络体积 envelope_volume	115700 Å³
水化壳体积 shell_volume	32030 Å³
包络直径 envelope_diameter	106.7 Å
壳层 Rg shell_rg	36.92 Å
包络 Rg envelope_rg	31.39 Å
形状 Rg shape_rg	31.53 Å
总 Rg total_rg	32.02 Å
总原子数 total_atoms	5064
残基数 n_residues	664
球谐函数阶数 n_harmonics	20
q 范围 q_range	— – 0.5000 Å⁻¹
数据点数 n_points	101
壳层类型 shell_type	directional
溶剂电子密度 solvent_density	0.3340 e/Å³
壳层衬度 contrast_shell	0.0300 e/Å³
CRYSOL 版本 crysol_version	4.1.3

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4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	109.5 Å
Rg (实空间) rg_real	32.02 Å
Rg 误差 (实空间) rg_real_error	1.15 Å
I(0) (实空间) i0_real	8.5730e+07
I(0) 误差 (实空间) i0_real_error	1.3200e+06
Rg (倒空间) rg_reciprocal	31.92 Å
I(0) (倒空间) i0_reciprocal	85720000.0000
解质量估计 total_estimate	0.8498
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	30.6 Å
偏度 Skewness skewness	0.500
峰度 Kurtosis kurtosis	-0.362
角度范围 angular_range	— – 0.2500 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	15920000.0000
实空间数据点数 n_real_points	51
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.781; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.848; Smooth: 0.851

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5. 晶体学与实验 5. Crystallography & Experiment

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6. 实体与聚合物信息 Entities & Polymers (5)

实体 1 Entity 1 polymer

描述 description	Plasma kallikrein
分子量 formula_weight	27144.8 kDa
EC 编号 ec_number	3.4.21.34
突变 mutation	N396E, N453E, N494E, C503S
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	5337

IVGGTESSWGEWPWQVSLQVKLTAQRHLCGGSLIGHQWVLTAAHCFDGLPLQDVWRIYSGILELSDITKDTPFSQIKEIIIHQNYKVSEGNHDIALIKLQAPLEYTEFQKPISLPSKGDTSTIYTNCWVTGWGFSKEKGEIQNILQKVNIPLVTNEECQKRYQDYKITQRMVCAGYKEGGKDACKGDSGGPLVCKHNGMWRLVGITSWGEGCARREQPGVYTKVAEYMDWILEKTQSSDGK

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Spodoptera frugiperda

实体 2 Entity 2 polymer

描述 description	DX-2930 HEAVY CHAIN
分子量 formula_weight	24039.1 kDa
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	H

EVQLLESGGGLVQPGGSLRLSCAASGFTFSHYIMMWVRQAPGKGLEWVSGIYSSGGITVYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAYRRIGVPRRDEFDIWGQGTMVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSC

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

实体 3 Entity 3 polymer

描述 description	DX-2930 LIGHT CHAIN
分子量 formula_weight	23446.0 kDa
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	L

DIQMTQSPSTLSASVGDRVTITCRASQSISSWLAWYQQKPGKAPKLLIYKASTLESGVPSRFSGSGSGTEFTLTISSLQPDDFATYYCQQYNTYWTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

实体 4 Entity 4 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

实体 5 Entity 5 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	270

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7. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

结构域编号 domain_id	d4ogxa_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.2 — Eukaryotic proteases

结构域编号 domain_id	d4ogxh_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d4ogxl1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.0 — automated matches

结构域编号 domain_id	d4ogxl2
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (6 domains)

结构域编号 domain_id	4ogxA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	4ogxA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	4ogxH01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	4ogxH02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	4ogxL01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	4ogxL02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

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8. 引用文献 (1)

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晶胞边长 a length_a	109.610 Å
晶胞边长 b length_b	171.500 Å
晶胞边长 c length_c	42.320 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

空间群 space_group	P 21 21 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

分辨率 resolution	2.400 Å
最低分辨率 resolution_low	41.120 Å
R 因子 r_factor	0.1880
R_work r_work	0.1850
R_free r_free	0.2360

fit	/app/data/saxs_computation/og/4ogx/4ogx.fit
pddf	/app/data/pr_computation/og/4ogx/4ogx.pr.out
profile	/app/data/saxs_computation/og/4ogx/4ogx.dat

Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.4 Angstrom resolution

1. 蛋白身份与相关结构 Protein Identity & Related Structures

Plasma kallikrein

当前结构中的状态

数据库中的同蛋白其他状态

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

2. 结构基本信息 2. Structure Basics

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

5. 晶体学与实验 5. Crystallography & Experiment

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

6. 实体与聚合物信息 Entities & Polymers (5)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 polymer

聚合物 Polymer

来源 Source

实体 3 Entity 3 polymer

聚合物 Polymer

来源 Source

实体 4 Entity 4 non-polymer

实体 5 Entity 5 water

7. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

8. 引用文献 (1)

9. 文件与曲线 (10)

Files (7)

Curves (3)