1kyn

Cathepsin-G

Method: X-RAY DIFFRACTION D_max: 95.4 Å Quality: GOOD

▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

cathepsin G

OrganismNot specified

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 21–255	Not recorded	KTP (2-NAPHTHALEN-2-YL-1-NAPHTHALEN-1-YL-2-OXO-ETHYL)-PHOSPHONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 5.5；295 K；ammonium sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.50 Å R-free 0.328
2	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain B； UniProt 21–255	Not recorded	KTP (2-NAPHTHALEN-2-YL-1-NAPHTHALEN-1-YL-2-OXO-ETHYL)-PHOSPHONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 5.5；295 K；ammonium sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.50 Å R-free 0.328

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 1KYN	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1AU8 HUMAN CATHEPSIN G Deposited 1997-09-12	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–244（224 aa）	Not recorded	0H8 N-(3-carboxypropanoyl)-L-valyl-N-[(1R)-5-amino-1-phosphonopentyl]-L-prolinamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 1.90 Å R-free 0.251
1CGH Human cathepsin G Deposited 1996-06-26	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–244（224 aa）	Not recorded	1ZG N-(3-carboxypropanoyl)-L-valyl-N-{(1R)-1-[(S)-hydroxy(oxido)phosphanyl]-2-phenylethyl}-L-prolinamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 1.80 Å R-free 0.240
1T32 A Dual Inhibitor of the Leukocyte Proteases Cathepsin G and Chymase with Therapeutic Efficacy in Animals Models of Inflammation Deposited 2004-04-23	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–244（224 aa）	Not recorded	SO4 SULFATE ION × 5 OHH 2-[3-({METHYL[1-(2-NAPHTHOYL)PIPERIDIN-4-YL]AMINO}CARBONYL)-2-NAPHTHYL]-1-(1-NAPHTHYL)-2-OXOETHYLPHOSPHONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7；296 K；PEG 4000, Sodium Hepes, sodium acetate, ammonium sulfate, 2-propanol, pH 7.0, VAPOR DIFFUSION, temperature 296.0K	Resolution 1.85 Å R-free 0.213
6VTM Human Cathepsin-G Inhibited by S. aureus EapH1 Deposited 2020-02-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 21–244（224 aa）	Not recorded	SO4 SULFATE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M lithium sulfate monohydrate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350	Resolution 1.60 Å R-free 0.209
6VTM Human Cathepsin-G Inhibited by S. aureus EapH1 Deposited 2020-02-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 21–244（224 aa）	Not recorded	SO4 SULFATE ION × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M lithium sulfate monohydrate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350	Resolution 1.60 Å R-free 0.209
6VTM Human Cathepsin-G Inhibited by S. aureus EapH1 Deposited 2020-02-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 21–244（224 aa）	Not recorded	SO4 SULFATE ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M lithium sulfate monohydrate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350	Resolution 1.60 Å R-free 0.209
6VTM Human Cathepsin-G Inhibited by S. aureus EapH1 Deposited 2020-02-13	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 21–244（224 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M lithium sulfate monohydrate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350	Resolution 1.60 Å R-free 0.209
7H6G THE 1.21 A CRYSTAL STRUCTURE OF HUMAN CATHEPSIN G IN COMPLEX WITH N-[2-[6-fluoro-2-[(4-hydroxy-5-methyl-2-oxo-5-phenylfuran-3-yl)-phenylmethyl]-1H-indol-3-yl]ethyl]acetamide Deposited 2024-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–255（235 aa）	Not recorded	ZN ZINC ION × 2 SO4 SULFATE ION × 3 A1AOS N-(2-{6-fluoro-2-[(R)-[(5R)-4-hydroxy-5-methyl-2-oxo-5-phenyl-2,5-dihydrofuran-3-yl](phenyl)methyl]-1H-indol-3-yl}ethyl)acetamide × 1 BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 7.5；293 K；0.2 M LiSO4 (Salt), 25 %w/v PEG3350 (Precipitant), 0.1 M HEPES 7.5 pH (Buffer), Protein was at 17 mg/mL.	Resolution 1.21 Å R-free 0.181
7H6G THE 1.21 A CRYSTAL STRUCTURE OF HUMAN CATHEPSIN G IN COMPLEX WITH N-[2-[6-fluoro-2-[(4-hydroxy-5-methyl-2-oxo-5-phenylfuran-3-yl)-phenylmethyl]-1H-indol-3-yl]ethyl]acetamide Deposited 2024-04-19	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 21–255（235 aa）	Not recorded	ZN ZINC ION × 2 SO4 SULFATE ION × 1 A1AOS N-(2-{6-fluoro-2-[(R)-[(5R)-4-hydroxy-5-methyl-2-oxo-5-phenyl-2,5-dihydrofuran-3-yl](phenyl)methyl]-1H-indol-3-yl}ethyl)acetamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 7.5；293 K；0.2 M LiSO4 (Salt), 25 %w/v PEG3350 (Precipitant), 0.1 M HEPES 7.5 pH (Buffer), Protein was at 17 mg/mL.	Resolution 1.21 Å R-free 0.181
7H6H THE 1.94 A CRYSTAL STRUCTURE OF HUMAN CATHEPSIN G IN COMPLEX WITH 1-[(7-fluoronaphthalen-1-yl)methyl]-3-[[methoxycarbonyl(methyl)amino]methyl]indole-2-carboxylic acid Deposited 2024-04-19	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–255（235 aa）	Mutation：NO	ZN ZINC ION × 1 A1AO6 1-[(7-fluoronaphthalen-1-yl)methyl]-3-{[(methoxycarbonyl)(methyl)amino]methyl}-1H-indole-2-carboxylic acid × 1 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions MICROBATCH；pH 7.5；293 K；0.2 M LiSO4 (Salt), 25 %w/v PEG3350 (Precipitant), 0.1 M HEPES 7.5 pH (Buffer), Protein was at 17 mg/mL.	Resolution 1.94 Å R-free 0.232
8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 21–243（223 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5), 0.2M Magnesium Chloride, 25% (w/v) PEG-3350	Resolution 1.95 Å R-free 0.261
8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 21–243（223 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5), 0.2M Magnesium Chloride, 25% (w/v) PEG-3350	Resolution 1.95 Å R-free 0.261
8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 21–243（223 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5), 0.2M Magnesium Chloride, 25% (w/v) PEG-3350	Resolution 1.95 Å R-free 0.261
8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 21–243（223 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5), 0.2M Magnesium Chloride, 25% (w/v) PEG-3350	Resolution 1.95 Å R-free 0.261
8D4V Crystal Structure of Cathepsin G Inhibited by Eap2 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 21–243（223 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M BisTris (pH 6.5), 0.2M Ammonium Sulfate, 25%(w/v) PEG-3350	Resolution 1.85 Å R-free 0.251
8D4V Crystal Structure of Cathepsin G Inhibited by Eap2 from S. aureus Deposited 2022-06-02	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 21–243（223 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M BisTris (pH 6.5), 0.2M Ammonium Sulfate, 25%(w/v) PEG-3350	Resolution 1.85 Å R-free 0.251
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain F 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain I 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain L 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain O 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain R 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris, 0.2M sodium/potassium tartrate, 14% PEG-8000	Resolution 3.63 Å R-free 0.217
8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid, 0.15M Lithium Sulfate, 12% PEG-6000	Resolution 3.10 Å R-free 0.258
8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain F 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid, 0.15M Lithium Sulfate, 12% PEG-6000	Resolution 3.10 Å R-free 0.258
8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain I 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid, 0.15M Lithium Sulfate, 12% PEG-6000	Resolution 3.10 Å R-free 0.258
8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain L 21–243（223 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid, 0.15M Lithium Sulfate, 12% PEG-6000	Resolution 3.10 Å R-free 0.258
8G24 Crystal Structure of Cathepsin-G and Neutrophil Elastase Inhibited by S. aureus EapH2 at pH 5.5 Deposited 2023-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Bis-Tris, 0.2 M sodium chloride, 26% w/v PDB3350	Resolution 1.82 Å R-free 0.249
8G25 Crystal Structure of Cathepsin-G and Neutrophil Elastase Inhibited by S. aureus EapH2 at pH 7.5 Deposited 2023-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M lithium sulfate, 26% w/v PEG3350	Resolution 1.80 Å R-free 0.283
8G25 Crystal Structure of Cathepsin-G and Neutrophil Elastase Inhibited by S. aureus EapH2 at pH 7.5 Deposited 2023-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain F 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M lithium sulfate, 26% w/v PEG3350	Resolution 1.80 Å R-free 0.283
8G25 Crystal Structure of Cathepsin-G and Neutrophil Elastase Inhibited by S. aureus EapH2 at pH 7.5 Deposited 2023-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain I 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M lithium sulfate, 26% w/v PEG3350	Resolution 1.80 Å R-free 0.283
8G26 Crystal Structure of Cathepsin-G and Neutrophil Elastase Inhibited by S. aureus EapH2 at pH 8.5 Deposited 2023-02-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.1 M Tris, 0.2 M magnesium chloride, 25% PEG3350	Resolution 1.85 Å R-free 0.238
9ASX BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap3 of S. aureus Deposited 2024-02-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium citrate 0.1 M imidazole (pH 6.8) 22% (w/v) peg-2kMME	Resolution 1.96 Å R-free 0.228
9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5) 12% (w/v) PEG-6K	Resolution 2.11 Å R-free 0.233
9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain E 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5) 12% (w/v) PEG-6K	Resolution 2.11 Å R-free 0.233
9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5) 12% (w/v) PEG-6K	Resolution 2.11 Å R-free 0.233
9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain K 21–243（223 aa） Fragment：C-terminal truncation (UNP residues 21-243)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5) 12% (w/v) PEG-6K	Resolution 2.11 Å R-free 0.233

15 other PDB entries and 36 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	CATG_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–235； UniProt 21–255 Author chain B； PDBConstruct 1–235； UniProt 21–255

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1kyn
Deposition date deposition_date	2002-02-05
Structure title title	Cathepsin-G
Keywords keywords	serine protease, HYDROLASE; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

▼

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	29.13 Å
Radius of gyration Rg (electron density) rg_electron	28.72 Å
Forward intensity I(0) i0	48669900.00
Molecular weight molecular_weight	51370.0 kDa
Excluded volume excluded_volume	63212 Å³
Envelope volume envelope_volume	79034 Å³
Hydration-shell volume shell_volume	24288 Å³
Envelope diameter envelope_diameter	99.8 Å
Shell Rg shell_rg	33.73 Å
Envelope Rg envelope_rg	28.71 Å
Shape Rg shape_rg	28.71 Å
Total Rg total_rg	29.26 Å
Total atoms total_atoms	3607
Residues n_residues	440
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

▼

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	95.4 Å
Rg (real space) rg_real	29.39 Å
Rg uncertainty (real space) rg_real_error	0.78 Å
I(0) (real space) i0_real	4.8670e+07
I(0) uncertainty (real space) i0_real_error	7.2250e+05
Rg (reciprocal space) rg_reciprocal	29.28 Å
I(0) (reciprocal space) i0_reciprocal	48670000.0000
Solution quality estimate total_estimate	0.8054
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	24.7 Å
Skewness Skewness skewness	0.487
Kurtosis Kurtosis kurtosis	-0.602
Angular range angular_range	— – 0.2700 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	23590000.0000
Real-space data points n_real_points	55
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.651; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.721; Smooth: 0.792

▶

5. Crystallography and Experiment 5. Crystallography & Experiment

▶

6. Entities and Polymers Entities & Polymers (2)

▼

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1kyna_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.2 — Eukaryotic proteases

Domain ID domain_id	d1kynb_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.2 — Eukaryotic proteases

CATH v4.4 (4 domains)

Domain ID domain_id	1kynA01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1kynA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1kynB01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1kynB02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

▶

8. Citations (1)

▶

Unit-cell length a length_a	59.440 Å
Unit-cell length b length_b	59.440 Å
Unit-cell length c length_c	130.620 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 41
Space-group number int_tables_number	76
Crystal system crystal_system	—

Resolution resolution	3.500 Å
Low-resolution limit resolution_low	14.860 Å
R factor r_factor	—
R_work r_work	0.2580
R_free r_free	0.3280

Description description	cathepsin G
Molecular weight formula_weight	26801.8 kDa
EC 编号 ec_number	3.4.21.20
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3607

Cathepsin-G

1. Protein Identity and Related Structures Protein Identity & Related Structures

cathepsin G

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

Description description	(2-NAPHTHALEN-2-YL-1-NAPHTHALEN-1-YL-2-OXO-ETHYL)-PHOSPHONIC ACID
Molecular weight formula_weight	376.3 kDa
Source method src_method	syn
Copy count entity_count	2

fit	/app/data/saxs_computation/ky/1kyn/1kyn.fit
pddf	/app/data/pr_computation/ky/1kyn/1kyn.pr.out
profile	/app/data/saxs_computation/ky/1kyn/1kyn.dat