Research workbench
Crystal structure of bovine gamma-chymotrypsin complexed with a synthetic inhibitor
Analyse Crystal structure of bovine gamma-chymotrypsin complexed with a synthetic… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1AFQ
- Type
- protein
- Length
- 237 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Bovine gamma-chymotrypsin
- EC
- 3.4.21.1
- UniProt
- P00766
- Ligands
- 0FG, SO4
- Pockets
- 1 · best druggability 0.47
Structure
x-ray diffraction · 3 distinct chains · 11% helix, 36% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Bovine gamma-chymotrypsin (EC 3.4.21.1) | protein | 10 | 0% helix, 0% strand | P00766 |
| B | Bovine gamma-chymotrypsin (EC 3.4.21.1) | protein | 131 | 2% helix, 38% strand | P00766 |
| C | Bovine gamma-chymotrypsin (EC 3.4.21.1) | protein | 96 | 25% helix, 38% strand | P00766 |
Ligands and binding sites
- 0FG · D-leucyl-N-(4-fluorobenzyl)-L-phenylalaninamide · ligand · 2 copies · chains A, B, C
- SO4 · Sulfate ion · ion · chains B, C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
1 pocket found on a 1 Å grid, 0 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 73 | 0.47 | 0.83 | 21 | 0FG |
Interfaces
3 interfaces between chains.
- B–C · 2961 Ų buried · 42 hydrogen bonds · protein-protein
- A–B · 479 Ų buried · 1 hydrogen bond · protein-protein
- A–C · 228 Ų buried · 2 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 5 disulfide (disulfide).
Compared structures
- 1AFQ · Crystal structure of bovine gamma-chymotrypsin complexed with a synthetic inhibitor · the same entry in another collection · chain A against A, TM-score 1.00
- P00766 · AlphaFold monomer V2.0 prediction for chymotrypsinogen a (P00766) · a predicted model of the same protein · chain C against A, TM-score 0.99
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P00766
- Elsewhere: RCSB PDB 1AFQ · PDBe 1AFQ · UniProt P00766
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