Research workbench
The crystal structure of anionic salmon trypsin in complex with bovine pancreatic trypsin inhibitor
Analyse The crystal structure of anionic salmon trypsin in complex with bovine… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1BZX
- Type
- protein
- Length
- 280 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Protein (trypsin); Protein (bovine pancreatic trypsin inhibitor)
- EC
- 3.4.21.4
- UniProt
- P35031, P00974
- Ligands
- CA
Structure
x-ray diffraction · 2 distinct chains · 11% helix, 35% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| E | Protein (trypsin) (EC 3.4.21.4) | protein | 222 | 9% helix, 37% strand | P35031 |
| I | Protein (bovine pancreatic trypsin inhibitor) | protein | 58 | 21% helix, 28% strand | P00974 |
Ligands and binding sites
- CA · Calcium ion · metal · chains E
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Interfaces
1 interface between chains.
- E–I · 675 Ų buried · 16 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 9 disulfide (disulfide).
Compared structures
- 1BZX · The crystal structure of anionic salmon trypsin in complex with bovine pancreatic trypsin… · the same entry in another collection · chain E against E, TM-score 1.00
- P35031 · AlphaFold monomer V2.0 prediction for trypsin-1 (P35031) · a predicted model of the same protein · chain E against A, TM-score 0.99
- P00974 · AlphaFold monomer V2.0 prediction for pancreatic trypsin inhibitor (P00974) · a predicted model of the same protein · chain I against A, TM-score 0.97
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 P35031
- Every structure of UniProt P00974
- Elsewhere: RCSB PDB 1BZX · PDBe 1BZX · UniProt P35031 · UniProt P00974
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