4AOQ
Cationic trypsin in complex with mutated Spinacia oleracea trypsin inhibitor III (SOTI-III) (F14A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C (A, B, C) | CATIONIC TRYPSIN | polymer | 223 | 23324.3 | 3 | UniProt (P00760) Pfam (PF00089) | BOS TAURUS | BETA-TRYPSIN, ALPHA-TRYPSIN CHAIN 1, ALPHA-TRYPSIN CHAIN 2 |
| 2 | D, E, F (D, E, F) | TRYPSIN INHIBITOR 3 | polymer | 37 | 3764.4 | 3 | UniProt (P84781) Pfam (PF17983) | SPINACIA OLERACEA | SOTI-III_F14A, SOTI III, TRYPSIN INHIBITOR III |
| 3 | G, H, J (A, B, C) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 4 | I (B) | PENTAETHYLENE GLYCOL | non-polymer | 238.3 | 1 | Chemie (1PE) | |||
| 5 | K, L, M, N, O... (A, B, C, D, E...) | water | water | 18.0 | 656 | Chemie (HOH) |
Sequence modifications
D, E, F: 1 - 37 (UniProt: P84781)
| PDB | External Database | Details |
|---|---|---|
| Ala 14 | Phe 14 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 81265.9 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 358.5 | |
| All* | Total formula weight | 81624.4 |
