1PYT
TERNARY COMPLEX OF PROCARBOXYPEPTIDASE A, PROPROTEINASE E, AND CHYMOTRYPSINOGEN C
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PROCARBOXYPEPTIDASE A | polymer | 94 | 10801.1 | 1 | UniProt (P00730) Pfam (PF02244) | Bos taurus (cattle) | |
| 2 | B (B) | PROCARBOXYPEPTIDASE A | polymer | 309 | 34793.8 | 1 | UniProt (P00730) Pfam (PF00246) | Bos taurus (cattle) | |
| 3 | C (C) | PROPROTEINASE E | polymer | 253 | 27336.6 | 1 | UniProt (P05805) Pfam (PF00089) | Bos taurus (cattle) | |
| 4 | D (D) | CHYMOTRYPSINOGEN C | polymer | 251 | 27385.8 | 1 | Pfam (PF00089) UniProt (by SIFTS) (Q7M3E1) | Bos taurus (cattle) | TC, PCPA-TC |
| 5 | E (B) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 6 | F (C) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 7 | G, H, I, J (A, B, C, D) | water | water | 18.0 | 381 | Chemie (HOH) |
Sequence modifications
C: 405 - 645 (UniProt: P05805)
| PDB | External Database | Details |
|---|---|---|
| Gln 477 | Glu 77 | conflict |
| Glu 557 | Gln 160 | conflict |
| Tyr 570 | Trp 174 | conflict |
| Asp 592 | Asn 197 | conflict |
| Asn 639 | Asp 247 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 100317.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 105.5 | |
| All* | Total formula weight | 100422.8 |
