4CPA
REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF CARBOXYPEPTIDASE A AT 2.5 ANGSTROMS RESOLUTION
Replaces: 1CPAEntity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, B) | CARBOXYPEPTIDASE A | polymer | 307 | 34442.5 | 2 | UniProt (P00730) Pfam (PF00246) | Bos taurus (cattle) | |
| 2 | B, D (I, J) | METALLOCARBOXYPEPTIDASE INHIBITOR | polymer | 38 | 4183.7 | 2 | UniProt (P01075) Pfam (PF02977) | Solanum tuberosum (potato) | |
| 3 | E, G (A, B) | GLYCINE | non-polymer | 75.1 | 2 | Chemie (GLY) | |||
| 4 | F, H (I, J) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence modifications
A, B: 1 - 307 (UniProt: P00730)
| PDB | External Database | Details |
|---|---|---|
| Gln 28 | Glu 138 | conflict |
| Glu 31 | Gln 141 | conflict |
| Asn 89 | Asp 199 | conflict |
| Asn 93 | Asp 203 | conflict |
| Asn 114 | Asp 224 | conflict |
| Glu 122 | Gln 232 | conflict |
| Asn 185 | Asp 295 | conflict |
| Ala 228 | Glu 338 | conflict |
| Val 305 | Leu 415 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 77252.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 281.0 | |
| All* | Total formula weight | 77533.3 |
