4SGB
STRUCTURE OF THE COMPLEX OF STREPTOMYCES GRISEUS PROTEINASE B AND POLYPEPTIDE CHYMOTRYPSIN INHIBITOR-1 FROM RUSSET BURBANK POTATO TUBERS AT 2.1 ANGSTROMS RESOLUTION
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (E) | SERINE PROTEINASE B | polymer | 185 | 18665.3 | 1 | UniProt (P00777) Pfam (PF00089) | Streptomyces griseus | |
| 2 | B (I) | POTATO INHIBITOR, PCI-1 | polymer | 51 | 5509.3 | 1 | UniProt (P01080) Pfam (PF02428) | ||
| 3 | C, D (E) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 4 | E (E) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | F, G (E, I) | water | water | 18.0 | 179 | Chemie (HOH) |
Sequence modifications
E: 16 - 243 (UniProt: P00777)
| PDB | External Database | Details |
|---|---|---|
| Val 236 | Ser 292 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24174.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 232.2 | |
| All* | Total formula weight | 24406.8 |
