3SIC
MOLECULAR RECOGNITION AT THE ACTIVE SITE OF SUBTILISIN BPN': CRYSTALLOGRAPHIC STUDIES USING GENETICALLY ENGINEERED PROTEINACEOUS INHIBITOR SSI (STREPTOMYCES SUBTILISIN INHIBITOR)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (E) | SUBTILISIN BPN' | polymer | 275 | 27552.5 | 1 | UniProt (P00782) Pfam (PF00082) | Bacillus amyloliquefaciens | |
| 2 | B (I) | STREPTOMYCES SUBTILISIN INHIBITOR (SSI) | polymer | 107 | 10938.3 | 1 | UniProt (P01006) Pfam (PF00720) | ||
| 3 | C, D (E) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E, F (E, I) | water | water | 18.0 | 273 | Chemie (HOH) |
Sequence modifications
I: 7 - 113 (UniProt: P01006)
| PDB | External Database | Details |
|---|---|---|
| Lys 73 | Met 104 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 38490.8 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 38571.0 |
