1SCA
ENZYME CRYSTAL STRUCTURE IN A NEAT ORGANIC SOLVENT
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | SUBTILISIN CARLSBERG | polymer | 274 | 27306.2 | 1 | UniProt (P00780) Pfam (PF00082)  | Bacillus licheniformis | |
| 2 | B, D (A)  | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | C (A)  | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | E (A)  | water | water | 18.0 | 126 | Chemie (HOH) | 
Sequence modifications
A: 1 - 275 (UniProt: P00780)
| PDB | External Database | Details | 
|---|---|---|
| Ser 103 | Thr 207 | conflict | 
| Ala 129 | Pro 233 | conflict | 
| Asn 158 | Ser 262 | conflict | 
| Ser 161 | Asn 265 | conflict | 
| Asn 212 | Ser 316 | conflict | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 27306.2 | |
| Non-Polymers* | Number of molecules | 3 | 
| Total formula weight | 103.1 | |
| All* | Total formula weight | 27409.3 | 






