Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (AAA, BBB, CCC, DDD) | Cathepsin S | polymer | 225 | 25106.2 | 4 | UniProt (P25774) Pfam (PF00112) | Homo sapiens (Human) | |
| 2 | E, F, G (AAA, BBB, CCC) | (6~{R})-2-phenyl-5,6,7,8-tetrahydroquinazolin-6-amine | non-polymer | 225.3 | 3 | Chemie (Q1Q) | |||
| 3 | H, I, J, K (AAA, BBB, CCC, DDD) | water | water | 18.0 | 201 | Chemie (HOH) |
Sequence modifications
AAA, BBB, CCC, DDD: -1 - 217 (UniProt: P25774)
| PDB | External Database | Details |
|---|---|---|
| His 218 | - | expression tag |
| His 219 | - | expression tag |
| His 220 | - | expression tag |
| His 221 | - | expression tag |
| His 222 | - | expression tag |
| His 223 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 100424.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 675.9 | |
| All* | Total formula weight | 101100.6 |






