1BP4
USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF CATHEPSIN K INHIBITORS. CRYSTAL STRUCTURES OF TWO PAPAIN INHIBITOR COMPLEXES DEMONSTRATE BINDING TO S'-SUBSITES.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PAPAIN | polymer | 212 | 23449.3 | 1 | UniProt (P00784) Pfam (PF00112) | Carica papaya (papaya) | |
| 2 | B (A) | N-[(benzyloxy)carbonyl]-L-leucyl-N-[(2S)-1-hydroxy-4-methylpentan-2-yl]-L-leucinamide | non-polymer | 477.6 | 1 | BIRD (PRD_001210) Chemie (ALD) | |||
| 3 | C (A) | water | water | 18.0 | 88 | Chemie (HOH) |
Sequence modifications
A: 1 - 212 (UniProt: P00784)
| PDB | External Database | Details |
|---|---|---|
| Gln 47 | Glu 180 | conflict |
| Gln 118 | Glu 251 | conflict |
| Gln 135 | Glu 268 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 23449.3 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 477.6 | |
| All* | Total formula weight | 23927.0 |
