3S8J
Crystal structure of a papaya latex serine protease inhibitor (PPI) at 2.6A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Latex serine proteinase inhibitor | polymer | 184 | 20682.9 | 2 | UniProt (P80691) Pfam (PF00197) | Carica papaya (mamon) | |
| 2 | C, G (A, B) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 2 | Chemie (NAG) | |||
| 3 | D, H, I, J, K (A, B) | ACETATE ION | non-polymer | 59.0 | 5 | Chemie (ACT) | |||
| 4 | E (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | F, L (A, B) | FORMIC ACID | non-polymer | 46.0 | 2 | Chemie (FMT) | |||
| 6 | M, N (A, B) | water | water | 18.0 | 91 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 184 (UniProt: P80691)
| PDB | External Database | Details |
|---|---|---|
| Arg 74 | Phe 74 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 41365.8 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 921.8 | |
| All* | Total formula weight | 42287.6 |
