1F34
CRYSTAL STRUCTURE OF ASCARIS PEPSIN INHIBITOR-3 BOUND TO PORCINE PEPSIN
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PEPSIN A | polymer | 326 | 34593.5 | 1 | UniProt (P00791) Pfam (PF00026) | Sus scrofa (pig) | |
| 2 | B (B) | MAJOR PEPSIN INHIBITOR PI-3 | polymer | 149 | 16411.7 | 1 | UniProt (P19400) Pfam (PF06394) | Ascaris suum (pig roundworm) | |
| 3 | C (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 4 | D, E (A, B) | water | water | 18.0 | 102 | Chemie (HOH) |
Sequence modifications
A: 1 - 326 (UniProt: P00791)
| PDB | External Database | Details |
|---|---|---|
| Sep 68 | Ser 127 | modified residue |
| - | Ile 289 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 51005.2 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 118.2 | |
| All* | Total formula weight | 51123.3 |
