1ESB
DIRECT STRUCTURE OBSERVATION OF AN ACYL-ENZYME INTERMEDIATE IN THE HYDROLYSIS OF AN ESTER SUBSTRATE BY ELASTASE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PORCINE PANCREATIC ELASTASE | polymer | 240 | 25928.0 | 1 | UniProt (P00772) Pfam (PF00089) | Sus scrofa (pig) | |
| 2 | B (A) | N-[(BENZYLOXY)CARBONYL]-L-ALANINE | non-polymer | 223.2 | 1 | Chemie (BBL) | |||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | E (A) | water | water | 18.0 | 126 | Chemie (HOH) |
Sequence modifications
A: 16 - 255 (UniProt: P00772)
| PDB | External Database | Details |
|---|---|---|
| Asn 81 | Asp 92 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 25928.0 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 359.4 | |
| All* | Total formula weight | 26287.4 |
