1SLW
RAT ANIONIC N143H, E151H TRYPSIN COMPLEXED TO A86H ECOTIN; NICKEL-BOUND
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | ECOTIN | polymer | 142 | 16187.6 | 1 | UniProt (P23827) Pfam (PF03974) | Escherichia coli | TRYPSIN INHIBITOR |
| 2 | B (B) | ANIONIC TRYPSIN | polymer | 223 | 23861.9 | 1 | UniProt (P00763) Pfam (PF00089) | Rattus norvegicus (Norway rat) | |
| 3 | C (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (B) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 5 | E (B) | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 6 | F, G (A, B) | water | water | 18.0 | 52 | Chemie (HOH) |
Sequence modifications
A: 1 - 142 (UniProt: P23827)
B: 16 - 245 (UniProt: P00763)
| PDB | External Database | Details |
|---|---|---|
| His 86 | Ala 106 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Ile 121 | Val 126 | engineered mutation |
| His 143 | Asn 146 | engineered mutation |
| His 151 | Glu 154 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 40049.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 157.8 | |
| All* | Total formula weight | 40207.3 |
