1B20
DELETION OF A BURIED SALT-BRIDGE IN BARNASE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | PROTEIN (BARNASE) | polymer | 110 | 12328.6 | 3 | UniProt (P00648) Pfam (PF00545) In PDB | Bacillus amyloliquefaciens | |
| 2 | A, B, C | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) | |||
| 3 | water | water | 18.0 | 486 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 110 (UniProt: P00648)
| PDB | External Database | Details |
|---|---|---|
| Ser 69 | Arg 116 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 36985.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 196.2 | |
| All* | Total formula weight | 37182.0 |
