1B21
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 (A, B, C) | PROTEIN (BARNASE) | polymer | 110 | 12327.6 | 3 | UniProt (P00648) Pfam (PF00545) | Bacillus amyloliquefaciens | |
| 2 | D (C) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | E, F, G (A, B, C) | water | water | 18.0 | 339 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 110 (UniProt: P00648)
| PDB | External Database | Details |
|---|---|---|
| Ser 69 | Arg 116 | engineered mutation |
| Asn 93 | Asp 140 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 36982.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 65.4 | |
| All* | Total formula weight | 37048.3 |
