1N43
Streptavidin Mutant N23A with biotin at 1.89A
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, D | Streptavidin | polymer | 127 | 13238.3 | 4 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
| 2 | A, B, C, D | BIOTIN | non-polymer | 244.3 | 4 | Chemie (BTN) | |||
| 3 | water | water | 18.0 | 360 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 13 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Ala 23 | Asn 47 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 52953.2 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 977.2 | |
| All* | Total formula weight | 53930.5 |
