1SWK
CORE-STREPTAVIDIN MUTANT W79F IN COMPLEX WITH BIOTIN AT PH 4.5
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 | CORE-STREPTAVIDIN | polymer | 127 | 13242.3 | 4 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
2 | A, B, D | BIOTIN | non-polymer | 244.3 | 3 | Chemie (BTN) | |||
3 | C | EPI-BIOTIN | non-polymer | 244.3 | 1 | Chemie (BTQ) | |||
4 | water | water | 18.0 | 211 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 13 - 139 (UniProt: P22629)
PDB | External Database | Details |
---|---|---|
Phe 79 | Trp 103 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 52969.2 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 977.2 | |
All* | Total formula weight | 53946.4 |