1SWT
CORE-STREPTAVIDIN MUTANT D128A 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 (A, B) | PROTEIN (STREPTAVIDIN) | polymer | 127 | 13237.3 | 2 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | C, D (A, B) | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
| 3 | E, F (A, B) | water | water | 18.0 | 104 | Chemie (HOH) |
Sequence modifications
A, B: 13 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Ala 128 | Asp 152 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 26474.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 488.6 | |
| All* | Total formula weight | 26963.3 |
