3RGN
Crystal structure of spin-labeled BtuB W371R1
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Vitamin B12 transporter BtuB | polymer | 594 | 66303.1 | 1 | UniProt (P06129) Pfam (PF07715) Pfam (PF00593) In PDB | Escherichia coli | Cobalamin receptor, Outer membrane cobalamin translocator |
| 2 | A | (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE | non-polymer | 306.4 | 7 | Chemie (C8E) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 4 | A | S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate | non-polymer | 264.4 | 1 | Chemie (MTN) | |||
| 5 | water | water | 18.0 | 130 | Chemie (HOH) |
Sequence modifications
A: 1 - 594 (UniProt: P06129)
| PDB | External Database | Details |
|---|---|---|
| Cys 371 | Trp 391 | ENGINEERED MUTATION |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 66303.1 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 2482.4 | |
| All* | Total formula weight | 68785.5 |
