3RGM
Crystal structure of spin-labeled BtuB T156R1
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Vitamin B12 transporter BtuB | polymer | 594 | 66388.2 | 1 | UniProt (P06129) Pfam (PF07715) Pfam (PF00593) | Escherichia coli | Cobalamin receptor, Outer membrane cobalamin translocator |
| 2 | B, C, D, E, F... (A) | (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE | non-polymer | 306.4 | 6 | Chemie (C8E) | |||
| 3 | H, I, J, K, L... (A) | MAGNESIUM ION | non-polymer | 24.3 | 9 | Chemie (MG) | |||
| 4 | Q (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 | R (A) | water | water | 18.0 | 84 | Chemie (HOH) |
Sequence modifications
A: 1 - 594 (UniProt: P06129)
| PDB | External Database | Details |
|---|---|---|
| Cys 156 | Thr 176 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 66388.2 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 2321.8 | |
| All* | Total formula weight | 68710.0 |
