2GUF
In meso crystal structure of the cobalamin transporter, BtuB
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 | 66386.2 | 1 | UniProt (P06129) Pfam (PF07715) Pfam (PF00593) | Escherichia coli | Cobalamin receptor, Outer membrane cobalamin translocator |
| 2 | B, C, D, E, F... (A) | [(Z)-octadec-9-enyl] (2R)-2,3-bis(oxidanyl)propanoate | non-polymer | 356.5 | 11 | Chemie (MPG) | |||
| 3 | M (A) | FORMIC ACID | non-polymer | 46.0 | 1 | Chemie (FMT) | |||
| 4 | N, O, P, Q (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 4 | Chemie (MPD) | |||
| 5 | R (A) | water | water | 18.0 | 297 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 66386.2 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 4440.7 | |
| All* | Total formula weight | 70826.8 |
