1NQF
OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING
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 receptor | polymer | 594 | 66669.5 | 1 | UniProt (P06129) Pfam (PF07715) Pfam (PF00593) In PDB | Escherichia coli | OUTER MEMBRANE COBALAMIN TRANSPORTER BTUB |
| 2 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 3 | A | (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE | non-polymer | 306.4 | 6 | Chemie (C8E) | |||
| 4 | water | water | 18.0 | 69 | Chemie (HOH) |
Sequence modifications
A: 1 - 594 (UniProt: P06129)
| PDB | External Database | Details |
|---|---|---|
| Mse 293 | Met 313 | engineered mutation |
| Mse 317 | Trp 337 | engineered mutation |
| Mse 319 | Lys 339 | engineered mutation |
| Mse 321 | Thr 341 | engineered mutation |
| Mse 516 | Trp 536 | engineered mutation |
| Mse 518 | Ile 538 | engineered mutation |
| Mse 520 | Tyr 540 | engineered mutation |
| Mse 541 | Met 561 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 66669.5 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 1862.9 | |
| All* | Total formula weight | 68532.4 |
