5M3B
Structure of cobinamide-bound BtuF mutant W66L, the periplasmic vitamin B12 binding protein in E.coli
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Vitamin B12-binding protein | polymer | 289 | 31438.9 | 2 | UniProt (P37028) Pfam (PF01497) In PDB | Escherichia coli | |
2 | A, B | CYANIDE ION | non-polymer | 26.0 | 3 | Chemie (CYN) | |||
3 | A, B | COB(II)INAMIDE | non-polymer | 990.1 | 2 | Chemie (CBY) | |||
4 | A, B | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
5 | water | water | 18.0 | 555 | Chemie (HOH) |
Sequence modifications
A, B: 22 - 266 (UniProt: P37028)
PDB | External Database | Details |
---|---|---|
Met -2 | - | initiating methionine |
Lys -1 | - | expression tag |
Lys 0 | - | expression tag |
Thr 1 | - | expression tag |
Ala 2 | - | expression tag |
Ile 3 | - | expression tag |
Ala 4 | - | expression tag |
Ile 5 | - | expression tag |
Ala 6 | - | expression tag |
Val 7 | - | expression tag |
Ala 8 | - | expression tag |
Leu 9 | - | expression tag |
Ala 10 | - | expression tag |
Gly 11 | - | expression tag |
Phe 12 | - | expression tag |
Ala 13 | - | expression tag |
Thr 14 | - | expression tag |
Val 15 | - | expression tag |
Ala 16 | - | expression tag |
Gln 17 | - | expression tag |
Ala 18 | - | expression tag |
Ala 19 | - | expression tag |
Ser 20 | - | expression tag |
Met 21 | - | expression tag |
Leu 66 | Trp 66 | engineered mutation |
Ser 267 | - | expression tag |
Gly 268 | - | expression tag |
Ser 269 | - | expression tag |
Leu 270 | - | expression tag |
Glu 271 | - | expression tag |
Val 272 | - | expression tag |
Leu 273 | - | expression tag |
Phe 274 | - | expression tag |
Gln 275 | - | expression tag |
Gly 276 | - | expression tag |
Pro 277 | - | expression tag |
Gly 278 | - | expression tag |
Gly 279 | - | expression tag |
Ser 280 | - | expression tag |
His 281 | - | expression tag |
His 282 | - | expression tag |
His 283 | - | expression tag |
His 284 | - | expression tag |
His 285 | - | expression tag |
His 286 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 62877.7 | |
Non-Polymers* | Number of molecules | 8 |
Total formula weight | 2334.5 | |
All* | Total formula weight | 65212.3 |