7C6L
Crystal structure of beta-glycosides-binding protein (W177X) of ABC transporter in a closed state bound to cellotriose (Form II)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Sugar ABC transporter, periplasmic sugar-binding protein | polymer | 422 | 45906.2 | 2 | UniProt (Q53W80) Pfam (PF13416) In PDB | Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) | |
2 | C, D | alpha-L-altropyranose-(1-4)-alpha-D-altropyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 2 | In PDB GlyTouCan (G25014GO) | |||
3 | A, B | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
4 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
5 | A | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
6 | B | CARBON DIOXIDE | non-polymer | 44.0 | 1 | Chemie (CO2) | |||
7 | B | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
8 | water | water | 18.0 | 327 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 415 (UniProt: Q53W80)
PDB | External Database | Details |
---|---|---|
Met 0 | - | initiating methionine |
Arg 174 | Lys 192 | engineered mutation |
Thr 175 | Asn 193 | engineered mutation |
Pro 176 | Ser 194 | engineered mutation |
- | Trp 195 | deletion |
Arg 177 | Asp 196 | engineered mutation |
Thr 178 | Val 197 | engineered mutation |
His 416 | - | expression tag |
His 417 | - | expression tag |
His 418 | - | expression tag |
His 419 | - | expression tag |
His 420 | - | expression tag |
His 421 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 91812.4 | |
Branched | Number of molecules | 2 |
Total formula weight | 1008.9 | |
Non-Polymers* | Number of molecules | 8 |
Total formula weight | 377.0 | |
All* | Total formula weight | 93198.3 |