3QNQ
Crystal structure of the transporter ChbC, the IIC component from the N,N'-diacetylchitobiose-specific phosphotransferase system
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | PTS system, cellobiose-specific IIC component | polymer | 442 | 48112.3 | 4 | UniProt (Q72XQ0) Pfam (PF02378) | Bacillus cereus | |
| 2 | E, G, I, K (E, G, I, K) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 4 | In PDB GlyTouCan (G42666HT) | |||
| 3 | F, H, J, L (F, H, J, L) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 4 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 4 | M, O, R, U (A, C) | nonyl 4-O-alpha-D-glucopyranosyl-beta-D-glucopyranoside | non-polymer | 468.5 | 4 | Chemie (ZDM) | |||
| 5 | N, P, Q, S, T... (A, B, C, D) | CITRIC ACID | non-polymer | 192.1 | 7 | Chemie (CIT) |
Sequence modifications
A, B, C, D: 1 - 433 (UniProt: Q72XQ0)
| PDB | External Database | Details |
|---|---|---|
| Ala 434 | - | expression tag |
| Ala 435 | - | expression tag |
| Ala 436 | - | expression tag |
| Glu 437 | - | expression tag |
| Asn 438 | - | expression tag |
| Leu 439 | - | expression tag |
| Tyr 440 | - | expression tag |
| Phe 441 | - | expression tag |
| Gln 442 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 192449.1 | |
| Branched | Number of molecules | 8 |
| Total formula weight | 3066.8 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 3219.0 | |
| All* | Total formula weight | 198734.9 |
