5GXZ
Crystal structure of endoglucanase CelQ from Clostridium thermocellum complexed with cellobiose and cellotriose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Glucanase | polymer | 610 | 69212.6 | 2 | UniProt (Q9AJF8) Pfam (PF00759) Pfam (PF00942) In PDB | Clostridium thermocellum | |
2 | C, E | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 504.4 | 2 | In PDB BIRD (PRD_900021) GlyTouCan (G14338VK) | beta-cellotriose | ||
3 | D, F | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 2 | In PDB BIRD (PRD_900005) GlyTouCan (G84824ZO) | beta-cellobiose | ||
4 | A, B | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
5 | A, B | CHLORIDE ION | non-polymer | 35.5 | 6 | Chemie (CL) | |||
6 | A, B | BROMIDE ION | non-polymer | 79.9 | 6 | Chemie (BR) | |||
7 | B | 2-(2-(2-(2-(2-(2-ETHOXYETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHANOL | non-polymer | 310.4 | 1 | Chemie (7PE) | |||
8 | water | water | 18.0 | 1237 | Chemie (HOH) |
Sequence modifications
A, B: 28 - 628 (UniProt: Q9AJF8)
PDB | External Database | Details |
---|---|---|
Met 27 | - | initiating methionine |
Thr 251 | Ile 251 | engineered mutation |
Leu 629 | - | expression tag |
Glu 630 | - | expression tag |
His 631 | - | expression tag |
His 632 | - | expression tag |
His 633 | - | expression tag |
His 634 | - | expression tag |
His 635 | - | expression tag |
His 636 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 138425.2 | |
Branched | Number of molecules | 4 |
Total formula weight | 1693.5 | |
Non-Polymers* | Number of molecules | 17 |
Total formula weight | 1162.8 | |
All* | Total formula weight | 141281.5 |