2EQD
Crystal structure of Cel44A, GH family 44 endoglucanase from Clostridium thermocellum
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Endoglucanase | polymer | 519 | 57687.5 | 1 | UniProt (P71140) Pfam (PF12891) UniProt (by SIFTS) (A3DD30) | Clostridium thermocellum | Glycoside hydrolase, beta-1,4-endoglucanase |
| 2 | B (B) | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 1315.1 | 1 | In PDB BIRD (PRD_900072) GlyTouCan (G61905WR) | beta-cellooctaose | ||
| 3 | C, D, E (A) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 4 | F (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 5 | G (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | H (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | I (A) | water | water | 18.0 | 53 | Chemie (HOH) |
Sequence modifications
A: 5 - 519 (UniProt: P71140)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | - | expression tag |
| Ser 2 | - | expression tag |
| Arg 3 | - | expression tag |
| Ser 4 | - | expression tag |
| Gln 186 | Glu 954 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 57687.5 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 1315.1 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 417.2 | |
| All* | Total formula weight | 59419.9 |
