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 | Endoglucanase | polymer | 519 | 57687.5 | 1 | UniProt (P71140) Pfam (PF12891) UniProt (by SIFTS) (A3DD30) In PDB | Clostridium thermocellum | Glycoside hydrolase, beta-1,4-endoglucanase |
2 | 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 | A | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
4 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
5 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
6 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
7 | 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 |