3QHM
Crystal analysis of the complex structure, E342A-cellotetraose, of endocellulase from pyrococcus horikoshii
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 (A, B, C) | 458aa long hypothetical endo-1,4-beta-glucanase | polymer | 458 | 51924.8 | 3 | UniProt (O58925) Pfam (PF00150) | Pyrococcus horikoshii | endoglucanase |
2 | D, E, G (D, E, G) | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 666.6 | 3 | In PDB BIRD (PRD_900011) GlyTouCan (G00025MO) | beta-cellotetraose | ||
3 | F (F) | beta-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900005) GlyTouCan (G84824ZO) | beta-cellobiose | ||
4 | H, I, J (A, B, C) | water | water | 18.0 | 206 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 458 (UniProt: O58925)
PDB | External Database | Details |
---|---|---|
Ala 342 | Glu 342 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 155774.5 | |
Branched | Number of molecules | 4 |
Total formula weight | 2342.0 | |
All* | Total formula weight | 158116.6 |