› 1h5v

X-ray diffraction
1.1Å resolution

Thiopentasaccharide complex of the endoglucanase Cel5A from Bacillus agaradharens at 1.1 A resolution in the tetragonal crystal form

Released:
DOI: 10.2210/pdb1h5v/pdb
PDB entry 1h5v coloured by chain, front view.
PDB entry 1h5v coloured by chain, side view.
PDB entry 1h5v coloured by chain, top view.
Source organism: Salipaludibacillus agaradhaerens
Primary publication:
Atomic resolution structure of endoglucanase Cel5A in complex with methyl 4,4II,4III,4IV-tetrathio-alpha-cellopentoside highlights the alternative binding modes targeted by substrate mimics.
Varrot A, Schülein M, Fruchard S, Driguez H, Davies GJ
Acta Crystallogr D Biol Crystallogr 57 1739-42 (2001)
PMID: 11679762

Function and Biology Details

Reaction catalysed: 
Endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-131438 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Endoglucanase 5A Chain: A
Molecule details ›
Chain: A
Length: 304 amino acids
Theoretical weight: 34.12 KDa
Source organism: Salipaludibacillus agaradhaerens
Expression system: Bacillus subtilis
UniProt:
  • Canonical: O85465 (Residues: 27-330; Coverage: 81%)
Gene name: cel5A
Sequence domains: Cellulase (glycosyl hydrolase family 5)
Structure domains: Glycosidases

Ligands and Environments

Carbohydrate polymer : NEW Components: MA3, SGC, SSG, GLC
Ligand MA3 1 x MA3
Ligand SGC 2 x SGC
Ligand SSG 1 x SSG
Ligand GLC 1 x GLC
2 bound ligands:
Ligand CA 10 x CA
Ligand NA 2 x NA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P43212
Unit cell:
a: 75.169Å b: 75.169Å c: 135.471Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.121 0.12 0.138
Expression system: Bacillus subtilis

Quick links

Citations

6 citation in other articles

Computational analyses of the catalytic and heparin-binding sites and their interactions with glycosaminoglycans in glycoside hydrolase family 79 endo-β-D-glucuronidase (heparanase).
Gandhi et al. (2012)
5 more

9 mentions without citation

The carbohydrate-active enzymes database (CAZy) in 2013.
Lombard et al. (2014)
8 more