3axx

X-ray diffraction
1.9Å resolution

Functional analysis of hyperthermophilic endocellulase from the Archaeon Pyrococcus horikoshii

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-129785 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Glycoside hydrolase family 5 domain-containing protein Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 458 amino acids
Theoretical weight: 51.98 KDa
Source organism: Pyrococcus horikoshii OT3
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O58925 (Residues: 1-458; Coverage: 100%)
Gene name: PH1171
Sequence domains: Cellulase (glycosyl hydrolase family 5)
Structure domains: Glycosidases

Ligands and Environments

Carbohydrate polymer : NEW Components: BGC
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44XU
Spacegroup: C2
Unit cell:
a: 162.467Å b: 58.491Å c: 138.504Å
α: 90° β: 109.33° γ: 90°
R-values:
R R work R free
0.228 0.228 0.241
Expression system: Spodoptera frugiperda