2vn6

X-ray diffraction
1.49Å resolution

The Clostridium cellulolyticum dockerin displays a dual binding mode for its cohesin partner

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-148210 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
CBM3 domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 151 amino acids
Theoretical weight: 15.56 KDa
Source organism: Ruminiclostridium cellulolyticum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q45996 (Residues: 277-427; Coverage: 10%)
Gene name: cipC
Sequence domains: Cohesin domain
Structure domains: Immunoglobulin-like
Endoglucanase A Chain: B
Molecule details ›
Chain: B
Length: 64 amino acids
Theoretical weight: 7.15 KDa
Source organism: Ruminiclostridium cellulolyticum
Expression system: Escherichia coli
UniProt:
  • Canonical: P17901 (Residues: 410-473; Coverage: 14%)
Gene names: Ccel_1099, celCCA
Sequence domains: Dockerin type I domain
Structure domains: Dockerin domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P212121
Unit cell:
a: 39.291Å b: 60.476Å c: 100.725Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.176 0.21
Expression system: Escherichia coli