1knm

X-ray diffraction
1.2Å resolution

Streptomyces lividans Xylan Binding Domain cbm13 in Complex with Lactose

Released:

Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-150766 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Endo-1,4-beta-xylanase A Chain: A
Molecule details ›
Chain: A
Length: 130 amino acids
Theoretical weight: 13.61 KDa
Source organism: Streptomyces lividans
Expression system: Escherichia coli
UniProt:
  • Canonical: P26514 (Residues: 348-477; Coverage: 30%)
Gene name: xlnA
Sequence domains: Ricin-type beta-trefoil lectin domain
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-D
Spacegroup: P212121
Unit cell:
a: 43.188Å b: 46.203Å c: 56.46Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.126 0.123 0.169
Expression system: Escherichia coli