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2j71

X-ray diffraction
1.69Å resolution

alpha-glucan recognition by a family 41 carbohydrate-binding module from Thermotoga maritima pullulanase PulA

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->6)-alpha-D-glucosidic linkages in pullulan, amylopectinand glycogen, and in the alpha- and beta-limit dextrins of amylopectinand glycogen.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128507 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pullulanase Chain: A
Molecule details ›
Chain: A
Length: 103 amino acids
Theoretical weight: 12.08 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O33840 (Residues: 18-120; Coverage: 12%)
Gene names: TM_1845, pulA
Sequence domains: Bacterial pullanase-associated domain
Structure domains: Immunoglobulin-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
Spacegroup: R32
Unit cell:
a: 112.504Å b: 112.504Å c: 83.739Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.207 0.205 0.24
Expression system: Escherichia coli BL21(DE3)