6j34

X-ray diffraction
1.5Å resolution

Crystal Structure of maltotriose-complex of PulA from Klebsiella pneumoniae

Released:
Source organism: Klebsiella pneumoniae

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-197832 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
pullulanase Chain: A
Molecule details ›
Chain: A
Length: 1053 amino acids
Theoretical weight: 114.46 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: W9BQ28 (Residues: 50-1102; Coverage: 96%)
Gene names: SAMEA3512100_03461, pulA
Sequence domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: C2
Unit cell:
a: 148.891Å b: 60.119Å c: 133.829Å
α: 90° β: 114.69° γ: 90°
R-values:
R R work R free
0.132 0.13 0.161
Expression system: Escherichia coli BL21