PDBe 4kq2

X-ray diffraction
2.95Å resolution

Glucose1,2cyclic phosphate bound activated state of Yeast Glycogen Synthase

Released:

Function and Biology Details

Reaction catalysed:
UDP-alpha-D-glucose + ((1->4)-alpha-D-glucosyl)(n) = UDP + ((1->4)-alpha- D-glucosyl)(n+1). 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glycogen [starch] synthase isoform 2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 724 amino acids
Theoretical weight: 82.06 KDa
Source organism: Saccharomyces cerevisiae FostersO
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P27472 (Residues: 1-705; Coverage: 100%)
Gene names: GSY2, L8479.8, YLR258W
Sequence domains: Glycogen synthase
Structure domains: Glycogen Phosphorylase B;

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: I222
Unit cell:
a: 193.49Å b: 203.978Å c: 206.307Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.227 0.224 0.271
Expression system: Escherichia coli BL21(DE3)