4qlb

X-ray diffraction
2.6Å resolution

Structural Basis for the Recruitment of Glycogen Synthase by Glycogenin

Released:

Function and Biology Details

Reactions catalysed:
UDP-alpha-D-glucose + ((1->4)-alpha-D-glucosyl)(n) = UDP + ((1->4)-alpha-D-glucosyl)(n+1)
UDP-alpha-D-glucose + glycogenin = UDP + alpha-D-glucosylglycogenin
Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-124755 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Glycogen [starch] synthase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 674 amino acids
Theoretical weight: 76.69 KDa
Source organism: Caenorhabditis elegans
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9U2D9 (Residues: 1-672; Coverage: 100%)
Gene names: Y46G5A.31, gsy-1
Sequence domains: Glycogen synthase
Structure domains: Glycogen Phosphorylase B;
Glycogenin-1 Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 36 amino acids
Theoretical weight: 4.12 KDa
Source organism: Caenorhabditis elegans
Expression system: Not provided
UniProt:
  • Canonical: H2KYQ5 (Residues: 394-429; Coverage: 8%)
Gene names: F56B6.4, gyg-1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P21
Unit cell:
a: 94.59Å b: 162.88Å c: 115.79Å
α: 90° β: 95.78° γ: 90°
R-values:
R R work R free
0.18 0.179 0.224
Expression systems:
  • Escherichia coli
  • Not provided