PDBe 3e3n

X-ray diffraction
2.7Å resolution

The Glycogen phosphorylase b R state- AMP complex

Released:
Source organism: Oryctolagus cuniculus
Entry authors: Leonidas DD, Zographos SE, Oikonomakos NG

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glycogen phosphorylase, muscle form Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 842 amino acids
Theoretical weight: 97.52 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: P00489 (Residues: 2-843; Coverage: 100%)
Gene name: PYGM
Sequence domains: Carbohydrate phosphorylase
Structure domains: Glycogen Phosphorylase B;

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P21
Unit cell:
a: 119.019Å b: 188.079Å c: 175.913Å
α: 90° β: 108.92° γ: 90°
R-values:
R R work R free
0.195 0.192 0.256