4g1n

X-ray diffraction
2.3Å resolution

Function and Biology Details

Reactions catalysed:
ATP + pyruvate = ADP + phosphoenolpyruvate
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-146985 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pyruvate kinase PKM Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 518 amino acids
Theoretical weight: 56.66 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P14618 (Residues: 14-531; Coverage: 98%)
Gene names: OIP3, PK2, PK3, PKM, PKM2
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-ID-B
Spacegroup: C2
Unit cell:
a: 168.118Å b: 94.141Å c: 146.149Å
α: 90° β: 99.39° γ: 90°
R-values:
R R work R free
0.214 0.212 0.266
Expression system: Escherichia coli