PDBe 4qg9

X-ray diffraction
2.38Å resolution

crystal structure of PKM2-R399E mutant

Source organism: Homo sapiens
Primary publication:
Structural insight into mechanisms for dynamic regulation of PKM2.
OpenAccess logo Protein Cell (2015)
PMID: 25645022

Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Pyruvate kinase PKM Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 535 amino acids
Theoretical weight: 58.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P14618 (Residues: 1-531; Coverage: 100%)
Gene names: OIP3, PK2, PK3, PKM, PKM2
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P21
Unit cell:
a: 95.632Å b: 71.18Å c: 170.289Å
α: 90° β: 104.25° γ: 90°
R R work R free
0.212 0.21 0.256
Expression system: Escherichia coli