PDBe 3h9k

X-ray diffraction
2.65Å resolution

Structures of Thymidylate Synthase R163K with Substrates and Inhibitors Show Subunit Asymmetry

Source organism: Homo sapiens

Function and Biology Details

Reaction catalysed:
5,10-methylenetetrahydrofolate + dUMP = dihydrofolate + dTMP
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Thymidylate synthase Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 313 amino acids
Theoretical weight: 35.73 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P04818 (Residues: 1-313; Coverage: 100%)
Gene names: OK/SW-cl.29, TS, TYMS
Sequence domains: Thymidylate synthase
Structure domains: Thymidylate synthase/dCMP hydroxymethylase domain

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: C2
Unit cell:
a: 200.284Å b: 122.19Å c: 99.828Å
α: 90° β: 115.18° γ: 90°
R R work R free
0.214 0.214 0.26
Expression system: Escherichia coli