Function and Biology

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

Source organism: Homo sapiens
Biochemical function: sequence-specific mRNA binding
Biological process: liver regeneration
Cellular component: membrane

EC 2.1.1.45: Thymidylate synthase

Reaction catalysed:
5,10-methylenetetrahydrofolate + dUMP = dihydrofolate + dTMP
Systematic name:
5,10-methylenetetrahydrofolate:dUMP C-methyltransferase
Alternative Name(s):
  • Methylenetetrahydrofolate:dUMP C-methyltransferase
  • TMP synthetase
  • Thymidylate synthetase
  • dTMP synthase

Sequence family

Pfam Protein family (Pfam)
PF00303
Domain description: Thymidylate synthase
Occurring in:
  1. Thymidylate synthase
The deposited structure of PDB entry 3hb8 contains 5 copies of Pfam domain PF00303 (Thymidylate synthase) in Thymidylate synthase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR000398
Domain description: Thymidylate synthase
Occurring in:
  1. Thymidylate synthase
IPR023451
Domain description: Thymidylate synthase/dCMP hydroxymethylase domain
Occurring in:
  1. Thymidylate synthase
IPR036926
Domain description: Thymidylate synthase/dCMP hydroxymethylase superfamily
Occurring in:
  1. Thymidylate synthase
IPR020940
Domain description: Thymidylate synthase, active site
Occurring in:
  1. Thymidylate synthase
IPR045097
Domain description: Thymidylate synthase/dCMP hydroxymethylase
Occurring in:
  1. Thymidylate synthase

Structure domain

CATH CATH domain
3.30.572.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Thymidylate Synthase; Chain A
Homology: Thymidylate synthase/dCMP hydroxymethylase domain
Occurring in:
  1. Thymidylate synthase
The deposited structure of PDB entry 3hb8 contains 5 copies of CATH domain 3.30.572.10 (Thymidylate Synthase; Chain A) in Thymidylate synthase. Showing 1 copy in chain A.