› 3hxt

X-ray diffraction
1.9Å resolution

Structure of human MTHFS

Released:
DOI: 10.2210/pdb3hxt/pdb
PDB entry 3hxt coloured by chain, front view.
PDB entry 3hxt coloured by chain, side view.
PDB entry 3hxt coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structural basis for the inhibition of human 5,10-methenyltetrahydrofolate synthetase by N10-substituted folate analogues.
Wu D, Li Y, Song G, Cheng C, Zhang R, Joachimiak A, Shaw N, Liu ZJ
Cancer Res 69 7294-301 (2009)
PMID: 19738041

Function and Biology Details

Reaction catalysed: 
ATP + 5-formyltetrahydrofolate = ADP + phosphate + 5,10-methenyltetrahydrofolate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-156083 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
5-formyltetrahydrofolate cyclo-ligase Chain: A
Molecule details ›
Chain: A
Length: 203 amino acids
Theoretical weight: 23.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P49914 (Residues: 1-203; Coverage: 100%)
Gene name: MTHFS
Sequence domains: 5-formyltetrahydrofolate cyclo-ligase family
Structure domains: NagB/RpiA/CoA transferase-like

Ligands and Environments

2 bound ligands:
Ligand NI 4 x NI
Ligand MG 7 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2221
Unit cell:
a: 48.705Å b: 145.122Å c: 59.218Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.21 0.25
Expression system: Escherichia coli BL21

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Citations

8 citation in other articles

Bacterial conversion of folinic acid is required for antifolate resistance.
Ogwang et al. (2011)
7 more