› 6fcx

X-ray diffraction
2.5Å resolution

Structure of human 5,10-methylenetetrahydrofolate reductase (MTHFR)

Released:
DOI: 10.2210/pdb6fcx/pdb
PDB entry 6fcx coloured by chain, front view.
PDB entry 6fcx coloured by chain, side view.
PDB entry 6fcx coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structural basis for the regulation of human 5,10-methylenetetrahydrofolate reductase by phosphorylation and S-adenosylmethionine inhibition.
Froese DS, Kopec J, Rembeza E, Bezerra GA, Oberholzer AE, Suormala T, Lutz S, Chalk R, Borkowska O, Baumgartner MR, Yue WW
Nat Commun 9 2261 (2018)
PMID: 29891918

Function and Biology Details

Reaction catalysed: 
5-methyltetrahydrofolate + NADP(+) = 5,10-methylenetetrahydrofolate + NADPH
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-154911 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methylenetetrahydrofolate reductase (NADPH) Chains: A, B
Molecule details ›
Chains: A, B
Length: 615 amino acids
Theoretical weight: 70.55 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P42898 (Residues: 37-644; Coverage: 93%)
Gene name: MTHFR
Sequence domains: Methylenetetrahydrofolate reductase

Ligands and Environments

3 bound ligands:
Ligand FAD 2 x FAD
Ligand SAH 2 x SAH
Ligand CIT 2 x CIT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04-1
Spacegroup: P212121
Unit cell:
a: 97.337Å b: 127.942Å c: 147.015Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.21 0.248
Expression system: Spodoptera frugiperda

Quick links

Citations

5 review citations

A Review of Small-Molecule Inhibitors of One-Carbon Enzymes: SHMT2 and MTHFD2 in the Spotlight.
Cuthbertson et al. (2021)
4 more

11 mentions without citation

New insights into the nutritional genomics of adult-onset riboflavin-responsive diseases.
Murgia et al. (2023)
10 more