2qtl

X-ray diffraction
1.9Å resolution

Crystal Structure of the FAD-containing FNR-like Module of Human Methionine Synthase Reductase

Released:

Function and Biology Details

Reaction catalysed:
2 [methionine synthase]-methylcob(III)alamin + 2 S-adenosyl-L-homocysteine + NADP(+) = 2 [methionine synthase]-cob(II)alamin + NADPH + 2 S-adenosyl-L-methionine
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-193654 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methionine synthase reductase Chain: A
Molecule details ›
Chain: A
Length: 539 amino acids
Theoretical weight: 60.07 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9UBK8 (Residues: 165-698; Coverage: 77%)
Gene name: MTRR
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 1 x FAD
No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P21
Unit cell:
a: 52.641Å b: 67.298Å c: 78.817Å
α: 90° β: 107.69° γ: 90°
R-values:
R R work R free
0.187 0.184 0.232
Expression system: Escherichia coli BL21(DE3)