1lt8

X-ray diffraction
2.05Å resolution

Reduced Homo sapiens Betaine-Homocysteine S-Methyltransferase in Complex with S-(delta-carboxybutyl)-L-Homocysteine

Released:

Function and Biology Details

Reaction catalysed:
Trimethylammonioacetate + L-homocysteine = dimethylglycine + L-methionine
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-187980 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Betaine--homocysteine S-methyltransferase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 406 amino acids
Theoretical weight: 44.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q93088 (Residues: 1-406; Coverage: 100%)
Gene name: BHMT
Sequence domains: Homocysteine S-methyltransferase
Structure domains: Homocysteine-binding-like domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: C2
Unit cell:
a: 109.702Å b: 90.836Å c: 88.403Å
α: 90° β: 122.28° γ: 90°
R-values:
R R work R free
0.236 0.226 0.255
Expression system: Escherichia coli BL21(DE3)