4jgt

X-ray diffraction
2.16Å resolution

Structure and kinetic analysis of H2S production by human Mercaptopyruvate Sulfurtransferase

Released:

Function and Biology Details

Reaction catalysed:
(1a) 2-oxo-3-sulfanylpropanoate + [3-mercaptopyruvate sulfurtransferase]-L-cysteine = pyruvate + [3-mercaptopyruvate sulfurtransferase]-S-sulfanyl-L-cysteine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-150427 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3-mercaptopyruvate sulfurtransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 299 amino acids
Theoretical weight: 33.5 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P25325 (Residues: 11-289; Coverage: 94%)
Gene names: MPST, TST2
Sequence domains: Rhodanese-like domain
Structure domains: Rhodanese-like domain

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: C2
Unit cell:
a: 110.737Å b: 171.859Å c: 72.984Å
α: 90° β: 117.18° γ: 90°
R-values:
R R work R free
0.187 0.186 0.22
Expression system: Escherichia coli BL21(DE3)