MPST Gene Summary [Human]

This protein encoded by this gene catalyzes the transfer of a sulfur ion from 3-mercaptopyruvate to cyanide or other thiol compounds. It may be involved in cysteine degradation and cyanide detoxification. There is confusion in literature between this protein (mercaptopyruvate sulfurtransferase, MPST), which appears to be cytoplasmic, and thiosulfate sulfurtransferase (rhodanese, TST, GeneID:7263), which is a mitochondrial protein. Deficiency in MPST activity has been implicated in a rare inheritable disorder known as mercaptolactate-cysteine disulfiduria (MCDU). Alternatively spliced transcript variants encoding same or different isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]

Details

Type
Protein Coding
Official Symbol
MPST
Official Name
mercaptopyruvate sulfurtransferase [Source:HGNC Symbol;Acc:HGNC:7223]
Ensembl ID
ENSG00000128309
Bio databases IDs NCBI: 4357 Ensembl: ENSG00000128309
Aliases mercaptopyruvate sulfurtransferase, human liver rhodanese, tRNA thiouridin modification protein 1
Synonyms 3-MST, mercaptopyruvate sulfurtransferase, mercaptopyruvate sulphurtransferase, MST, TST2, TUM1
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human MPST often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • Rhodanese Homology Domain
  • 3-mercaptopyruvate sulfurtransferase
  • enzyme
  • thiosulfate sulfurtransferase
  • protein binding
  • Rhodanese-like domain
  • identical protein binding
  • RHOD

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
binds
disease
  • bipolar disorder
regulated by
regulates
  • 5-hydroxytryptamine
  • lipid
  • trans-2,3-dehydroacyl-coenzyme A
  • sulfur amino acid
  • 3-oxoacyl-coenzyme A
  • TOMM7
  • cyanate
  • 3-mercaptolactic acid
  • hydrogen sulfide
  • HIF1A
role in cell
  • stimulation
  • stimulation in

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Cytoplasm
  • Mitochondria
  • cytosol
  • mitochondrial matrix
  • neurites
  • photoreceptor outer segments

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human MPST gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • sulfur amino acid catabolic process
  • hydrogen sulfide biosynthetic process
  • kidney development
  • liver development
  • cyanate catabolic process
  • transsulfuration
  • response to toxin
  • spinal cord development

Cellular Component

Where in the cell the gene product is active
  • extracellular vesicular exosome
  • mitochondrial matrix
  • mitochondrion
  • synapse
  • neuron projection

Molecular Function

What the gene product does at the molecular level
  • identical protein binding
  • protein binding
  • thiosulfate sulfurtransferase activity
  • 3-mercaptopyruvate sulfurtransferase activity

Gene-Specific Assays for Results You Can Trust

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