MPST

mercaptopyruvate sulfurtransferase

Summary

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]

Known Variants31 total

rsidPosition (GRCh37)AllelesClassClinVar
rs251807834222:37,415,908A/G—uncertain significance
rs14177609922:37,417,759G/Aupstream gene variant—
rs56036360922:37,420,267C/T—uncertain significance
rs94031874622:37,420,294C/T—uncertain significance
rs102185017522:37,420,296C/A—uncertain significance
rs251808995122:37,420,345A/C—uncertain significance
rs57114176222:37,420,404G/C—uncertain significance
rs77855960022:37,420,411G/A—uncertain significance
rs20105804922:37,420,423G/T—likely benign
rs86806160022:37,420,458C/A—uncertain significance
rs76196710722:37,420,474A/T—uncertain significance
rs18410376722:37,420,504C/A—uncertain significance
rs74781361622:37,420,510A/G—not provided
rs77600162122:37,420,525G/C—uncertain significance
rs251809163622:37,420,585C/T—uncertain significance
rs86625458622:37,420,593G/A—uncertain significance
rs76099863422:37,420,653C/A—uncertain significance
rs77282868822:37,420,715G/C—uncertain significance
rs192338948022:37,420,825G/A—uncertain significance
rs575649122:37,421,702A/C——
rs14129470022:37,422,858A/Cintron variant—
rs375314322:37,423,142T/A——
rs132213629822:37,425,277C/A—uncertain significance
rs76813170522:37,425,286G/C—uncertain significance
rs14649797022:37,425,332A/G—uncertain significance
rs92052434622:37,425,364G/A—uncertain significance
rs75730264022:37,425,476A/T—uncertain significance
rs56537361622:37,425,506G/A—uncertain significance
rs192375189322:37,425,509C/T—uncertain significance
rs37734658022:37,425,517G/A—uncertain significance
rs55724883822:37,425,636C/A——

Gene information from NCBI Gene. Variant classifications from ClinVar.