MPST

Mercaptopyruvate sulfurtransferase P25325 THTM_HUMAN
Protein Coding Chr 22 22q12.3 Swiss-Prot reviewed Entrez 4357
Mutations
783
CL 132 · Tissue 639
Samples
168
CL 56 · Tissue 110
Peptides
111
unique mutant peptides
Transcripts
7
isoforms mutated

Stats by Source

Total, split by cell line (COSMIC CL / DepMap / PubMed) vs tissue (COSMIC primary tissue)

How the counts split by source
Stats by Source

Total = all mutations for this gene across every source.

Cell line = COSMIC Cell Lines Project + DepMap + PubMed.

Tissue = COSMIC primary-tissue (patient tumour) samples.

Total can exceed cell line + tissue: COSMIC tissue-derived models sit only in global, and a peptide can be shared across both.

TotalCell lineTissue
Mutations783132639
Samples16856110
Peptides1113182

Function

MPST · Mercaptopyruvate sulfurtransferase

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].

Isoforms & Proteins

7 transcripts · UniProt mapping is sequence-verified (AA-safe)

About the isoform mapping
Isoforms & Proteins

Each Ensembl transcript (ENST) this gene is mutated on, with its matched UniProt accession.

The mapping is sequence-verified: the UniProt sequence is identical to the transcript translation, so amino-acid positions line up exactly. A * marks an unreviewed (TrEMBL) entry.

Counts are mutations and unique mutant peptides on each transcript.

TranscriptUniProtMutationsPeptides
ENST00000429360 P25325-2 168 105
ENST00000397225 P25325 119 88
ENST00000341116 P25325 118 87
ENST00000401419 P25325 118 87
ENST00000404802 P25325 118 87
ENST00000404393 B1AH49* 71 56
ENST00000628507 B1AH49* 71 56

Gene Properties

Type
Protein Coding
Chromosome
22
Cytoband
22q12.3
Entrez ID
Aliases
MSTTST2TUM1

Recurrent Mutations

All 105 amino-acid changes on canonical ENST00000429360 · needle height = samples · drag the mini-map to zoom

What this lollipop shows
Recurrent Mutations

A lollipop / needle plot – the standard way to show recurrent mutations along a protein (as used by cBioPortal and MutationMapper).

X-axis = amino-acid position in the protein.

Needle height & head size = how often that exact amino-acid change was observed (its recurrence). Tall/large heads are mutational hotspots.

The most recurrent changes are labelled; hover any needle for the change, position and counts.

Mutation frequency across cancer types

% of samples with a missense/complex mutation in MPST · cell line vs tissue

How this frequency is counted
Cancer-type mutation frequency

For each cancer type, the fraction of samples that carry at least one missense/complex mutation anywhere in MPST – counted as distinct samples (a sample counts once no matter how many mutations it has).

Split into cell line and tissue; each cell shows mutated / total and the percentage. Cohorts with <20 samples are omitted. Ordered by combined frequency.

Cancer typeCell linesTissue samples
T-Lymphoblastic Leukemia
7/40 18%
0/0 0%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Rhabdomyosarcoma
1/33 3%
2/171 1%
Burkitts Lymphoma
1/32 3%
2/196 1%
Acute Myeloid Leukemia
1/90 1%
0/0 0%
Thyroid Gland Carcinoma
0/45 0%
17/1592 1%
Glioblastoma
1/98 1%
0/0 0%
Ewings Sarcoma
3/63 5%
0/262 0%
Endometrial Carcinoma
3/42 7%
2/612 0%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Neuroendocrine Tumour
5/154 3%
0/577 0%
Melanoma
0/210 0%
14/1899 1%
Cervical Carcinoma
1/35 3%
2/422 0%
Other Solid Cancers
1/94 1%
9/1515 1%
Esophageal Squamous Cell Carcinoma
1/51 2%
13/2550 1%
Non-Small Cell Lung Carcinoma
6/304 2%
3/1390 0%
Small Cell Lung Carcinoma
0/9 0%
4/752 1%
Osteosarcoma
1/45 2%
0/166 0%
Squamous Cell Lung Carcinoma
3/57 5%
1/810 0%
Mesothelioma
1/62 2%
0/165 0%
Gastric Carcinoma
1/74 1%
7/1809 0%
Colorectal Carcinoma
6/143 4%
8/3239 0%
Head and Neck Carcinoma
1/85 1%
5/1574 0%
Non-Cancerous
2/104 2%
1/830 0%
Biliary Tract Carcinoma
0/54 0%
3/950 0%
Medulloblastoma
0/0 0%
1/450 0%
Breast Carcinoma
4/144 3%
2/3264 0%
B-Lymphoblastic Leukemia
1/55 2%
3/2640 0%
Kidney Carcinoma
1/85 1%
2/1862 0%
Prostate Carcinoma
0/13 0%
3/2105 0%

Mutation Distribution

Where MPST is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in MPST were found in each tissue, across the whole database.

Each bar is a tissue (cell-line and tissue names are merged to the standard tissue), split into cell line and tissue (patient tumour) contributions.

This shows the cancer-context where this gene is recurrently altered.

GTEx Expression

Median TPM across 54 healthy tissues

GTEx Portal ↗
About the expression data
GTEx Expression

Median gene expression (TPM) in normal, non-cancer human tissues from the GTEx project.

Useful for judging tumour specificity – a strong neoantigen target ideally comes from a gene with low expression in healthy tissues.

Scroll or drag the mini-axis below the chart to browse all tissues.

Mutations

All 783 mutations in MPST

About the mutation list
Mutations

Every mutation record for this gene, across all samples and sources.

The Sample column links to the cell line (cell-line samples) or the tissue type (tissue samples).

Use the Type / Source filters, the search box, and column sorting to explore; each CAN-IMMUNE ID opens the full mutation & peptide view.

IDSampleTranscriptAA Change CDSTypeSourceMutant PeptideWild-type Peptide