MRI1

Methylthioribose-1-phosphate isomerase 1 Q9BV20 MTNA_HUMAN
Protein Coding Chr 19 19p13.13 Swiss-Prot reviewed Entrez 84245
Mutations
247
CL 38 · Tissue 193
Samples
141
CL 29 · Tissue 104
Peptides
116
unique mutant peptides
Transcripts
2
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
Mutations24738193
Samples14129104
Peptides1162295

Function

MRI1 · Methylthioribose-1-phosphate isomerase 1

This enzyme functions in the methionine salvage pathway by catalyzing the interconversion of methylthioribose-1-phosphate and methythioribulose-1-phosphate. Elevated expression of the encoded protein is associated with metastatic melanoma and this protein promotes melanoma cell invasion independent of its enzymatic activity. Mutations in this gene may be associated with vanishing white matter disease (VMWD). [provided by RefSeq, Jul 2016].

Isoforms & Proteins

2 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
ENST00000040663 Q9BV20 139 107
ENST00000319545 Q9BV20-2 108 86

Gene Properties

Type
Protein Coding
Chromosome
19
Cytoband
19p13.13
Entrez ID
Aliases
M1PiMRDIMTNAYpr118w

Recurrent Mutations

All 107 amino-acid changes on canonical ENST00000040663 · 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 MRI1 · 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 MRI1 – 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
3/40 8%
0/0 0%
Acute Myeloid Leukemia
2/90 2%
0/0 0%
Ewings Sarcoma
1/63 2%
2/262 1%
Mesothelioma
2/62 3%
0/165 0%
Biliary Tract Carcinoma
1/54 2%
7/950 1%
Melanoma
3/210 1%
10/1899 1%
Endometrial Carcinoma
3/42 7%
1/612 0%
Thyroid Gland Carcinoma
0/45 0%
10/1592 1%
Squamous Cell Lung Carcinoma
2/57 4%
2/810 0%
Hepatocellular Carcinoma
0/46 0%
10/2210 0%
Colorectal Carcinoma
1/143 1%
14/3239 0%
Cervical Carcinoma
0/35 0%
2/422 0%
Head and Neck Carcinoma
2/85 2%
5/1574 0%
Gastric Carcinoma
0/74 0%
7/1809 0%
Neuroblastoma
0/87 0%
5/1331 0%
Other Solid Cancers
0/94 0%
5/1515 0%
Breast Carcinoma
4/144 3%
6/3264 0%
Plasma Cell Myeloma
0/44 0%
1/305 0%
Neuroendocrine Tumour
1/154 1%
1/577 0%
Ovarian Carcinoma
1/109 1%
2/998 0%
Small Cell Lung Carcinoma
0/9 0%
2/752 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
5/2550 0%
Esophageal Carcinoma
0/23 0%
1/769 0%
Other Sarcomas
0/69 0%
1/699 0%
Non-Small Cell Lung Carcinoma
0/304 0%
2/1390 0%
B-Cell Non-Hodgkins Lymphoma
1/88 1%
2/2534 0%
Non-Cancerous
1/104 1%
0/830 0%
Bladder Carcinoma
0/58 0%
1/956 0%
Kidney Carcinoma
0/85 0%
2/1862 0%
Glioma
1/52 2%
1/2127 0%

Mutation Distribution

Where MRI1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in MRI1 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 247 mutations in MRI1

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