C6orf203

Mitochondrial transcription rescue factor 1 Q9P0P8 MRES1_HUMAN
Swiss-Prot reviewed
Mutations
232
CL 30 · Tissue 199
Samples
78
CL 10 · Tissue 67
Peptides
68
unique mutant peptides
Transcripts
3
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
Mutations23230199
Samples781067
Peptides68859

Function

C6orf203 · Mitochondrial transcription rescue factor 1

Mitochondrial RNA-binding protein involved in mitochondrial transcription regulation. Functions as a protective factor to maintain proper mitochondrial RNA level during stress. Acts at the transcription level and its protective function depends on its RNA binding ability (PubMed:31226201). Part of a mitoribosome-associated quality control pathway that prevents aberrant translation by responding to interruptions during elongation (PubMed:31396629, PubMed:33243891). As heterodimer with MTRF, ejects the unfinished nascent chain and peptidyl transfer RNA (tRNA), respectively, from stalled ribosomes. Recruitment of mitoribosome biogenesis factors to these quality control intermediates suggests additional roles for MTRES1 and MTRF during mitoribosome rescue (PubMed:33243891)

Isoforms & Proteins

3 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
ENST00000625458 A0A0D9SEI0* 78 67
ENST00000311381 Q9P0P8 77 66
ENST00000405204 Q9P0P8 77 66

Gene Properties

Recurrent Mutations

All 66 amino-acid changes on canonical ENST00000311381 · 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 C6orf203 · 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 C6orf203 – 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
Chondrosarcoma
0/14 0%
1/75 1%
Endometrial Carcinoma
0/42 0%
6/612 1%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Hodgkins Lymphoma
1/16 6%
0/122 0%
Melanoma
1/210 0%
9/1899 0%
Colorectal Carcinoma
0/143 0%
16/3239 0%
Non-Small Cell Lung Carcinoma
3/304 1%
5/1390 0%
Burkitts Lymphoma
0/32 0%
1/196 1%
Other Solid Cancers
1/94 1%
5/1515 0%
Squamous Cell Lung Carcinoma
0/57 0%
3/810 0%
Gastric Carcinoma
1/74 1%
5/1809 0%
Plasma Cell Myeloma
0/44 0%
1/305 0%
Medulloblastoma
0/0 0%
1/450 0%
Bladder Carcinoma
0/58 0%
2/956 0%
Glioma
0/52 0%
4/2127 0%
Other Sarcomas
1/69 1%
0/699 0%
Small Cell Lung Carcinoma
0/9 0%
1/752 0%
Hepatocellular Carcinoma
1/46 2%
2/2210 0%
Head and Neck Carcinoma
0/85 0%
2/1574 0%
Prostate Carcinoma
0/13 0%
2/2105 0%
B-Cell Non-Hodgkins Lymphoma
1/88 1%
0/2534 0%
Breast Carcinoma
0/144 0%
1/3264 0%

Mutation Distribution

Where C6orf203 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in C6orf203 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 232 mutations in C6orf203

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