TARBP1

TRNA guanosine 2 -O-methyltransferase TARBP1 Q13395 TARB1_HUMAN
Protein Coding Chr 1 1q42.2 Swiss-Prot reviewed Entrez 6894
Mutations
574
CL 103 · Tissue 454
Samples
521
CL 95 · Tissue 415
Peptides
419
unique mutant peptides
Transcripts
1
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
Mutations574103454
Samples52195415
Peptides41972348

Function

TARBP1 · TRNA guanosine 2 -O-methyltransferase TARBP1

HIV-1, the causative agent of acquired immunodeficiency syndrome (AIDS), contains an RNA genome that produces a chromosomally integrated DNA during the replicative cycle. Activation of HIV-1 gene expression by the transactivator Tat is dependent on an RNA regulatory element (TAR) located downstream of the transcription initiation site. This element forms a stable stem-loop structure and can be bound by either the protein encoded by this gene or by RNA polymerase II. This protein may act to disengage RNA polymerase II from TAR during transcriptional elongation. Alternatively spliced transcripts of this gene may exist, but their full-length natures have not been determined. [provided by RefSeq, Jul 2008].

Isoforms & Proteins

1 transcript · 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
ENST00000040877 Q13395 574 419

Gene Properties

Type
Protein Coding
Chromosome
1
Cytoband
1q42.2
Entrez ID
Aliases
TRM3TRMT3TRP-185TRP185

Recurrent Mutations

All 419 amino-acid changes on canonical ENST00000040877 · 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 TARBP1 · 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 TARBP1 – 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
6/40 15%
0/0 0%
Endometrial Carcinoma
10/42 24%
25/612 4%
Gastrointestinal Stromal Tumour
0/0 0%
5/133 4%
Melanoma
7/210 3%
59/1899 3%
Bladder Carcinoma
2/58 3%
21/956 2%
Squamous Cell Lung Carcinoma
1/57 2%
17/810 2%
Non-Small Cell Lung Carcinoma
14/304 5%
20/1390 1%
Rhabdomyosarcoma
3/33 9%
1/171 1%
Gastric Carcinoma
1/74 1%
34/1809 2%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Cervical Carcinoma
1/35 3%
7/422 2%
Ovarian Carcinoma
8/109 7%
11/998 1%
Biliary Tract Carcinoma
1/54 2%
13/950 1%
Colorectal Carcinoma
7/143 5%
40/3239 1%
Burkitts Lymphoma
0/32 0%
3/196 2%
Non-Cancerous
4/104 4%
8/830 1%
Acute Myeloid Leukemia
1/90 1%
0/0 0%
Neuroendocrine Tumour
6/154 4%
2/577 0%
Head and Neck Carcinoma
0/85 0%
15/1574 1%
Medulloblastoma
0/0 0%
4/450 1%
Mesothelioma
2/62 3%
0/165 0%
Breast Carcinoma
4/144 3%
24/3264 1%
Esophageal Squamous Cell Carcinoma
0/51 0%
21/2550 1%
Meningioma
1/3 33%
1/252 0%
Small Cell Lung Carcinoma
0/9 0%
5/752 1%
Ewings Sarcoma
1/63 2%
1/262 0%
Other Solid Cancers
0/94 0%
10/1515 1%
Kidney Carcinoma
2/85 2%
10/1862 1%
Thyroid Gland Carcinoma
0/45 0%
10/1592 1%
Prostate Carcinoma
2/13 15%
10/2105 0%

Mutation Distribution

Where TARBP1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in TARBP1 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 574 mutations in TARBP1

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