TRMT9B

TRNA methyltransferase 9B (putative) Q9P272 TRM9B_HUMAN
Protein Coding Chr 8 8p22 Swiss-Prot reviewed Entrez 57604
Mutations
407
CL 77 · Tissue 319
Samples
263
CL 55 · Tissue 203
Peptides
203
unique mutant peptides
Transcripts
5
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
Mutations40777319
Samples26355203
Peptides20340165

Function

TRMT9B · TRNA methyltransferase 9B (putative)

Enables tRNA methyltransferase activity. Predicted to be involved in tRNA wobble uridine modification. Predicted to be active in cytoplasm and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

Isoforms & Proteins

5 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
ENST00000524591 Q9P272 305 186
ENST00000447063 F6XBY7* 53 39
ENST00000400069 Q9P272-3 24 15
ENST00000528753 Q9P272-3 24 15
ENST00000647452 A0AAG2TM35* 1 1

Gene Properties

Type
Protein Coding
Chromosome
8
Cytoband
8p22
Entrez ID
Aliases
C8orf79KIAA1456TRM9LhTRM9L

Recurrent Mutations

All 186 amino-acid changes on canonical ENST00000524591 · 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 TRMT9B · 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 TRMT9B – 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
Chronic Myelogenous Leukemia
2/25 8%
0/0 0%
Gastrointestinal Stromal Tumour
0/0 0%
6/133 5%
Acute Myeloid Leukemia
4/90 4%
0/0 0%
T-Cell Non-Hodgkins Lymphoma
1/26 4%
0/0 0%
Endometrial Carcinoma
3/42 7%
13/612 2%
Chondrosarcoma
2/14 14%
0/75 0%
Melanoma
0/210 0%
34/1899 2%
Non-Small Cell Lung Carcinoma
12/304 4%
11/1390 1%
Other Solid Cancers
0/94 0%
18/1515 1%
Gastric Carcinoma
4/74 5%
16/1809 1%
Germ Cell Tumour
2/25 8%
0/169 0%
Colorectal Carcinoma
5/143 4%
21/3239 1%
Small Cell Lung Carcinoma
0/9 0%
5/752 1%
Ewings Sarcoma
2/63 3%
0/262 0%
Bladder Carcinoma
0/58 0%
6/956 1%
Plasma Cell Myeloma
2/44 5%
0/305 0%
Neuroendocrine Tumour
4/154 3%
0/577 0%
Esophageal Carcinoma
1/23 4%
3/769 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
13/2550 1%
Head and Neck Carcinoma
0/85 0%
8/1574 1%
Ovarian Carcinoma
3/109 3%
2/998 0%
Cervical Carcinoma
0/35 0%
2/422 0%
Glioma
1/52 2%
8/2127 0%
Biliary Tract Carcinoma
0/54 0%
4/950 0%
Meningioma
0/3 0%
1/252 0%
Squamous Cell Lung Carcinoma
0/57 0%
3/810 0%
Other Blood Cancers
0/61 0%
8/2725 0%
Breast Carcinoma
0/144 0%
10/3264 0%
Pancreatic Carcinoma
1/89 1%
3/1611 0%
Non-Cancerous
0/104 0%
2/830 0%

Mutation Distribution

Where TRMT9B is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in TRMT9B 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.

Mutations

All 407 mutations in TRMT9B

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