GTF3C1

General transcription factor IIIC subunit 1 Q12789 TF3C1_HUMAN
Protein Coding Chr 16 16p12.1 Swiss-Prot reviewed Entrez 2975
Mutations
2,233
CL 338 · Tissue 1,866
Samples
1,035
CL 188 · Tissue 832
Peptides
877
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
Mutations2,2333381,866
Samples1,035188832
Peptides877149746

Function

GTF3C1 · General transcription factor IIIC subunit 1

Predicted to contribute to DNA binding activity. Predicted to be involved in 5S class rRNA transcription by RNA polymerase III and transcription initiation from RNA polymerase III promoter. Located in nucleolus and nucleoplasm. Part of transcription factor TFIIIC complex. [provided by Alliance of Genome Resources, Apr 2022]

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
ENST00000356183 Q12789 1,190 867
ENST00000561623 Q12789-3 1,043 813

Gene Properties

Type
Protein Coding
Chromosome
16
Cytoband
16p12.1
Entrez ID
Aliases
TFIIICTFIIIC220TFIIICalpha

Recurrent Mutations

All 867 amino-acid changes on canonical ENST00000356183 · 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 GTF3C1 · 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 GTF3C1 – 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
12/40 30%
0/0 0%
Chronic Myelogenous Leukemia
4/25 16%
0/0 0%
Endometrial Carcinoma
15/42 36%
50/612 8%
Oral Cavity Carcinoma
5/54 9%
0/0 0%
Melanoma
20/210 10%
90/1899 5%
Non-Small Cell Lung Carcinoma
17/304 6%
64/1390 5%
Gastric Carcinoma
4/74 5%
70/1809 4%
Squamous Cell Lung Carcinoma
7/57 12%
26/810 3%
Colorectal Carcinoma
19/143 13%
109/3239 3%
Cervical Carcinoma
0/35 0%
16/422 4%
Small Cell Lung Carcinoma
0/9 0%
26/752 3%
Other Solid Cancers
3/94 3%
48/1515 3%
Bladder Carcinoma
2/58 3%
30/956 3%
Glioblastoma
3/98 3%
0/0 0%
Pheochromocytoma and Paraganglioma
0/0 0%
2/71 3%
Neuroendocrine Tumour
9/154 6%
9/577 2%
Chondrosarcoma
2/14 14%
0/75 0%
Acute Myeloid Leukemia
2/90 2%
0/0 0%
Hodgkins Lymphoma
2/16 12%
1/122 1%
Head and Neck Carcinoma
3/85 4%
33/1574 2%
Esophageal Squamous Cell Carcinoma
3/51 6%
43/2550 2%
Ovarian Carcinoma
10/109 9%
9/998 1%
Hepatocellular Carcinoma
0/46 0%
34/2210 2%
Thyroid Gland Carcinoma
4/45 9%
20/1592 1%
Plasma Cell Myeloma
4/44 9%
1/305 0%
Other Sarcomas
7/69 10%
4/699 1%
Esophageal Carcinoma
0/23 0%
11/769 1%
Medulloblastoma
0/0 0%
6/450 1%
Biliary Tract Carcinoma
1/54 2%
12/950 1%
Glioma
0/52 0%
26/2127 1%

Mutation Distribution

Where GTF3C1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in GTF3C1 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 2,233 mutations in GTF3C1

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