UNC45B

Unc-45 myosin chaperone B Q8IWX7 UN45B_HUMAN
Protein Coding Chr 17 17q12 Swiss-Prot reviewed Entrez 146862
Mutations
1,881
CL 305 · Tissue 1,567
Samples
634
CL 129 · Tissue 502
Peptides
472
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
Mutations1,8813051,567
Samples634129502
Peptides47295399

Function

UNC45B · Unc-45 myosin chaperone B

This gene encodes a co-chaperone required for folding and accumulation of type II myosins. The protein consists of three tetratricopeptide repeat motifs at the N-terminus that form a complex with heat shock protein 90, a central region of unknown function that is conserved in all Unc-45 proteins, and a C-terminal Unc-45/Cro1/She4 domain. The protein is expressed at high levels in striated muscle, where its muscle myosin chaperone activity is dependent on heat shock protein 90 acting as a co-chaperone. A missense mutation in this gene has been associated with cataract development. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015].

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
ENST00000394570 Q8IWX7-3 689 460
ENST00000268876 Q8IWX7 623 444
ENST00000591048 Q8IWX7-2 569 403

Gene Properties

Type
Protein Coding
Chromosome
17
Cytoband
17q12
Entrez ID
Aliases
CMYA4CTRCT43MFM11SMUNC45UNC-45BUNC45

Recurrent Mutations

All 460 amino-acid changes on canonical ENST00000394570 · 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 UNC45B · 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 UNC45B – 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%
T-Cell Non-Hodgkins Lymphoma
2/26 8%
0/0 0%
Endometrial Carcinoma
6/42 14%
25/612 4%
Melanoma
14/210 7%
70/1899 4%
Other Solid Cancers
4/94 4%
55/1515 4%
Non-Small Cell Lung Carcinoma
22/304 7%
40/1390 3%
Colorectal Carcinoma
18/143 13%
76/3239 2%
Acute Myeloid Leukemia
2/90 2%
0/0 0%
Squamous Cell Lung Carcinoma
4/57 7%
15/810 2%
Hodgkins Lymphoma
2/16 12%
1/122 1%
Neuroendocrine Tumour
10/154 6%
5/577 1%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Small Cell Lung Carcinoma
0/9 0%
14/752 2%
Other Sarcomas
4/69 6%
9/699 1%
Gastric Carcinoma
1/74 1%
29/1809 2%
Gastrointestinal Stromal Tumour
0/0 0%
2/133 2%
Osteosarcoma
3/45 7%
0/166 0%
Bladder Carcinoma
0/58 0%
13/956 1%
Non-Cancerous
1/104 1%
11/830 1%
Hepatocellular Carcinoma
1/46 2%
26/2210 1%
Glioblastoma
1/98 1%
0/0 0%
Mesothelioma
0/62 0%
2/165 1%
Glioma
0/52 0%
18/2127 1%
Biliary Tract Carcinoma
1/54 2%
6/950 1%
Esophageal Carcinoma
0/23 0%
5/769 1%
Esophageal Squamous Cell Carcinoma
2/51 4%
13/2550 1%
Breast Carcinoma
2/144 1%
17/3264 1%
Pancreatic Carcinoma
2/89 2%
7/1611 0%
Germ Cell Tumour
0/25 0%
1/169 1%

Mutation Distribution

Where UNC45B is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in UNC45B 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 1,881 mutations in UNC45B

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