KRT77

Keratin 77 Q7Z794 K2C1B_HUMAN
Protein Coding Chr 12 12q13.13 Swiss-Prot reviewed Entrez 374454
Mutations
335
CL 42 · Tissue 290
Samples
296
CL 42 · Tissue 251
Peptides
214
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
Mutations33542290
Samples29642251
Peptides21431189

Function

KRT77 · Keratin 77

Keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into epithelial keratins and hair keratins. This gene encodes an epithelial keratin that is expressed in the skin and eccrine sweat glands. The type II keratins are clustered in a region of chromosome 12q13.[provided by RefSeq, Jun 2009].

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
ENST00000341809 Q7Z794 335 214

Gene Properties

Type
Protein Coding
Chromosome
12
Cytoband
12q13.13
Entrez ID
Aliases
K1BKRT1B

Recurrent Mutations

All 214 amino-acid changes on canonical ENST00000341809 · 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 KRT77 · 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 KRT77 – 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
2/40 5%
0/0 0%
Gastrointestinal Stromal Tumour
0/0 0%
6/133 5%
Hodgkins Lymphoma
4/16 25%
0/122 0%
Endometrial Carcinoma
2/42 5%
15/612 2%
Unknown
0/10 0%
1/29 3%
Thymic Epithelial Tumor
0/0 0%
1/39 3%
Melanoma
3/210 1%
41/1899 2%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Osteosarcoma
3/45 7%
0/166 0%
Colorectal Carcinoma
8/143 6%
35/3239 1%
Non-Small Cell Lung Carcinoma
10/304 3%
11/1390 1%
Squamous Cell Lung Carcinoma
3/57 5%
7/810 1%
Bladder Carcinoma
0/58 0%
11/956 1%
Other Solid Cancers
0/94 0%
15/1515 1%
Cervical Carcinoma
0/35 0%
4/422 1%
Plasma Cell Myeloma
1/44 2%
2/305 1%
Gastric Carcinoma
0/74 0%
14/1809 1%
Small Cell Lung Carcinoma
0/9 0%
5/752 1%
Esophageal Squamous Cell Carcinoma
0/51 0%
16/2550 1%
Mesothelioma
0/62 0%
1/165 1%
Medulloblastoma
0/0 0%
2/450 0%
Thyroid Gland Carcinoma
0/45 0%
7/1592 0%
Neuroendocrine Tumour
0/154 0%
3/577 1%
Biliary Tract Carcinoma
0/54 0%
4/950 0%
Other Sarcomas
0/69 0%
3/699 0%
Glioma
0/52 0%
8/2127 0%
Head and Neck Carcinoma
0/85 0%
6/1574 0%
Non-Cancerous
0/104 0%
3/830 0%
Hepatocellular Carcinoma
0/46 0%
7/2210 0%
Prostate Carcinoma
1/13 8%
5/2105 0%

Mutation Distribution

Where KRT77 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in KRT77 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 53 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 335 mutations in KRT77

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