BACE2

Beta-secretase 2 Q9Y5Z0 BACE2_HUMAN
Protein Coding Chr 21 21q22.2-q22.3 Swiss-Prot reviewed Entrez 25825
Mutations
573
CL 95 · Tissue 471
Samples
233
CL 55 · Tissue 173
Peptides
188
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
Mutations57395471
Samples23355173
Peptides18840153

Function

BACE2 · Beta-secretase 2

This gene encodes an integral membrane glycoprotein that functions as an aspartic protease. The encoded protein cleaves amyloid precursor protein into amyloid beta peptide, which is a critical step in the etiology of Alzheimer's disease and Down syndrome. The protein precursor is further processed into an active mature peptide. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013].

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
ENST00000330333 Q9Y5Z0 241 171
ENST00000347667 Q9Y5Z0-2 190 142
ENST00000328735 Q9Y5Z0-3 142 114

Gene Properties

Type
Protein Coding
Chromosome
21
Cytoband
21q22.2-q22.3
Entrez ID
Aliases
AEPLCALP56ASP1ASP21BAE2CDA13

Recurrent Mutations

All 171 amino-acid changes on canonical ENST00000330333 · 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 BACE2 · 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 BACE2 – 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%
Hodgkins Lymphoma
0/16 0%
5/122 4%
Endometrial Carcinoma
8/42 19%
11/612 2%
Glioblastoma
2/98 2%
0/0 0%
Non-Small Cell Lung Carcinoma
8/304 3%
13/1390 1%
Melanoma
1/210 0%
21/1899 1%
Colorectal Carcinoma
10/143 7%
23/3239 1%
Cervical Carcinoma
2/35 6%
2/422 0%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Ovarian Carcinoma
3/109 3%
4/998 0%
Bladder Carcinoma
0/58 0%
6/956 1%
Squamous Cell Lung Carcinoma
0/57 0%
5/810 1%
Other Solid Cancers
0/94 0%
9/1515 1%
Hepatocellular Carcinoma
0/46 0%
12/2210 1%
Gastric Carcinoma
0/74 0%
9/1809 0%
Osteosarcoma
1/45 2%
0/166 0%
Thyroid Gland Carcinoma
1/45 2%
6/1592 0%
Other Sarcomas
1/69 1%
2/699 0%
Prostate Carcinoma
0/13 0%
7/2105 0%
Esophageal Squamous Cell Carcinoma
1/51 2%
7/2550 0%
Head and Neck Carcinoma
0/85 0%
5/1574 0%
Plasma Cell Myeloma
0/44 0%
1/305 0%
Glioma
0/52 0%
6/2127 0%
Small Cell Lung Carcinoma
0/9 0%
2/752 0%
Esophageal Carcinoma
0/23 0%
2/769 0%
B-Cell Non-Hodgkins Lymphoma
4/88 5%
2/2534 0%
Non-Cancerous
0/104 0%
2/830 0%
Breast Carcinoma
2/144 1%
5/3264 0%
Biliary Tract Carcinoma
1/54 2%
1/950 0%
Pancreatic Carcinoma
0/89 0%
3/1611 0%

Mutation Distribution

Where BACE2 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in BACE2 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 573 mutations in BACE2

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