SYN2

Synapsin II Q92777 SYN2_HUMAN
Protein Coding Chr 3 3p25.2 Swiss-Prot reviewed Entrez 6854
Mutations
341
CL 84 · Tissue 252
Samples
193
CL 57 · Tissue 132
Peptides
159
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
Mutations34184252
Samples19357132
Peptides15942117

Function

SYN2 · Synapsin II

This gene is a member of the synapsin gene family. Synapsins encode neuronal phosphoproteins which associate with the cytoplasmic surface of synaptic vesicles. Family members are characterized by common protein domains, and they are implicated in synaptogenesis and the modulation of neurotransmitter release, suggesting a potential role in several neuropsychiatric diseases. This member of the synapsin family encodes a neuron-specific phosphoprotein that selectively binds to small synaptic vesicles in the presynaptic nerve terminal. Polymorphisms in this gene are associated with abnormal presynaptic function and related neuronal disorders, including autism, epilepsy, bipolar disorder and schizophrenia. Alternative splicing of this gene results in multiple transcript variants. The tissue inhibitor of metalloproteinase 4 gene is located within an intron of this gene and is transcribed in the opposite direction. [provided by RefSeq, Feb 2014].

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
ENST00000621198 Q92777 203 150
ENST00000620175 Q92777-2 138 114

Gene Properties

Type
Protein Coding
Chromosome
3
Cytoband
3p25.2
Entrez ID
Aliases
SYNII

Recurrent Mutations

All 150 amino-acid changes on canonical ENST00000621198 · 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 SYN2 · 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 SYN2 – 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
3/40 8%
0/0 0%
Endometrial Carcinoma
4/42 10%
13/612 2%
Glioblastoma
1/98 1%
0/0 0%
Melanoma
3/210 1%
17/1899 1%
Colorectal Carcinoma
11/143 8%
20/3239 1%
Burkitts Lymphoma
2/32 6%
0/196 0%
Bladder Carcinoma
0/58 0%
8/956 1%
Gastric Carcinoma
2/74 3%
12/1809 1%
Other Sarcomas
3/69 4%
2/699 0%
Non-Small Cell Lung Carcinoma
4/304 1%
7/1390 0%
Plasma Cell Myeloma
2/44 5%
0/305 0%
Other Solid Cancers
1/94 1%
8/1515 1%
Hepatocellular Carcinoma
0/46 0%
11/2210 0%
Ovarian Carcinoma
3/109 3%
1/998 0%
Squamous Cell Lung Carcinoma
0/57 0%
3/810 0%
Prostate Carcinoma
1/13 8%
5/2105 0%
Small Cell Lung Carcinoma
0/9 0%
2/752 0%
Esophageal Carcinoma
0/23 0%
2/769 0%
Thyroid Gland Carcinoma
0/45 0%
4/1592 0%
Neuroblastoma
3/87 3%
0/1331 0%
Breast Carcinoma
2/144 1%
5/3264 0%
Biliary Tract Carcinoma
0/54 0%
2/950 0%
B-Cell Non-Hodgkins Lymphoma
2/88 2%
3/2534 0%
B-Lymphoblastic Leukemia
4/55 7%
1/2640 0%
Head and Neck Carcinoma
1/85 1%
2/1574 0%
Glioma
1/52 2%
3/2127 0%
Kidney Carcinoma
2/85 2%
1/1862 0%
Non-Cancerous
0/104 0%
1/830 0%
Other Blood Cancers
2/61 3%
1/2725 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
2/2550 0%

Mutation Distribution

Where SYN2 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in SYN2 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 341 mutations in SYN2

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