GRAMD2A

GRAM domain containing 2A Q8IUY3 GRM2A_HUMAN
Protein Coding Chr 15 15q23 Swiss-Prot reviewed Entrez 196996
Mutations
175
CL 27 · Tissue 147
Samples
158
CL 22 · Tissue 135
Peptides
131
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
Mutations17527147
Samples15822135
Peptides13118115

Function

GRAMD2A · GRAM domain containing 2A

Enables phosphatidylinositol-4,5-bisphosphate binding activity. Involved in endoplasmic reticulum-plasma membrane tethering and regulation of store-operated calcium entry. Located in organelle membrane contact site. Is extrinsic component of cytoplasmic side of plasma membrane and intrinsic component of endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

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
ENST00000309731 Q8IUY3 175 131

Gene Properties

Type
Protein Coding
Chromosome
15
Cytoband
15q23
Entrez ID
Aliases
GRAMD2

Recurrent Mutations

All 131 amino-acid changes on canonical ENST00000309731 · 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 GRAMD2A · 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 GRAMD2A – 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
Melanoma
6/210 3%
33/1899 2%
Endometrial Carcinoma
2/42 5%
5/612 1%
Glioblastoma
1/98 1%
0/0 0%
Cervical Carcinoma
0/35 0%
4/422 1%
Other Sarcomas
2/69 3%
4/699 1%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Gastric Carcinoma
2/74 3%
8/1809 0%
Hepatocellular Carcinoma
0/46 0%
11/2210 0%
Colorectal Carcinoma
2/143 1%
13/3239 0%
Glioma
0/52 0%
8/2127 0%
Non-Small Cell Lung Carcinoma
1/304 0%
5/1390 0%
Prostate Carcinoma
0/13 0%
6/2105 0%
Esophageal Carcinoma
0/23 0%
2/769 0%
Pancreatic Carcinoma
0/89 0%
4/1611 0%
Thyroid Gland Carcinoma
1/45 2%
3/1592 0%
B-Cell Non-Hodgkins Lymphoma
2/88 2%
4/2534 0%
Non-Cancerous
0/104 0%
2/830 0%
Bladder Carcinoma
0/58 0%
2/956 0%
Other Solid Cancers
0/94 0%
3/1515 0%
Breast Carcinoma
2/144 1%
4/3264 0%
Ovarian Carcinoma
0/109 0%
2/998 0%
Neuroblastoma
0/87 0%
2/1331 0%
Neuroendocrine Tumour
0/154 0%
1/577 0%
Esophageal Squamous Cell Carcinoma
1/51 2%
2/2550 0%
Squamous Cell Lung Carcinoma
0/57 0%
1/810 0%
Head and Neck Carcinoma
0/85 0%
2/1574 0%
Biliary Tract Carcinoma
0/54 0%
1/950 0%
Kidney Carcinoma
0/85 0%
1/1862 0%
Other Blood Cancers
0/61 0%
1/2725 0%
B-Lymphoblastic Leukemia
0/55 0%
1/2640 0%

Mutation Distribution

Where GRAMD2A is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in GRAMD2A 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.

Mutations

All 175 mutations in GRAMD2A

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