Gene Gene information from NCBI Gene database.
Entrez ID 2760
Gene name Ganglioside GM2 activator
Gene symbol GM2A
Synonyms (NCBI Gene)
GM2-APGM2APSAP-3
Chromosome 5
Chromosome location 5q33.1
Summary This gene encodes a small glycolipid transport protein which acts as a substrate specific co-factor for the lysosomal enzyme beta-hexosaminidase A. Beta-hexosaminidase A, together with GM2 ganglioside activator, catalyzes the degradation of the gangliosid
SNPs SNP information provided by dbSNP.
8
SNP ID Visualize variation Clinical significance Consequence
rs104893892 G>A,C,T Pathogenic Intron variant, coding sequence variant, missense variant
rs104893897 G>T Pathogenic Coding sequence variant, stop gained
rs137852797 T>C Pathogenic Coding sequence variant, missense variant
rs587779405 C>- Pathogenic Coding sequence variant, frameshift variant
rs730882196 C>T Pathogenic-likely-pathogenic, likely-pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
467
miRTarBase ID miRNA Experiments Reference
MIRT710373 hsa-miR-1306-5p HITS-CLIP 19536157
MIRT710372 hsa-miR-1224-3p HITS-CLIP 19536157
MIRT710371 hsa-miR-205-5p HITS-CLIP 19536157
MIRT710370 hsa-miR-578 HITS-CLIP 19536157
MIRT476321 hsa-miR-4695-5p PAR-CLIP 23592263
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
SP1 Unknown 10987359
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
34
GO ID Ontology Definition Evidence Reference
GO:0001573 Process Ganglioside metabolic process IEA
GO:0004563 Function Beta-N-acetylhexosaminidase activity IEA
GO:0005319 Function Lipid transporter activity IBA
GO:0005319 Function Lipid transporter activity IEA
GO:0005515 Function Protein binding IPI 28514442, 33961781
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
613109 4367 ENSG00000196743
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P17900
Protein name Ganglioside GM2 activator (Cerebroside sulfate activator protein) (GM2-AP) (Sphingolipid activator protein 3) (SAP-3) [Cleaved into: Ganglioside GM2 activator isoform short]
Protein function The large binding pocket can accommodate several single chain phospholipids and fatty acids, GM2A also exhibits some calcium-independent phospholipase activity (By similarity). Binds gangliosides and stimulates ganglioside GM2 degradation. It st
PDB 1G13 , 1PU5 , 1PUB , 1TJJ , 2AF9 , 2AG2 , 2AG4 , 2AG9
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02221 E1_DerP2_DerF2 33 190 ML domain Domain
Sequence
Sequence length 193
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Sphingolipid metabolism
Lysosome
  Glycosphingolipid metabolism
Neutrophil degranulation
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
21
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Tay-Sachs disease Pathogenic rs587779405 RCV000087094
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Tay-Sachs disease, variant AB Pathogenic; Likely pathogenic rs587779405, rs1302210667, rs775585062, rs137852797, rs104893892, rs2127240813, rs104893897, rs2114032531, rs2531756555, rs2531757415, rs1057519022, rs1057519021, rs1753894328 RCV002247494
RCV003771940
RCV001782204
RCV000000421
RCV000000422
View all (8 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cervical cancer Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Chronic lymphocytic leukemia/small lymphocytic lymphoma Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CHRONIC OBSTRUCTIVE PULMONARY DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Anxiety Anxiety Disorder HPO_DG
★☆☆☆☆
Found in Text Mining only
Breast Carcinoma Breast Carcinoma BEFREE 27002480
★☆☆☆☆
Found in Text Mining only
Breast Neoplasms Breast neoplasm Pubtator 27002480 Associate
★☆☆☆☆
Found in Text Mining only
Carcinoma, Neuroendocrine Carcinoma BEFREE 25816011
★☆☆☆☆
Found in Text Mining only
Cerebral atrophy Cerebral Atrophy HPO_DG
★☆☆☆☆
Found in Text Mining only
Chronic Obstructive Airway Disease Chronic Obstructive Pulmonary Disease GWASCAT_DG 30804561
★☆☆☆☆
Found in Text Mining only
Dementia Dementia HPO_DG
★☆☆☆☆
Found in Text Mining only
Dental Caries Dental caries Pubtator 30518349 Associate
★☆☆☆☆
Found in Text Mining only
Developmental regression Developmental regression HPO_DG
★☆☆☆☆
Found in Text Mining only
Dwarfism Dwarfism HPO_DG
★☆☆☆☆
Found in Text Mining only