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SMPDL3A
HPA
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  • SMPDL3A
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

SMPDL3A
Synonyms ASM3A, ASML3a, FLJ20177, yR36GH4.1
Gene descriptioni

Full gene name according to HGNC.

Sphingomyelin phosphodiesterase acid like 3A
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Secreted, Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 6
Cytoband q22.31
Chromosome location (bp) 122789049 - 122809720
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

2
Ensembl ENSG00000172594 (version 109)
Entrez gene 10924
HGNC HGNC:17389
UniProt Q92484 (UniProt - Evidence at protein level)
neXtProt NX_Q92484
GeneCards SMPDL3A
Antibodypedia SMPDL3A antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Cyclic-nucleotide phosphodiesterase that acts as a negative regulator of innate immunity by mediating degradation of 2',3'-cGAMP, thereby inhibiting the cGAS-STING signaling 1. Specifically linearizes 2',3'-cGAMP into 2'5'-bond pGpA and further hydrolyzes pGpA to produce GpA 2. Also has in vitro nucleotide phosphodiesterase activity with nucleoside triphosphates, such as ATP 3, 4. Has in vitro activity with p-nitrophenyl-TMP 5. Has lower activity with nucleoside diphosphates, and no activity with nucleoside monophosphates 6, 7, 8. Has in vitro activity with CDP-choline, giving rise to CMP and phosphocholine. Has in vitro activity with CDP-ethanolamine 9. Does not have sphingomyelin phosphodiesterase activity 10, 11.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Hydrolase
Ligand (UniProt)i

Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.

Metal-binding, Zinc
Gene summary (Entrez)i

Useful information about the gene from Entrez

Enables phosphoric diester hydrolase activity and zinc ion binding activity. Involved in nucleoside triphosphate catabolic process. Located in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
SMPDL3A-201
ENSP00000357425
ENST00000368440
Q92484
[Direct mapping] Acid sphingomyelinase-like phosphodiesterase 3a
Show all
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
   DeepSig predicted secreted proteins
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004767 [sphingomyelin phosphodiesterase activity]
GO:0005515 [protein binding]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006685 [sphingomyelin catabolic process]
GO:0008081 [phosphoric diester hydrolase activity]
GO:0008270 [zinc ion binding]
GO:0009143 [nucleoside triphosphate catabolic process]
GO:0016787 [hydrolase activity]
GO:0046872 [metal ion binding]
GO:0070062 [extracellular exosome]
Show all
453 aa
51.3 kDa
Yes 0
SMPDL3A-203
ENSP00000442152
ENST00000539041
Q92484
[Direct mapping] Acid sphingomyelinase-like phosphodiesterase 3a
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0008081 [phosphoric diester hydrolase activity]
GO:0008270 [zinc ion binding]
GO:0009143 [nucleoside triphosphate catabolic process]
GO:0016787 [hydrolase activity]
GO:0046872 [metal ion binding]
GO:0070062 [extracellular exosome]
Show all
322 aa
37.3 kDa
No 0

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