SGPP2

SGPP2

Target · Lipid phosphatase

SGPP2 Sphingosine-1-phosphate phosphatase 2 · SPP2

SGPP2 (sphingosine-1-phosphate phosphatase 2, also known as SPP2 or FLJ39004) is an endoplasmic reticulum membrane enzyme that removes the phosphate group from sphingoid base 1-phosphates. By degrading sphingosine 1-phosphate (S1P), it links sphingolipid recycling to cell signalling. Browse Assay Genie's current range of SGPP2 research reagents below, or read on for the biology behind the target.

Endoplasmic reticulum membraneSphingoid base phosphataseInduced in inflammation
399 aa
Protein length
~45 kDa
Molecular weight
2q36.1
Gene locus
EC 3.1.3.-
Enzyme class
Target information

What is SGPP2 (sphingosine-1-phosphate phosphatase 2)?

SGPP2 is a phosphohydrolase with specific activity towards sphingoid base 1-phosphates. In vitro it shows high activity against dihydrosphingosine-1-phosphate and sphingosine-1-phosphate (S1P). This activity is needed for efficient recycling of sphingosine into the sphingolipid synthesis pathway. Because it degrades S1P, a bioactive signalling molecule, SGPP2 may also help attenuate intracellular S1P signalling.

The SGPP2 gene encodes a transmembrane protein that localises to the endoplasmic reticulum membrane. It belongs to the type 2 lipid phosphate phosphatase family and is classed by HGNC in the sphingosine-1-phosphate phosphatases gene group, alongside SGPP1. Alternative splice variants encoding different isoforms have been reported for the gene. The mouse ortholog is Sgpp2.

Beyond lipid recycling, SGPP2 has been linked to inflammation and cell stress. The protein is induced during inflammatory responses, and UniProt notes that it may play a role in pro-inflammatory signalling. It also contributes to the regulation of endoplasmic reticulum stress and proliferation in pancreatic islet beta cells. NCBI Gene reports that SGPP2 expression is downregulated by the microRNA-31 tumour suppressor. These features make the SGPP2 protein a useful subject for studies of sphingolipid metabolism, inflammatory signalling and beta-cell biology.

Sphingolipid metabolism

SGPP2 dephosphorylates sphingoid base 1-phosphates, supporting the recycling of sphingosine into the sphingolipid synthesis pathway.

S1P signalling

By degrading sphingosine 1-phosphate, SGPP2 may attenuate intracellular S1P signalling, making it relevant to studies of this bioactive lipid.

Inflammation research

SGPP2 is induced during inflammatory responses and may contribute to pro-inflammatory signalling.

Pancreatic beta-cell biology

SGPP2 helps regulate endoplasmic reticulum stress and proliferation in pancreatic islet beta cells.

Background

SGPP2 frequently asked questions

What does SGPP2 do?

SGPP2 is a phosphohydrolase that acts on sphingoid base 1-phosphates, including sphingosine-1-phosphate and dihydrosphingosine-1-phosphate. Its activity supports recycling of sphingosine into sphingolipid synthesis and may attenuate intracellular S1P signalling. It also contributes to regulating endoplasmic reticulum stress and proliferation in pancreatic islet beta cells.

What other names does SGPP2 go by?

SGPP2 is the HGNC symbol for sphingosine-1-phosphate phosphatase 2. It is also known as SPP2 and FLJ39004. NCBI Gene notes that alternative splice variants encoding different isoforms have been found, so check which isoform a reagent recognises.

How is SGPP2 linked to inflammation and is it conserved?

NCBI Gene reports that SGPP2 is induced during inflammatory responses, and UniProt suggests a role in pro-inflammatory signalling. It is also downregulated by microRNA-31. A mouse ortholog, Sgpp2, exists; check the datasheet of any product for its validated reactivity.

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Related targets

The related sphingosine-1-phosphate phosphatase SGPP1 and other sphingolipid-pathway targets with products at Assay Genie.

Gene and protein annotations from HGNC, NCBI Gene and UniProt Q8IWX5; product specifications from Assay Genie datasheets.

SGPP2 Product listing