Bos taurus Gene: PSAP
Summary
InnateDB Gene IDBG-629915.3
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol PSAP
Gene Name Proactivator polypeptide Saposin-A Saposin-B Saposin-C Saposin-D
Synonyms
Species Bos taurus
Ensembl Gene ENSBTAG00000021499
Encoded Proteins
proactivator polypeptide
proactivator polypeptide
Protein Structure
Useful resources Stemformatics EHFPI ImmGen
Entrez Gene
Summary This gene does not have any Entrez summary - the following is the summary from its human ortholog ENSG00000197746:
This gene encodes a highly conserved glycoprotein which is a precursor for 4 cleavage products: saposins A, B, C, and D. Each domain of the precursor protein is approximately 80 amino acid residues long with nearly identical placement of cysteine residues and glycosylation sites. Saposins A-D localize primarily to the lysosomal compartment where they facilitate the catabolism of glycosphingolipids with short oligosaccharide groups. The precursor protein exists both as a secretory protein and as an integral membrane protein and has neurotrophic activities. Mutations in this gene have been associated with Gaucher disease, Tay-Sachs disease, and metachromatic leukodystrophy. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]
Gene Information
Type Protein coding
Genomic Location Chromosome 28:28123710-28157099
Strand Reverse strand
Band
Transcripts
ENSBTAT00000047021 ENSBTAP00000044260
ENSBTAT00000028655 ENSBTAP00000028655
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 0 experimentally validated interaction(s) in this database.
They are also associated with 26 interaction(s) predicted by orthology.
Predicted by orthology
Total 26 [view]
Gene Ontology

Molecular Function
Accession GO Term
GO:0005515 protein binding
Biological Process
GO:0006629 lipid metabolic process
GO:0006665 sphingolipid metabolic process
GO:0019216 regulation of lipid metabolic process
GO:0043408 regulation of MAPK cascade
GO:0048589 developmental growth
GO:0060736 prostate gland growth
GO:0060742 epithelial cell differentiation involved in prostate gland development
GO:0071310 cellular response to organic substance
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005739 mitochondrion
GO:0005764 lysosome
GO:0070062 extracellular vesicular exosome
Orthologs
Species
Homo sapiens
Mus musculus
Gene ID
Gene Order
Pathways
NETPATH
REACTOME
Platelet degranulation pathway
Glycosphingolipid metabolism pathway
Peptide ligand-binding receptors pathway
Signaling by GPCR pathway
Hemostasis pathway
Platelet activation, signaling and aggregation pathway
Response to elevated platelet cytosolic Ca2+ pathway
Signal Transduction pathway
Sphingolipid metabolism pathway
Metabolism of lipids and lipoproteins pathway
GPCR ligand binding pathway
Metabolism pathway
Class A/1 (Rhodopsin-like receptors) pathway
KEGG
INOH
PID NCI
Pathway Predictions based on Human Orthology Data
NETPATH
REACTOME
Platelet degranulation pathway
Response to elevated platelet cytosolic Ca2+ pathway
Peptide ligand-binding receptors pathway
Class A/1 (Rhodopsin-like receptors) pathway
Glycosphingolipid metabolism pathway
Sphingolipid metabolism pathway
Metabolism of lipids and lipoproteins pathway
Signaling by GPCR pathway
Platelet activation, signaling and aggregation pathway
Signal Transduction pathway
GPCR ligand binding pathway
Metabolism pathway
Hemostasis pathway
Platelet degranulation pathway
Hemostasis pathway
Signaling by GPCR pathway
Class A/1 (Rhodopsin-like receptors) pathway
Glycosphingolipid metabolism pathway
Metabolism pathway
Sphingolipid metabolism pathway
Platelet activation, signaling and aggregation pathway
Metabolism of lipids and lipoproteins pathway
GPCR ligand binding pathway
Peptide ligand-binding receptors pathway
Response to elevated platelet cytosolic Ca2+ pathway
Signal Transduction pathway
KEGG
Lysosome pathway
Lysosome pathway
INOH
PID NCI
Cross-References
SwissProt
TrEMBL
UniProt Splice Variant
Entrez Gene
UniGene Bt.42764
RefSeq NM_174161
HUGO
OMIM
CCDS
HPRD
IMGT
EMBL
GenPept
RNA Seq Atlas