LMPD Database

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LMP010823

UniProt Annotations

Entry Information
Gene Nameinositol phosphorylceramide synthase 3
Protein EntryIPCS3_ARATH
UniProt IDQ56Y01
SpeciesArabidopsis
Comments
Comment typeDescription
Alternative ProductsEvent=Alternative splicing; Named isoforms=3; Name=1; IsoId=Q56Y01-1; Sequence=Displayed; Name=2; IsoId=Q56Y01-2; Sequence=VSP_044382, VSP_044383; Note=No experimental confirmation available.; Name=3; IsoId=Q56Y01-3; Sequence=VSP_044380, VSP_044381; Note=No experimental confirmation available.;
FunctionCatalyzes the transfer of the phosphorylinositol group from phosphatidylinositol (PI) to phytoceramide, an essential step in sphingolipid biosynthesis. {ECO:0000269|PubMed:20309609}.
Sequence CautionSequence=BX820662; Type=Frameshift; Positions=9; Evidence={ECO:0000305};
SimilarityBelongs to the sphingomyelin synthase family. {ECO:0000305}.
Subcellular LocationMembrane {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
Tissue SpecificityMostly expressed in stems and flowers, and, to a lower extent, in leaves, roots and siliques. {ECO:0000269|PubMed:20309609}.