LIPID MAPS® Gene/Proteome Database (LMPD)

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LMPD Record

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LMP010895

UniProt Annotations

Entry Information
Gene Namephospholipid:diacylglycerol acyltransferase
Protein EntryPDAT1_ARATH
UniProt IDQ9FNA9
SpeciesArabidopsis
Comments
Comment typeDescription
Catalytic ActivityPhospholipid + 1,2-diacylglycerol = lysophospholipid + triacylglycerol.
Developmental StagePeak of expression in seeds 9 days after flowering. {ECO:0000269|PubMed:20101470}.
Disruption PhenotypeNo visible phenotype. No changes in the fatty acid content and composition of seeds. Dgat1 and pdat1 double mutants produce sterile deformed pollen. {ECO:0000269|PubMed:15907694, ECO:0000269|PubMed:20040537}.
FunctionTriacylglycerol formation by an acyl-CoA independent pathway. The enzyme preferentially transfers acyl groups from the sn-2 position of a phospholipid to diacylglycerol, thus forming an sn-1-lysophospholipid. Involved in epoxy and hydroxy fatty acid accumulation in seeds. Has complementary functions with DAG1 that are essential for triacylglycerol synthesis and normal development of both seeds and pollen. {ECO:0000269|PubMed:15247387, ECO:0000269|PubMed:20040537, ECO:0000269|PubMed:20101470}.
PathwayGlycerolipid metabolism; triacylglycerol biosynthesis.
Sequence CautionSequence=AAO17787.1; Type=Erroneous initiation; Note=Translation N-terminally extended.; Evidence={ECO:0000305}; Sequence=AAO17787.1; Type=Frameshift; Positions=100; Evidence={ECO:0000305};
SimilarityBelongs to the AB hydrolase superfamily. Lipase family. {ECO:0000305}.
Subcellular LocationMembrane {ECO:0000305}; Single-pass membrane protein {ECO:0000305}.
Tissue SpecificityUbiquitous. Highest expression in young developing seeds. {ECO:0000269|PubMed:15247387, ECO:0000269|PubMed:20040537, ECO:0000269|PubMed:20101470}.