Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
SDP1_ARATH | developmental stage | Transcript levels increase at the beginning of seed maturation and remain high until seed desiccation is completed. High levels early in seed imbibition, but decline as the seed germinates. |
SDP1_ARATH | function | Involved in the release of fatty acids from the oil body in germinating seedlings (PubMed:16473965, PubMed:19136267, PubMed:27466365). Can hydrolyze triacylglycerols and diacylglycerols but not monoacylglycerols, phospholipids, galactolipids or cholesterol esters (PubMed:16473965, PubMed:19136267). SDP1 lipase activity is required to limit triacylglycerol accumulation in roots, leaves and stems, which are vegetative tissues (PubMed:23686420). Functions synergistically with PDAT1 in regulating fatty acid flow from membrane lipid synthesis toward peroxisomal beta-oxidation through a transient triacylglycerol pool (PubMed:25293755). |
SDP1_ARATH | similarity | Belongs to the PLPL family. |
SDP1_ARATH | subcellular location | Associates with the oil body membrane (PubMed:16473965). Migrates from peroxisomes to the oil body surface through peroxisomal tubulation (PubMed:25775518). |
SDP1_ARATH | tissue specificity | Expressed in roots, leaves and stems. |
Function
Gene Ontology
cellular component | |
---|---|
peroxisome | ECO |
monolayer-surrounded lipid storage body | ECO |
membrane | ECO |
molecular function | |
triacylglycerol lipase activity | ECO |
biological process | |
glycerol metabolic process | ECO |
triglyceride metabolic process | ECO |
triglyceride catabolic process | ECO |
Interactions
Interaction Network
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