Protein
Phospholipase A1-Ibeta2, chloroplastic
Organism
Arabidopsis thaliana
Function
Acylhydrolase that catalyzes the hydrolysis of phosphatidylcholine at the sn-1 position. Has a strong galactolipase activity toward digalactosyldiacylglycerol (DGDG). Hydrolyzes triacylglycerol (TAG), but has a low activity toward phosphatidylcholine (PC) and monogalactosyldiacylglycerol (MGDG).
Similarity
Belongs to the AB hydrolase superfamily. Lipase family.
Sequence
MQTLTPNADIFHAKRRRFTCNTHTSTLIPTKPLSVSPARKTNKEHLRNLENVLRTSSNSIDHIENVTSRQEKTTKNTSTSSLLGGLNLARIWPQMKAAVDEMSPKNLKRLQRLLSKSSEERSPKSKLGSKWRELHGLNNWAGLLDPLDENLRRELVRYGEFVQAAYHAFHSDPEGSPRHVALPDGSFKVTKSLYATSSVRLPKWIDDVAPDLRWMTKQTSWVGYVAVCDDPREIRRMGRREIVIALRGTATLLEWSENFRPNLVSMPEPKPDQSDPTRPKVECGFNSLYTTGDQHAPSLAESLVGEISRLVELYAGEELSISVTGHSLGAAIALLAADDIAERVPHAPPVAVFSFGGPRVGNREFADRLDSKGVKVLRVVNSQDVVTKVPGIFADNDKQGQSRNNGRSPGGIMEMVERNNPWAYSHVGAELRVDMKMSPYLKPNADVACCHDLEAYLHLVDGFLASNCPFRANAKRSLRKLLDEQRSNVKVLYTGKSLRLNRTFHDNGDVLPSPSSS