LMPD Database

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LMP011011

UniProt Annotations

Entry Information
Gene NameCaleosin-related family protein
Protein EntryPXG5_ARATH
UniProt IDQ9CAB8
SpeciesArabidopsis
Comments
Comment typeDescription
Catalytic ActivityRH + ROOH = ROH + ROH.
CofactorName=Ca(2+); Xref=ChEBI:CHEBI:29108; Evidence={ECO:0000250};
CofactorName=heme b; Xref=ChEBI:CHEBI:60344; Evidence={ECO:0000250}; Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group. {ECO:0000250};
DomainThe proline-knot motif (71-80) may be involved in targeting to lipid bodies.
DomainTransmembrane regions are predicted by sequence analysis tools, but these regions probably constitute hydrophobic domains associated to phospholipids.
FunctionCalcium-binding peroxygenase involved in the degradation of storage lipid in oil bodies. May be involved in the interaction between oil bodies and vacuoles during seed germination (By similarity). {ECO:0000250}.
InductionNot regulated by abscisic acid, desiccation and osmotic stress. {ECO:0000269|PubMed:11197322, ECO:0000269|PubMed:19467604}.
SimilarityBelongs to the caleosin family. {ECO:0000305}.
SimilarityContains 1 EF-hand domain. {ECO:0000305}.
Subcellular LocationLipid droplet. Microsome membrane {ECO:0000250}.
SubunitHomodimer. {ECO:0000250}.
Tissue SpecificityExpressed in roots, leaves, shoots and flowers. {ECO:0000269|PubMed:11197322, ECO:0000269|PubMed:19467604}.