LMPD Database

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LMP010721

UniProt Annotations

Entry Information
Gene Nameoxysterol-binding protein-related protein 3A
Protein EntryORP3A_ARATH
UniProt IDQ9LZM1
SpeciesArabidopsis
Comments
Comment typeDescription
Disruption PhenotypeUnfertilized ovules, but normal pollen tube attraction. {ECO:0000269|PubMed:15634699}.
FunctionOxysterol-binding protein that may be involved in the transport of sterols between the ER and the Golgi. Binds beta- sitosterol. Required for ovule fertilization. {ECO:0000269|PubMed:15634699, ECO:0000269|PubMed:19207211}.
InteractionQ9SHC8:PVA12; NbExp=3; IntAct=EBI-2292648, EBI-2292633;
SimilarityBelongs to the OSBP family. {ECO:0000305}.
Subcellular LocationEndoplasmic reticulum {ECO:0000269|PubMed:19207211}. Golgi apparatus {ECO:0000269|PubMed:19207211}. Note=Interaction with PVA12 is necessary for targeting to the ER. Located in the Golgi in the absence of interaction with PVA12.
SubunitInteracts with PVA12. {ECO:0000269|PubMed:19207211}.
Tissue SpecificityExpressed in roots, leaves, stems, flowers and pollen. {ECO:0000269|PubMed:16897474}.