LMPD Database

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LMP010660

UniProt Annotations

Entry Information
Gene Namenon-specific lipid transfer protein GPI-anchored 2
Protein EntryLTPG2_ARATH
UniProt IDQ9LZH5
SpeciesArabidopsis
Comments
Comment typeDescription
Alternative ProductsEvent=Alternative splicing; Named isoforms=3; Name=1; IsoId=Q9LZH5-1; Sequence=Displayed; Name=2; IsoId=Q9LZH5-2; Sequence=VSP_053833; Note=Derived from EST data. No experimental confirmation available.; Name=3; IsoId=Q9LZH5-3; Sequence=VSP_053832; Note=No experimental confirmation available.;
Developmental StageStrongly expressed in the aerial portions and root tips of seedlings. Present in stem and leaf epidermis, including the trichomes, leaf mesophyll cells, and stem cortex and xylem. In flowers, observed in the upper portion of the styles, anther filament, and veins of the sepals and petals, silique walls and developing seeds. {ECO:0000269|PubMed:22891199}.
Disruption PhenotypeReduced cuticular wax load on the stem surface and in silique walls, with altered cuticular lipid composition (especially C29 alkane) associated with diffuse cuticular layer structure. {ECO:0000269|PubMed:22891199}.
FunctionLipid transfer protein that, together with LTPG1, binds to lipids and functions as a component of the cuticular lipid export machinery that performs extensive export of intracellular lipids (e.g. C29 alkane) from epidermal cells to the surface to build the cuticular wax layer and silique walls. {ECO:0000269|PubMed:22891199}.
PtmO-glycosylated on hydroxyprolines; noncontiguous hydroxylproline residues are glycosylated with arabinogalactan. {ECO:0000250}.
SimilarityBelongs to the plant LTP family. {ECO:0000305}.
Subcellular LocationCell membrane {ECO:0000269|PubMed:22891199}; Lipid-anchor, GPI-anchor {ECO:0000269|PubMed:22891199}. Note=Targeted to the plasma membrane via the vesicular trafficking system.
Tissue SpecificityUp-regulated in the epidermis of top stems. Expressed in roots, seedlings, leaves, stems, buds, flower and silique walls. {ECO:0000269|PubMed:16299169, ECO:0000269|PubMed:22891199}.