LMPD Database

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LMP009875

UniProt Annotations

Entry Information
Gene Nameaspartic proteinase A1
Protein EntryAPA1_ARATH
UniProt IDO65390
SpeciesArabidopsis
Comments
Comment typeDescription
Biophysicochemical PropertiespH dependence: Optimum pH is 5.0-6.0 with insulin B chain as substrate and at 37 degrees Celsius. {ECO:0000269|PubMed:20079503};
FunctionInvolved in the breakdown of propeptides of storage proteins in protein-storage vacuoles (By similarity). Possesses aspartic protease activity in vitro. {ECO:0000250, ECO:0000269|PubMed:20079503}.
InductionBy light and during senescence. {ECO:0000269|PubMed:12230581, ECO:0000269|PubMed:12947053}.
SimilarityBelongs to the peptidase A1 family. {ECO:0000305}.
SimilarityContains 1 saposin B-type domain. {ECO:0000255|PROSITE-ProRule:PRU00415}.
Subcellular LocationVacuole {ECO:0000269|PubMed:17012602}. Note=Located in protein storage vacuoles (PSV) of the embryo.
Tissue SpecificityExpressed in roots, leaves, stems, petals, carpels, seed pods and dry seeds. {ECO:0000269|PubMed:12230581}.