Protein
Acylamino-acid-releasing enzyme
Organism
Arabidopsis thaliana
Function
Catalyzes the hydrolysis of the N-terminal peptide bond of an N-acetylated peptide to generate an N-acetylated amino acid and a peptide with a free N-terminus. Can degrade the glycated RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase) protein but not the native protein. May be involved in the elimination of glycated proteins (PubMed:12966075). Plays a homeostatic role in sustaining the cytoplasmic antioxidative system. May contribute to the elimination of the oxidized proteins in the cytoplasm (PubMed:22398639).
Similarity
Belongs to the peptidase S9C family.
Sequence
MDSSGTDSAKELHVGLDPTTEEEYATQSKLLQEFINIPSIDKAWIFNSDSGSQAMFALSQANLLANKKKKFMLSGHISNESNQSVNFHWAPFPIEMTGASAFVPSPSGLKLLVIRNPENESPTKFEIWNSSQLEKEFHIPQKVHGSVYVDGWFEGISWDSDETHVAYVAEEPSRPKPTFDHLGYYKKENSLDKGIGSWKGEGDWEEEWGEAYAGKRQPALFVINVDSGEVEPIKGIPRSISVGQVVWSPNSNGSAQYLVFAGWLGDKRKFGIKYCYNRPCAIYAIKFTSDEPKDDDANEFPIHNLTKSISSGFCPRFSKDGKFLVFVSAKTAVDSGAHWATESLHRIDWPSDGKLPESTNIVDVIQVVNCPKDGCFPGLYVTGLLSDPWLSDGHSLMLSTYWRSCRVILSVNLLSGEVSRASPSDSDYSWNALALDGDSIVAVSSSPVSVPEIKYGKKGLDSAGKPSWLWSNIQSPIRYSEKVMAGLSSLQFKILKVPISDVSEGLAEGAKNPIEAIYVSSSKSKENGKCDPLIAVLHGGPHSVSPCSFSRTMAYLSSIGYSQLIINYRGSLGYGEDALQSLPGKVGSQDVKDCLLAVDHAIEMGIADPSRITVLGGSHGGFLTTHLIGQAPDKFVAAAARNPVCNMASMVGITDIPDWCFFEAYGDQSHYTEAPSAEDLSRFHQMSPISHISKVKTPTLFLLGTKDLRVPISNGFQYVRALKEKGVEVKVLVFPNDNHPLDRPQTDYESFLNIAVWFNKYCKL