Which is the  subcellular localization of ERAP2?
['The human endoplasmic reticulum aminopeptidase (ERAP) 1 and 2 proteins ', 'They are categorized as a unique class of proteases based on their subcellular localization on the luminal side of the endoplasmic reticulum. ', 'endoplasmic reticulum aminopeptidase 2 (ERAP2) ', 'ERAP2 is a proteolytic enzyme set in the endoplasmic reticulum (ER) ', 'both A-LAP and L-RAP are retained in the endoplasmic reticulum']
['Endoplasmic reticulum aminopeptidase 2 (ERAP2) is localized to the luminal side of the endoplasmic reticulum.']
['luminal side of the endoplasmic reticulum']