Endoplasmic reticulum aminopeptidase 2 (Leukocyte-derived arginine aminopeptidase [L-RAP]) Isoforms 1 to 4_Q6P179−1 to −4; Normal tissues weak to moderate staining. Alveolar macrophages strong. Salivary gland, pancreas, cells in CNS and parathyroid neg. TB & Decidua moderate [15]. Here, ERAP2 is linked to tuberculosis.