Lysosome membrane ; Single-pass type I membrane protein . Late endosome membrane ; Single-pass type I membrane protein . Endosome, multivesicular body membrane ; Single-pass type I membrane protein .
Highly expressed in adrenal gland, thyroid gland, testis, ovary and prostate (PubMed:12359240). Moderate expression in trachea, spinal cord, stomach, colon, small intestine and spleen (PubMed:12359240, PubMed:30374053). Low expression in bone marrow, lymph node, thymus and peripheral blood lymphocytes (PubMed:12359240). Expression is detected in hematopoietic cell lines including those of myeloid, erythroid, B- and T-cell origin (PubMed:12359240).