Anti-CD13/ANPEP Picoband® Antibody (monoclonal, 5B9)

Membrane alanyl aminopeptidase (EC 3.4.11.2) also known as alanyl aminopeptidase (AAP) or aminopeptidase N (AP-N) is an enzyme that in humans is encoded by the ANPEP gene. It is mapped to 15q26.1. Aminopeptidase N is located in the small-intestinal and renal microvillar membrane, and also in other plasma membranes. In the small intestine aminopeptidase N plays a role in the final digestion of peptides generated from hydrolysis of proteins by gastric and pancreatic proteases. Its function in proximal tubular epithelial cells and other cell types is less clear. The large extracellular carboxyterminal domain contains a pentapeptide consensus sequence characteristic of members of the zinc-binding metalloproteinase superfamily. Sequence comparisons with known enzymes of this class showed that CD13 and aminopeptidase N are identical. The latter enzyme was thought to be involved in the metabolism of regulatory peptides by diverse cell types, including small intestinal and renal tubular epithelial cells, macrophages, granulocytes, and synaptic membranes from the CNS. Human aminopeptidase N is a receptor for one strain of human coronavirus that is an important cause of upper respiratory tract infections. Defects in this gene appear to be a cause of various types of leukemia or lymphoma.

Cancer, Cell Biology, Cell Death, Metabolism, Metabolism Processes, Neurodegenerative Disease, Neurology Process, Neuroscience, Organelles, Pathways and Processes, Signal Transduction, Subcellular Markers, Tags & Cell Markers

1. Delmas, B., Gelfi, J., L'Haridon, R., Vogel, L. K., Sjostrom, H., Noren, O., Laude, H. Aminopeptidase N is a major receptor for the enteropathogenic coronavirus TGEV. Nature 357: 417-420, 1992. 2. Kruse, T. A., Bolund, L., Grzeschik, K.-H., Ropers, H. H., Olsen, J., Sjostrom, H., Noren, O. Assignment of the human aminopeptidase N (peptidase E) gene to chromosome 15q13-qter. FEBS Lett. 239: 305-308, 1988. 3. Look, A. T., Ashmun, R. A., Shapiro, L. H., Peiper, S. C. Human myeloid plasma membrane glycoprotein CD13 (gp150) is identical to aminopeptidase N. J. Clin. Invest. 83: 1299-1307, 1989.

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.