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DPP4

Anti-DPP4 Recombinant Antibody Products

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For Research Use Only. Not For Clinical Use.


DPP4 is a gene encoding a cell surface protease involved in the regulation of various physiological processes, including glucose metabolism and immune regulation. DPP4 cleaves peptides such as incretins, which are hormones that enhance insulin secretion in response to meals. In addition to its role in diabetes and metabolic disorders, DPP4 is involved in immune cell function, influencing T cell activation and the inflammatory response. It is also a receptor for the Middle East respiratory syndrome coronavirus (MERS-CoV), making it relevant in infectious disease research.
DPP4
Protein class

CD markers, Enzymes, FDA approved drug targets, Plasma proteins

Predicted location

Intracellular, Secreted (different isoforms)

Single cell type specificity

Cell type enhanced (Proximal enterocytes, Syncytiotrophoblasts, Cytotrophoblasts, Proximal tubular cells)

Immune cell specificity

Immune cell enhanced (MAIT T-cell)

Cell line specificity

Cell line enhanced (ASC diff, ASC TERT1, BJ hTERT+, RPTEC TERT1)

Interaction

Monomer. Homodimer (PubMed:12832764, PubMed:15448155, PubMed:17287217, PubMed:12646248, PubMed:12483204, PubMed:12906826). Heterodimer with Seprase (FAP) (PubMed:16651416). Requires homodimerization for optimal dipeptidyl peptidase activity and T-cell costimulation. Found in a membrane raft complex, at least composed of BCL10, CARD11, DPP4 and IKBKB (PubMed:17287217). Associates with collagen (PubMed:8526932). Interacts with PTPRC; the interaction is enhanced in an interleukin-12-dependent manner in activated lymphocytes (PubMed:12676959). Interacts (via extracellular domain) with ADA; does not inhibit its dipeptidyl peptidase activity (PubMed:15016824, PubMed:10951221, PubMed:14691230, PubMed:7907293, PubMed:8101391). Interacts with CAV1 (via the N-terminus); the interaction is direct (PubMed:17287217). Interacts (via cytoplasmic tail) with CARD11 (via PDZ domain); its homodimerization is necessary for interaction with CARD11 (PubMed:17287217). Interacts with IGF2R; the interaction is direct (PubMed:10900005). Interacts with GPC3 (PubMed:17549790). Interacts with human coronavirus-EMC spike protein and acts as a receptor for this virus (PubMed:23486063). (Microbial infection) Interacts with MERS coronavirus/MERS-CoV spike protein.

Molecular function

Aminopeptidase, Hydrolase, Protease, Receptor, Serine protease

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