D4943
Dipeptidyl Peptidase IV human
recombinant, expressed in baculovirus infected Sf9 cells, pkg of ≥1.0 units/vial, ≥10 units/mg protein
Sinonimo/i:
CD26, DPPIV, Dipeptidyl aminopeptidase IV, Glycoprotein GP110
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About This Item
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54
Prodotti consigliati
Ricombinante
expressed in baculovirus infected Sf9 cells
Livello qualitativo
Stato
solution
Attività specifica
≥10 units/mg protein
PM
105 kDa
Confezionamento
pkg of ≥1.0 units/vial
N° accesso UniProt
Condizioni di spedizione
wet ice
Temperatura di conservazione
−20°C
Informazioni sul gene
human ... DPP4(1803)
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Descrizione generale
C-terminal histidine-tagged. Soluble form (residues 29-766) MW 105 kDa
Applicazioni
Human dipeptidyl peptidase IV has been used to study interactive hemodynamic effects of its inhibition and angiotensin-converting enzyme inhibition in humans. Human dipeptidyl peptidase IV has also been used in a study that informed the understanding of Hymenoptera venom allergies.
The enzyme from Sigma has been used to study the LC-MS (liquid chromatography-mass spectrometry) based assay method for DPP-IV inhibitor screening and substrate discovery.
Azioni biochim/fisiol
DPPIV has a post-proline dipeptidyl aminopeptidase activity that hydrolyzes N-terminal dipeptides from the unsubstituted N-terminus of peptides with the sequence of X-Pro-Z and X-Ala-Z. The optimum pH is found to be 7.4-8.7. DPPIV is involved in the regulation of several important physiological processes such as immune functions, inflammation, CNS, endocrine functions, bone marrow mobilization, cancer growth, cell adhesion, glucose hemostasis and sepsis/severe infection.
DPPIV has a post-proline dipeptidyl aminopeptidase activity that hydrolyzes N-terminal dipeptides from the unsubstituted N-terminus of peptides with the sequence of X-Pro-Z and X-Ala-Z. Where X is a nonspecific residue at the N terminus and Z cannot be proline or hydroxyproline.
Native DPPIV is a ubiquitous type II transmembrane glycoprotein and a serine protease of the S9 prolyl-oligopeptidase family. In vivo, it is synthesized with a signal peptide, which functions as the membrane anchoring domain. There is an 88% sequence homology between the human and porcine kidney enzymes. Both exist as homodimers with a subunit molecular weight of ~30 kDa. The high mannose 100 kDa DPPIV precursor is processed in the Golgi to yield a 124 kDa heavily N-and O-linked mature glycoprotein. It is then sorted to the apical membrane through the concerted action of both N- and O-linked glycans and its association with lipid microdomains. The porcine enzyme contains 18.3% carbohydrates, which the glycan composition is 0.9% fucose, 3.4% mannose, 5.1% galactose, 8.2% glucosamine, and 0.7% sialic acid. DPPIV is highly expressed on endothelial cells, epithelial cells, and lymphocytes. It is also present in plasma in its soluble form.
Definizione di unità
One unit will produce 1.0 μmole of p-nitroaniline from Gly-L-Pro p-nitroanilide per min in 100 mM Tris-HCl at pH 7.6 at 37 °C.
Stato fisico
Supplied as a solution in 10 mM Tris-HCl, pH 7.6, 200 mM NaCl, 1 mM EDTA and 10% glycerol.
Altre note
View more information on Dipeptidyl Peptidase IV at www.sigma-aldrich.com/enzymeexplorer.
Inibitore
N° Catalogo
Descrizione
Determinazione del prezzo
Substrato
N° Catalogo
Descrizione
Determinazione del prezzo
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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