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Literature summary for 3.4.14.5 extracted from

  • Püschel, G.; Mentlein, R.; Heymann, E.
    Isolation and characterization of dipeptidyl peptidase IV from human placenta (1982), Eur. J. Biochem., 126, 359-365.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol
-
Homo sapiens
bis-(4-nitrophenylphosphate)
-
Homo sapiens
diisopropyl fluorophosphate
-
Homo sapiens
Zn2+ 1 mM Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.016
-
Lys-Pro-4-methoxy-2-naphthylamide
-
Homo sapiens
0.018
-
Gly-Pro-4-methoxy-2-naphthylamide
-
Homo sapiens
0.019
-
Phe-Pro-2-naphthylamide
-
Homo sapiens
0.02
-
Phe-Ala-Pro-2-naphthylamide
-
Homo sapiens
1
-
Ala-Ala-2-naphthylamide
-
Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Homo sapiens
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
120000
-
x * 120000, SDS-PAGE Homo sapiens
200000
-
above, gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification glycoprotein Homo sapiens
side-chain modification 30% carbohydrate Homo sapiens

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
placenta
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Ala-Ala-2-naphthylamide + H2O
-
Homo sapiens Ala-Ala + 2-naphthylamine
-
?
casomorphin + H2O
-
Homo sapiens ?
-
?
Gly-Hyp-Ala + H2O
-
Homo sapiens Ala + ?
-
?
Gly-Pro-2-naphthylamide + H2O
-
Homo sapiens Gly-Pro + 2-naphthylamine
-
?
Gly-Pro-4-methoxy-2-naphthylamide + H2O
-
Homo sapiens Gly-Pro + 4-methoxy-2-naphthylamine
-
?
His-Pro-Phe + H2O
-
Homo sapiens His-Pro + Phe
-
?
kentsin + H2O
-
Homo sapiens Thr-Pro + ?
-
?
Lys-Pro-4-methoxy-2-naphthylamide + H2O
-
Homo sapiens Lys-Pro + 4-methoxy-2-naphthylamine
-
?
Phe-Ala-Pro-2-naphthylamide + H2O
-
Homo sapiens ?
-
?
Phe-Pro-2-naphthylamide + H2O L-Phe-L-Pro-2-naphthylamide Homo sapiens Phe-Pro + 2-naphthylamine
-
?
Pro-Pro-Gly + H2O
-
Homo sapiens Gly + ?
-
?
substance P + H2O
-
Homo sapiens Arg-Pro + Lys-Pro + ?
-
?
synthetic renin inhibitor + H2O His-Pro-Phe-His-Leu-D-Leu-Val-Tyr Homo sapiens ?
-
?
Tyr-D-Ala-Gly-Phe-Met-NH2 + H2O
-
Homo sapiens ?
-
?

Subunits

Subunits Comment Organism
? x * 120000, SDS-PAGE Homo sapiens
dimer
-
Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
hydrolysis of Gly-Pro-2-naphthylamide Homo sapiens

pH Range

pH Minimum pH Maximum Comment Organism
7 9.6 pH 7.0: about 45% of maximal activity, pH 9.6: about 90% of maximal activity, hydrolysis of Gly-Pro-2-naphthylamide Homo sapiens