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Literature summary for 3.4.14.5 extracted from

  • Kyouden, T.; Himeno, M.; Ishikawa, T.; Ohsumi, Y.; Kato, K.
    Purification and characterization of dipeptidyl peptidase IV in rat liver lysosomal membranes (1992), J. Biochem., 111, 770-777.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
diisopropyl fluorophosphate
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.076
-
Gly-Pro-7-amido-4-methylcoumarin
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
lysosome membrane-bound form, 60%, and a soluble form, 40%. The main protein portion of the enzyme having the antigenic sites is located on the inside surface of lysosomes Rattus norvegicus 5764
-
membrane
-
Rattus norvegicus 16020
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
110000
-
2 * 110000, SDS-PAGE Rattus norvegicus
240000
-
gel filtration Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification contains 12.4% carbohydrate. The carbohydrate moiety is composed of mannose, galactose, fucose, N-acetylglucosamine and neuraminic acid in a molar ratio 14:17:2:24:11. The enzyme does not contain O-linked oligosaccharide chains Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0254
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Gly-Pro-4-methylcoumarin 7-amide + H2O
-
Rattus norvegicus Gly-Pro + 7-amino-4-methylcoumarin
-
?

Subunits

Subunits Comment Organism
dimer 2 * 110000, SDS-PAGE Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.6
-
-
Rattus norvegicus