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3.4.13.20: beta-Ala-His dipeptidase

This is an abbreviated version!
For detailed information about beta-Ala-His dipeptidase, go to the full flat file.

Word Map on EC 3.4.13.20

Reaction

preferential hydrolysis of the beta-Ala-/-His dipeptide (carnosine), and also anserine, Xaa-/-His dipeptides and other dipeptides including homocarnosine =

Synonyms

carnosinase, carnosinase-1, CN1, CN2, CNDP dipeptidase 2, CNDP1, CNDP2, cytosolic non-specific dipeptidase 2, DmpA, EC 3.4.13.13, EC 3.4.13.3, EC 3.4.3.3, serum carnosinase, tissue carnosinase

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.13 Dipeptidases
                3.4.13.20 beta-Ala-His dipeptidase

KM Value

KM Value on EC 3.4.13.20 - beta-Ala-His dipeptidase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0039
beta-Ala-4-nitroanilide
pH 8.0, 25°C
1.27 - 11
beta-Ala-L-His
0.019
beta-homoAla-4-nitroanilide
pH 8.0, 25°C
1.1
beta-homoPhe-4-nitroanilide
pH 8.0, 25°C
0.175 - 1.1
carnosine
0.52 - 0.54
D-Ala-4-nitroanilide
3
Gly-4-nitroanilide
100 mM Tris/HCl or 50 mM potassium phosphate, pH 8.0, 30°C
0.2 - 1.9
homocarnosine
0.36 - 0.6
L-Ala-4-nitroanilide
0.4
L-Arg-4-nitroanilide
50 mM potassium phosphate, pH 8.0, 30°C
0.4
L-Lys-4-nitroanilide
50 mM potassium phosphate, pH 8.0, 30°C