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3.4.22.16: cathepsin H

This is an abbreviated version!
For detailed information about cathepsin H, go to the full flat file.

Word Map on EC 3.4.22.16

Reaction

Hydrolysis of proteins, acting as an aminopeptidase (notably, cleaving Arg-/- bonds) as well as an endopeptidase =

Synonyms

aleurain, aleuron thiol protease, alpha-N-benzoyl-arginine 2-naphthylamide hydrolase, alpha-N-benzoylarginine-beta-naphthylamide hydrolase, Cat H, CatB3, CatH, cathepsin B3, cathepsin Ba, cathepsin H, cathepsin H-like cysteine proteinase, CTSH, procathepsin H

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.22 Cysteine endopeptidases
                3.4.22.16 cathepsin H

KM Value

KM Value on EC 3.4.22.16 - cathepsin H

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
210
Ala-4-methylcoumaryl-7-amide
-
-
0.367
alpha-N-benzoyl-DL-Arg-beta-naphthylamide
-
pH 6.2, 37°C
0.097 - 0.169
Arg-2-naphthylamide
0.097 - 72
Arg-4-methylcoumaryl-7-amide
0.637
benzoyl-Arg-2-naphthylamide
0.321
benzoyl-Arg-4-methylcoumaryl-7-amide
-
at 30°C
0.039 - 0.05
benzoyl-DL-Arg-2-naphthylamide
0.46
benzoyl-L-Arg-2-naphthylamide
-
-
0.082
benzoyl-L-Phe-L-Arg-7-amido-4-methylcoumarin
-
pH 6.5, 25°C, mutant lacking the mini chain
-
0.025 - 0.038
benzoyl-L-Phe-L-Val-L-Arg-4-methylcoumaryl-7-amide
7.4
benzyloxycarbonyl-Pro-Ala-Ala-Ala-Pro
-
-
3.5
benzyloxycarbonyl-Pro-Ala-Ala-Ala-Pro-NH2
-
-
0.076
citrulline-4-methylcoumaryl-7-amide
-
at 30°C
0.05 - 3.6
H-L-Arg-NH-4-methylcoumaryl-7-amide
0.097
L-Arg-2-naphthylamide
-
similar value
0.1
L-Arg-4-methylcoumaryl-7-amide
-
pH 6.5, 25°C, native enzyme
0.22
L-Leu-2-naphthylamide
-
-
0.203
L-Leu-beta-naphthylamide
-
pH 6.2, 37°C
0.167
Leu-2-naphthylamide
-
-
35.4
Leu-4-methylcoumaryl-7-amide
-
-
184
Lys-4-methylcoumaryl-7-amide
-
-
0.128
Met-2-naphthylamide
-
-
10.2
succinyl-Ala-Ala-4-nitroanilide
-
-
7
succinyl-Ala-Ala-Ala-4-nitroanilide
-
-
0.7
succinyl-Ala-Ala-Ala-Ala-4-nitroanilide
-
-
0.7
succinyl-Ala-Ala-Ala-Ala-Ala-4-nitroanilide
-
-
27.8
succinyl-Ala-Ala-Pro-4-nitroanilide
-
-
3
succinyl-Ala-Pro-Ala-4-nitroanilide
-
-
2.9
succinyl-Pro-Ala-Ala-4-nitroanilide
-
-
0.092
Z-L-Phe-L-Arg-NH-4-methylcoumaryl-7-amide
-
mutant T11_E18del-cathepsin H, pH 6.8, 30°C
additional information
additional information
-
pH and temperature dependence of kcat/Km
-