CatLogenzyme kinetics catalog

Values CatLog read from this paper

Biochemical characterization of human cathepsin X revealed that the enzyme is an exopeptidase, acting as carboxymonopeptidase or carboxydipeptidase

PMID 10951198doi:10.1046/j.1432-1327.2000.01592.xOpen in Browse

The paper itself is not on this site: read it at the publisher. This page lists only the values CatLog read from it.

CatLog read 19 records (45 values) from this paper: cathepsin X from Homo sapiens.

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units. Values are in CatLog's units; each record opens in Browse with the line the paper prints and the checks.

EC 3.4.18.1

EnzymeOrganismSubstratekcat (s⁻¹)Km (mM)kcat/Km (mM⁻¹ s⁻¹)Conditions
cathepsin XHomo sapiens6-aminohexanoyl-Leu-Arg-MCA (Cap = epsilon-aminocaproyl (6-aminohexanoic); MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))0.250.046.3pH 5.1, 37 °COpen
cathepsin XHomo sapiens6-aminohexanoyl-Leu-Cys(Bzl)-MCA (Bzl = benzyl; Cap = epsilon-aminocaproyl (6-aminohexanoic); MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))0.090.0253.6pH 5.1, 37 °COpen
cathepsin XHomo sapiens6-aminohexanoyl-Leu-Gly-MCA (Cap = epsilon-aminocaproyl (6-aminohexanoic); MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))——1.7pH 5.1, 37 °COpen
cathepsin XHomo sapiens6-aminohexanoyl-Leu-Phe-MCA (Cap = epsilon-aminocaproyl (6-aminohexanoic); MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))——0.57pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Arg-Arg-Dap(Dnp)-Pro-OH (Abz = ortho-aminobenzoic acid; Dap = 2,3-diaminopropionic acid; Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.060.00837.2pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Leu-Arg-Dap(Dnp)-Pro-OH (Abz = ortho-aminobenzoic acid; Dap = 2,3-diaminopropionic acid; Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.020.01051.9pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Phe-Arg-Dap(Dnp)-Pro-OH (Abz = ortho-aminobenzoic acid; Dap = 2,3-diaminopropionic acid; Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.070.003719pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Phe-Arg-Dap(Dnp)-Trp-OH (Abz = ortho-aminobenzoic acid; Dap = 2,3-diaminopropionic acid; Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)——92pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Phe-Arg-Gln-EDDnp (Abz = ortho-aminobenzoic acid; EDDnp = N-[2,4-dinitrophenyl]ethylenediamine)——2.4pH 5.1, 37 °COpen
cathepsin XHomo sapiensAbz-Phe-Arg-Phe(NO2)-Ala-OH (Abz = ortho-aminobenzoic acid; free C-terminal carboxyl)——32pH 5.1, 37 °COpen
cathepsin XHomo sapiensbenzyloxycarbonyl-Arg-Arg-MCA (Z = benzyloxycarbonyl; MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))0.630.135pH 5.1, 37 °COpen
cathepsin XHomo sapiensbenzyloxycarbonyl-Phe-Arg-MCA (Z = benzyloxycarbonyl; MCA = methylcoumarine amide (7-amino-4-methylcoumarin amide))0.220.0633.5pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Arg-Phe-Phe-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.230.004650pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Arg-Phe-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.030.002413pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Arg-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.70.0042180pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Phe-Arg-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.30.003690pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Phe-Gly-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.070.001835pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Phe-Phe-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)——60pH 5.1, 37 °COpen
cathepsin XHomo sapiensDnp-Gly-Phe-Phe-Trp-OH (Dnp = 2,4-dinitrophenyl; free C-terminal carboxyl)0.070.00170pH 5.1, 37 °COpen