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Literature summary extracted from

  • Aranishi, F.; Hara, K.; Ishinara, T.
    Purification and characterization of cathepsin H from hepatopancreas of carp Cyprinus carpio (1992), Comp. Biochem. Physiol. B, 102B, 499-505.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.4.22.16 2-mercaptoethanol activates, synergistic with EDTA Cyprinus carpio
3.4.22.16 cysteine activates, synergistic with EDTA Cyprinus carpio
3.4.22.16 EDTA activates Cyprinus carpio
3.4.22.16 thiol compounds activate Cyprinus carpio

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.16 1,10-phenanthroline 4% inhibition at 5 mM Cyprinus carpio
3.4.22.16 antipain 91% inhibition at 0.1 mM Cyprinus carpio
3.4.22.16 CdCl2 90% inhibition at 1 mM Cyprinus carpio
3.4.22.16 CoCl2 100% inhibition at 1 mM Cyprinus carpio
3.4.22.16 CuCl2 94% inhibition at 1 mM Cyprinus carpio
3.4.22.16 DTNB 100% inhibition at 1 mM Cyprinus carpio
3.4.22.16 ethyl(2S,3S)-3-(S)-3-methyl-1-(3-methylbutylcarbamoyl)butylcarbamoyl oxirane-2-carboxylate 100% inhibition at 0.1 mM Cyprinus carpio
3.4.22.16 HgCl2 73% inhibition at 1 mM Cyprinus carpio
3.4.22.16 leupeptin 80% inhibition at 0.1 mM Cyprinus carpio
3.4.22.16 PCMB 46% inhibition at 1 mM Cyprinus carpio
3.4.22.16 Soybean trypsin inhibitor 8% inhibition at 0.005 mM Cyprinus carpio
3.4.22.16 tosyl-Leu-CH2Cl 89% inhibition at 1 mM Cyprinus carpio
3.4.22.16 tosyl-Phe-CH2Cl 84%inhibition at 1 mM Cyprinus carpio
3.4.22.16 Zn(CH3COO)2 85% inhibition at 1 mM Cyprinus carpio

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.16 23000
-
gel filtration Cyprinus carpio

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.16 Cyprinus carpio
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.16
-
Cyprinus carpio

Source Tissue

EC Number Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.4.22.16 0.000109
-
-
Cyprinus carpio

Subunits

EC Number Subunits Comment Organism
3.4.22.16 monomer
-
Cyprinus carpio
3.4.22.16 More two bands in SDS-PAGE of 23000 and 27000, respectively, interpreted as different stages of enzyme processing Cyprinus carpio

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.4.22.16 45
-
substrate Arg-4-methylcoumaryl-7-amide Cyprinus carpio

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.4.22.16 30
-
rapid inactivation above, without substrate bound Cyprinus carpio

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.16 6.5
-
substrate Arg-4-methylcoumaryl-7-amide Cyprinus carpio

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.4.22.16 5.5 6 rapid inactivation above Cyprinus carpio