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Literature summary for 3.4.22.42 extracted from

  • Velasco, G.; Ferrando, A.A.; Puente, X.S.; Sanchez, L.M.; Lopez-Otin, C.
    Human cathepsin O. Molecular cloning from a breast carcinoma, production of the active enzyme in Escherichia coli, and expression analysis in human tissues (1994), J. Biol. Chem., 269, 27136-27142.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
trans-epoxysuccinyl-L-leucylamido-(4-guanidino)butane i.e. E-64 Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
lysosome
-
Homo sapiens 5764
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23400
-
active, processed enzyme, calculation from sequence of cDNA Homo sapiens
35880
-
preproprotein, composed of a signal peptide, a proprotein and the mature enzyme, calculation from sequence of cDNA Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Homo sapiens role in intracellular protein degradation ?
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein two potential N-glycosylation sites, both located in the proregion Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Homo sapiens
-
colon
-
Homo sapiens
-
heart
-
Homo sapiens
-
kidney
-
Homo sapiens
-
leukocyte
-
Homo sapiens
-
liver
-
Homo sapiens
-
lung
-
Homo sapiens
-
ovary
-
Homo sapiens
-
pancreas
-
Homo sapiens
-
placenta
-
Homo sapiens
-
prostate gland
-
Homo sapiens
-
skeletal muscle
-
Homo sapiens
-
small intestine
-
Homo sapiens
-
spleen
-
Homo sapiens
-
testis
-
Homo sapiens
-
thymus
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information role in intracellular protein degradation Homo sapiens ?
-
?
N-benzyloxycarbonyl-L-Arg-L-Arg-4-methylcoumarin 7-amide + H2O
-
Homo sapiens N-benzyloxycarbonyl-L-Arg-L-Arg + 7-amino-4-methylcoumarin
-
?
N-benzyloxycarbonyl-L-Phe-L-Arg-4-methylcoumarin 7-amide + H2O
-
Homo sapiens N-benzyloxycarbonyl-L-Phe-L-Arg + 7-amino-4-methylcoumarin
-
?