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Literature summary extracted from

  • Pitot, H.C.; Gohda, E.
    Cathepsin T (1987), Methods Enzymol., 142, 279-289.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.4.22.24 EDTA activation Rattus norvegicus
3.4.22.24 sulfhydryl compounds activation Rattus norvegicus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.24 antipain
-
Rattus norvegicus
3.4.22.24 iodoacetamide
-
Rattus norvegicus
3.4.22.24 iodoacetate
-
Rattus norvegicus
3.4.22.24 leupeptin
-
Rattus norvegicus
3.4.22.24 additional information no inhibition by pepstatin A, soybean trypsin inhibitor Rattus norvegicus
3.4.22.24 N-ethylmaleimide
-
Rattus norvegicus
3.4.22.24 PCMB
-
Rattus norvegicus
3.4.22.24 PMSF weak Rattus norvegicus
3.4.22.24 tosyl-L-lysine chloromethyl ketone
-
Rattus norvegicus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.4.22.24 lysosome
-
Rattus norvegicus 5764
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.24 33500
-
gel filtration Rattus norvegicus
3.4.22.24 33500
-
rat, liver Rattus norvegicus
3.4.22.24 35000
-
1 * 35000, liver Rattus norvegicus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.4.22.24 Tyrosine aminotransferase + H2O Rattus norvegicus involved in generation of isozymic forms of tyrosine transferase ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.24 Rattus norvegicus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.24 kidney Rattus norvegicus
3.4.22.24 liver Rattus norvegicus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.24 HTC cell
-
Rattus norvegicus
-
3.4.22.24 kidney
-
Rattus norvegicus
-
3.4.22.24 liver
-
Rattus norvegicus
-
3.4.22.24 lung
-
Rattus norvegicus
-
3.4.22.24 small intestine
-
Rattus norvegicus
-
3.4.22.24 spleen
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.4.22.24 additional information
-
-
Rattus norvegicus

Storage Stability

EC Number Storage Stability Organism
3.4.22.24 -70°C, in 50 mM sodium phosphate buffer, pH 6.5, 25 mM NaCl, 12.5% glycerol, 1 mM DTT, at least 2 months Rattus norvegicus
3.4.22.24 4°C, at somewhat higher ionic strength than 50 mM sodium phosphate, pH 6.5, 25 mM NaCl, 12.5% glycerol, 1 mM DTT, inactivation within 1 week Rattus norvegicus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.24 Acid-denatured hemoglobin + H2O
-
Rattus norvegicus ?
-
?
3.4.22.24 azocasein + H2O
-
Rattus norvegicus ?
-
?
3.4.22.24 additional information cytosolic or mitochondrial forms of aspartate aminotransferase Rattus norvegicus ?
-
?
3.4.22.24 additional information Nalpha-benzoyl-(DL)-Arg-beta-naphthylamide Rattus norvegicus ?
-
?
3.4.22.24 additional information little or no activity at 0øC with glucose 6-phosphate dehydrogenase, native ribonuclease A, native bovine serum albumin, cytochrome c or oxidized insulin B-chain Rattus norvegicus ?
-
?
3.4.22.24 Performic acid-oxidized ribonuclease A + H2O
-
Rattus norvegicus Hydrolyzed performic acid-oxidized ribonuclease A
-
?
3.4.22.24 Tyrosine aminotransferase + H2O involved in generation of isozymic forms of tyrosine transferase Rattus norvegicus ?
-
?
3.4.22.24 Tyrosine aminotransferase form I + H2O enzyme converses native larger subunit to smaller subunit Rattus norvegicus Tyrosine aminotransferase form II and III + acidic peptide of MW 4500 peptide
-
?
3.4.22.24 Tyrosine aminotransferase form I + H2O thereby generating multiple forms of tyrosine aminotransferase Rattus norvegicus Tyrosine aminotransferase form II and III + acidic peptide of MW 4500 peptide
-
?

Subunits

EC Number Subunits Comment Organism
3.4.22.24 monomer SDS-PAGE Rattus norvegicus
3.4.22.24 monomer 1 * 35000, liver Rattus norvegicus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.4.22.24 37
-
15 min, pH 6.5, 50% loss of activity Rattus norvegicus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.24 6.9
-
0°C Rattus norvegicus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.4.22.24 5 8 active in this range, negligible below pH 5 and above pH 8 Rattus norvegicus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.4.22.24 6.5
-
15 min, 37°C, 50% loss of activity Rattus norvegicus
3.4.22.24 7
-
above, 0°C, 1.25% glycerol, rapid loss of activity Rattus norvegicus
3.4.22.24 7.8
-
20 min, 0°C, inactivation Rattus norvegicus