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Literature summary for 3.4.23.5 extracted from

  • Mycek, M.J.
    Cathepsins (1970), Methods Enzymol., 9, 285-315.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
3-phenylpyruvate
-
Oryctolagus cuniculus
dithioerythritol
-
Oryctolagus cuniculus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000 52000 gel filtration Oryctolagus cuniculus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Gallus gallus
-
-
-
Oryctolagus cuniculus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Gallus gallus
-
Oryctolagus cuniculus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Bos taurus
-
liver
-
Oryctolagus cuniculus
-
muscle
-
Gallus gallus
-
muscle
-
Oryctolagus cuniculus
-
spleen
-
Bos taurus
-
spleen
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.101
-
-
Gallus gallus

Storage Stability

Storage Stability Organism
4°C, pH 3-4 or at pH 8, stable for several days Oryctolagus cuniculus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Albumin + H2O serum albumin Oryctolagus cuniculus ?
-
?
Hemoglobin + H2O
-
Gallus gallus ?
-
?
Hemoglobin + H2O denatured hemoglobin Bos taurus ?
-
?
Hemoglobin + H2O denatured hemoglobin Oryctolagus cuniculus ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
-
Bos taurus
60
-
40 min, comlete loss of activity Oryctolagus cuniculus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
2.8 3
-
Gallus gallus
2.8 3
-
Bos taurus
2.8 3 denatured hemoglobin Oryctolagus cuniculus
4
-
-
Gallus gallus
4
-
-
Bos taurus
4
-
serum albumin Oryctolagus cuniculus

pH Stability

pH Stability pH Stability Maximum Comment Organism
2.5
-
inactivation below Oryctolagus cuniculus