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Literature summary for 3.4.19.12 extracted from

  • Mayer, A.N.; Wilkinson, K.D.
    Detection, resolution, and nomenclature of multiple ubiquitin carboxyl-terminal esterases from bovine calf thymus (1989), Biochemistry, 28, 166-172.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
iodoacetamide
-
Bos taurus
Mn2+
-
Bos taurus
ubiquitin product inhibition Bos taurus
Ubiquitin aldehyde carboxy-terminal aldehyde of ubiquitin Bos taurus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0006
-
ubiquitin ethyl ester pH 8.0, 37°C, isozyme L3 Bos taurus
0.0012
-
ubiquitin ethyl ester pH 8.0, 37°C, isozyme L1 Bos taurus
0.008
-
ubiquitin ethyl ester pH 8.0, 37°C, isozyme H2 Bos taurus
0.03
-
ubiquitin ethyl ester pH 8.0, 37°C, isozyme L2 Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30000
-
gel filtration Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
calf thymus
-
Bos taurus
-
4 isoenzymes L1, L2, L3, and H2
-

Purification (Commentary)

Purification (Comment) Organism
4 isozymes Bos taurus
partial Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
thymus calf Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.033
-
partially purified isozyme L1, substrate ubiquitin ethyl ester Bos taurus
0.16
-
partially purified isozyme H2, substrate ubiquitin ethyl ester Bos taurus
0.21
-
partially purified isozyme L2, substrate ubiquitin ethyl ester Bos taurus
2.5
-
partially purified isozyme L3, substrate ubiquitin ethyl ester Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ubiquitin ethyl ester + H2O
-
Bos taurus ubiquitin + ethanol
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
assay at Bos taurus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0006
-
ubiquitin pH 8.0, 37°C, isozyme L3 Bos taurus
0.0012
-
ubiquitin pH 8.0, 37°C, isozyme L1 Bos taurus
0.008
-
ubiquitin pH 8.0, 37°C, isozyme H2 Bos taurus
0.017
-
Mn2+ pH 8.0, 37°C, isozyme L1 Bos taurus
0.026
-
Mn2+ pH 8.0, 37°C, isozyme L3 Bos taurus
0.03
-
ubiquitin pH 8.0, 37°C, isozyme L2 Bos taurus
0.043
-
ubiquitin-aldehyde pH 8.0, 37°C, isozyme L2 Bos taurus
0.047
-
Mn2+ pH 8.0, 37°C, isozyme L2 Bos taurus
0.069
-
Mn2+ pH 8.0, 37°C, isozyme H2 Bos taurus
0.073
-
ubiquitin-aldehyde pH 8.0, 37°C, isozyme H2 Bos taurus
0.08
-
ubiquitin-aldehyde pH 8.0, 37°C, isozyme L1 Bos taurus
0.091
-
ubiquitin-aldehyde pH 8.0, 37°C, isozyme L3 Bos taurus