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Literature summary for 3.1.1.13 extracted from

  • Wee, S.; McLean Grogan, W.
    Testicular temperature-labile cholesteryl ester hydrolase (1993), J. Biol. Chem., 268, 8158-8163.
    View publication on PubMed

General Stability

General Stability Organism
ammonium sulfate precipitation increases stability Rattus sp.

Inhibitors

Inhibitors Comment Organism Structure
Alkaline phosphatase 65% inhibition Rattus sp.
Cd2+ very potent inhibitor Rattus sp.
cholesterol 80-100% inhibition at 0.01-0.15 mM Rattus sp.
Cu2+ at very low concentrations Rattus sp.
oleate 25-40% inhibition at 0.002-0.003 mM Rattus sp.
Zn2+ at very low concentrations Rattus sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus sp. 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
66000
-
SDS-PAGE Rattus sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cholesteryl esters + H2O Rattus sp. involvement in inhibition of spermatogenesis cholesterol + fatty acid
-
?

Organism

Organism UniProt Comment Textmining
Rattus sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
2000fold to homogeneity by chromatography techniques Rattus sp.

Source Tissue

Source Tissue Comment Organism Textmining
testis exclusively localized Rattus sp.
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1
-
-
Rattus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cholesteryl esters + H2O involvement in inhibition of spermatogenesis Rattus sp. cholesterol + fatty acid
-
?
cholesteryl oleate + H2O
-
Rattus sp. cholesterol + oleic acid
-
?

Subunits

Subunits Comment Organism
monomer 1 * 66000, SDS-PAGE after isoelectric focusing chromatography Rattus sp.

Synonyms

Synonyms Comment Organism
CEH
-
Rattus sp.
testicular temperature-labile cholesteryl ester hydrolase
-
Rattus sp.
TLCEH
-
Rattus sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
inactivation by evaluation from 32°C to 37°C Rattus sp.