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Literature summary extracted from

  • Coates, P.M.; Edwards, Y.H.; Hopkinson, D.A.
    Purification and properties of an esterase B4 from human liver (1976), Eur. J. Biochem., 61, 331-335.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.1 Hg2+ HgCl2 Homo sapiens

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.1 0.1
-
 4-Methylumbelliferyl butyrate
-
 Homo sapiens
3.1.1.1 2
-
 4-yethylumbelliferyl acetate
-
 Homo sapiens

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.1 19500
-
 gel filtration Homo sapiens
3.1.1.1 20000
-
 1 * 20000, SDS-PAGE Homo sapiens

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.1 Homo sapiens
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.1
-
 Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.1.1 liver
-
 Homo sapiens
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.1.1 39
-
-
 Homo sapiens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.1 4-methylumbelliferyl acetate + H2O
-
 Homo sapiens 4-methylumbelliferone + acetate
-
 ?
3.1.1.1 4-methylumbelliferyl butyrate + H2O
-
 Homo sapiens 4-methylumbelliferone + butyrate
-
 ?
3.1.1.1 additional information preference for the esters of the fluorogenic compounds 4-methyl umbelliferone and fluorescein over naphthyl esters as substrates Homo sapiens ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.1.1.1 monomer 1 * 20000, SDS-PAGE Homo sapiens