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Literature summary for 3.1.1.41 extracted from

  • Abbott, B.J.; Fukuda, D.S.
    Cephalosporin acetylesterase (Bacillus subtilis) (1978), Methods Enzymol., 43, 731-734.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
acetate competitive Bacillus subtilis
deacetyl-7-aminocephalosporanic acid competitive Bacillus subtilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.46
-
Triacetin
-
Bacillus subtilis
2.8
-
7-aminocephalosporanic acid
-
Bacillus subtilis
8.3
-
cephalothin
-
Bacillus subtilis

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
-
-
Bacillus subtilis WRRL-B-558
-
-
-

Storage Stability

Storage Stability Organism
25°C, pH 7, unbuffered solution, 3 weeks, little or no loss of activity Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
7-aminocephalosporanic acid + H2O
-
Bacillus subtilis acetate + deacetyl-7-aminocephalosporanic acid
-
?
7-aminocephalosporanic acid + H2O
-
Bacillus subtilis WRRL-B-558 acetate + deacetyl-7-aminocephalosporanic acid
-
?
alpha-naphthyl acetate + H2O
-
Bacillus subtilis 1-naphthol + acetate
-
?
alpha-naphthyl acetate + H2O
-
Bacillus subtilis WRRL-B-558 1-naphthol + acetate
-
?
cephalosporin C + H2O
-
Bacillus subtilis deacetylcephalosporin C + acetate
-
?
cephalothin + H2O
-
Bacillus subtilis acetate + deacetylcephalothin
-
?
cephalothin + H2O
-
Bacillus subtilis WRRL-B-558 acetate + deacetylcephalothin
-
?
glucose pentaacetate + H2O
-
Bacillus subtilis ?
-
?
glucose pentaacetate + H2O
-
Bacillus subtilis WRRL-B-558 ?
-
?
monoacetin + H2O
-
Bacillus subtilis acetate + glycerol
-
?
triacetin + H2O
-
Bacillus subtilis ?
-
?
triacetin + H2O
-
Bacillus subtilis WRRL-B-558 ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40 50
-
Bacillus subtilis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
complete loss of activity after 5 min, activity is retained after 10 min in presence of 1.0 M phosphate buffer Bacillus subtilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Bacillus subtilis