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Literature summary for 3.1.2.12 extracted from

  • Legler, P.M.; Leary, D.H.; Hervey, W.J.; Millard, C.B.
    A role for His-160 in peroxide inhibition of S. cerevisiae S-formylglutathione hydrolase: evidence for an oxidation sensitive motif (2012), Arch. Biochem. Biophys., 528, 7-20.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
C60A Km and kcat(4-nitrophenyl acetate) slightly decreased compared to wild-type Saccharomyces cerevisiae
C60S Km and kcat(4-nitrophenyl acetate) slightly decreased compared to wild-type. mutant is not inactivated by peroxide Saccharomyces cerevisiae
H160I Oxidation leads to activation of mutant enzyme. Km (4-nitrophenyl acetate) increased and kcat (4-nitrophenyl acetate) decreased compared to wild-type. Oxidized form (with or without catalase): Km (4-nitrophenyl acetate) increased and kcat (4-nitrophenyl acetate) increased compared to wild-type Saccharomyces cerevisiae
H160S Km (4-nitrophenyl acetate) slightly decreased and kcat (4-nitrophenyl acetate) slightly decreased compared to wild-type Saccharomyces cerevisiae
N64A Km (4-nitrophenyl acetate) slightly increased and kcat (4-nitrophenyl acetate) slightly decreased compared to wild-type Saccharomyces cerevisiae
W197I Km (4-nitrophenyl acetate) decreased and kcat (4-nitrophenyl acetate) decreased compared to wild-type Saccharomyces cerevisiae
W197I/C60S Km (4-nitrophenyl acetate) decreased and kcat (4-nitrophenyl acetate) decreased compared to wild-type. Km (S-lactolylglutathione) increased and kcat (4-nitrophenyl acetate) highly decreased compared to wild-type Saccharomyces cerevisiae
W197I/H160I Km (4-nitrophenyl acetate) increased and kcat (4-nitrophenyl acetate) decreased compared to wild-type. Km (S-lactolylglutathione) decreased and kcat (4-nitrophenyl acetate) highly decreased compared to wild-type Saccharomyces cerevisiae
Y278F Km (4-nitrophenyl acetate) slightly decreased and kcat (4-nitrophenyl acetate) slightly decreased compared to wild-type Saccharomyces cerevisiae

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Saccharomyces cerevisiae
peroxide
-
Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.054
-
4-nitrophenyl acetate mutant W197I, pH 7.4, 22°C Saccharomyces cerevisiae
0.14
-
4-nitrophenyl acetate mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
0.16
-
4-nitrophenyl acetate mutant H160S, pH 7.4, 22°C Saccharomyces cerevisiae
0.18
-
4-nitrophenyl acetate mutant Y278F, pH 7.4, 22°C Saccharomyces cerevisiae
0.19
-
4-nitrophenyl acetate mutant C60A, pH 7.4, 22°C Saccharomyces cerevisiae
0.19
-
4-nitrophenyl acetate mutant C60S, pH 7.4, 22°C Saccharomyces cerevisiae
0.4
-
4-nitrophenyl acetate wild-type, pH 7.4, 22°C Saccharomyces cerevisiae
0.78
-
4-nitrophenyl acetate mutant N64A, pH 7.4, 22°C Saccharomyces cerevisiae
0.9
-
S-Lactoylglutathione mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.99
-
4-nitrophenyl acetate mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
2.5
-
4-nitrophenyl acetate mutant H160I, pH 7.4, 22°C Saccharomyces cerevisiae
2.6
-
4-nitrophenyl acetate mutant H160I oxidized form with catalase, pH 7.4, 22°C Saccharomyces cerevisiae
3
-
S-Lactoylglutathione wild-type, pH 7.4, 22°C Saccharomyces cerevisiae
3
-
S-Lactoylglutathione mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
3.5
-
4-nitrophenyl acetate mutant H160I oxidized form, pH 7.4, 22°C Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl acetate + H2O
-
Saccharomyces cerevisiae 4-nitrophenol + acetate
-
?
S-lactoylglutathione + H2O
-
Saccharomyces cerevisiae glutathione + lactate
-
?

Synonyms

Synonyms Comment Organism
S-formylglutathione hydrolase
-
Saccharomyces cerevisiae
SFGH
-
Saccharomyces cerevisiae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
22
-
assay at Saccharomyces cerevisiae

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.048
-
4-nitrophenyl acetate mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.118
-
S-Lactoylglutathione mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.48
-
4-nitrophenyl acetate mutant H160S, pH 7.4, 22°C Saccharomyces cerevisiae
0.6
-
4-nitrophenyl acetate mutant Y278F, pH 7.4, 22°C Saccharomyces cerevisiae
0.76
-
4-nitrophenyl acetate mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
0.85
-
4-nitrophenyl acetate mutant H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.98
-
4-nitrophenyl acetate mutant C60A, pH 7.4, 22°C Saccharomyces cerevisiae
1.05
-
4-nitrophenyl acetate mutant W197I, pH 7.4, 22°C Saccharomyces cerevisiae
1.1
-
4-nitrophenyl acetate mutant N64A, pH 7.4, 22°C Saccharomyces cerevisiae
1.5
-
4-nitrophenyl acetate mutant C60S, pH 7.4, 22°C Saccharomyces cerevisiae
1.8
-
4-nitrophenyl acetate wild-type, pH 7.4, 22°C Saccharomyces cerevisiae
2.8
-
4-nitrophenyl acetate mutant H160I oxidized form with catalase, pH 7.4, 22°C Saccharomyces cerevisiae
3.1
-
4-nitrophenyl acetate mutant H160I oxidized form, pH 7.4, 22°C Saccharomyces cerevisiae
50
-
S-Lactoylglutathione mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
116
-
S-Lactoylglutathione wild-type, pH 7.4, 22°C Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
assay at Saccharomyces cerevisiae

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.018
-
Cu2+ wild-type, 22°C, pH 7.4 Saccharomyces cerevisiae
8
-
peroxide wild-type, 22°C, pH 7.4, in the presence of substrate, inactivation is 10fold faster Saccharomyces cerevisiae
12
-
peroxide wild-type, 22°C, pH 7.4, in the absence of substrate Saccharomyces cerevisiae

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.05
-
4-nitrophenyl acetate mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.13
-
S-Lactoylglutathione mutant W197I/H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.33
-
4-nitrophenyl acetate mutant H160I, pH 7.4, 22°C Saccharomyces cerevisiae
0.83
-
4-nitrophenyl acetate mutant H160I oxidized form, pH 7.4, 22°C Saccharomyces cerevisiae
1.16
-
4-nitrophenyl acetate mutant H160I oxidized form with catalase, pH 7.4, 22°C Saccharomyces cerevisiae
1.41
-
4-nitrophenyl acetate mutant N64A, pH 7.4, 22°C Saccharomyces cerevisiae
2.83
-
4-nitrophenyl acetate mutant H160S, pH 7.4, 22°C Saccharomyces cerevisiae
3.33
-
4-nitrophenyl acetate mutant Y278F, pH 7.4, 22°C Saccharomyces cerevisiae
4.5
-
4-nitrophenyl acetate wild-type, pH 7.4, 22°C Saccharomyces cerevisiae
5.16
-
4-nitrophenyl acetate mutant C60A, pH 7.4, 22°C Saccharomyces cerevisiae
5.5
-
4-nitrophenyl acetate mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
8
-
4-nitrophenyl acetate mutant C60S, pH 7.4, 22°C Saccharomyces cerevisiae
16.6
-
S-Lactoylglutathione mutant W197I/C60S, pH 7.4, 22°C Saccharomyces cerevisiae
20
-
4-nitrophenyl acetate mutant W197I, pH 7.4, 22°C Saccharomyces cerevisiae
33.3
-
S-Lactoylglutathione wild-type, pH 7.4, 22°C Saccharomyces cerevisiae