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Literature summary for 5.2.1.1 extracted from

  • Seltzer, S.
    cis-trans Isomerization (1972), The Enzymes, 3rd Ed. (Boyer, P. D. , ed. ), 6, 381-406.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
mercaptans
-
Pseudomonas fluorescens
mercaptans required for activity Pseudomonas sp.

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Pseudomonas sp.

General Stability

General Stability Organism
crystallization can be accompanied by a 50% loss in activity Pseudomonas sp.

Inhibitors

Inhibitors Comment Organism Structure
Bromoacetate
-
Pseudomonas fluorescens
Bromoacetate
-
Pseudomonas sp.
cyanide 1 mM, weak inhibition Alcaligenes faecalis
deoxycholate
-
Pseudomonas sp.
EDTA
-
Alcaligenes faecalis
EDTA 0.1 mM, 20% inhibition Pseudomonas sp.
Fe2+
-
Alcaligenes faecalis
Hg2+
-
Alcaligenes faecalis
iodoacetate
-
Alcaligenes faecalis
iodoacetate 0.01 mM, complete inhibition Pseudomonas sp.
N-bromosuccinimide 1 mM, weak inhibition Alcaligenes faecalis
NaCN 0.6 mM, 20% inhibition Pseudomonas sp.
NaF 0.6-3 mM, 18-45% inhibition Pseudomonas sp.
p-Substituted mercuribenzoate
-
Alcaligenes faecalis
p-Substituted mercuribenzoate 0.01 mM, complete inhibition Pseudomonas sp.
Semicarbazide 1 mM, weak inhibition Alcaligenes faecalis
Sodium periodate
-
Alcaligenes faecalis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.3
-
Maleate
-
Pseudomonas sp.
2.8
-
Maleate
-
Alcaligenes faecalis

Metals/Ions

Metals/Ions Comment Organism Structure
CO2 increases activity by 20-30% Alcaligenes faecalis
Fe2+ increases activity by 20-30% Alcaligenes faecalis
Mn2+ increases activity by 20-30% Alcaligenes faecalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
74000
-
sedimentation velocity experiments Pseudomonas fluorescens
74000
-
sedimentation velocity experiments Pseudomonas sp.
100000
-
gel filtration, sedimentation velocity studies Alcaligenes faecalis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Alcaligenes faecalis malonate and ketomalonate are more effective than maleate in inducing isomerase synthesis ?
-
?

Organism

Organism UniProt Comment Textmining
Alcaligenes faecalis
-
-
-
Pseudomonas fluorescens
-
-
-
Pseudomonas sp.
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Maleate
-
Alcaligenes faecalis Fumarate
-
?
Maleate
-
Pseudomonas fluorescens Fumarate
-
?
Maleate
-
Pseudomonas sp. Fumarate
-
?
additional information malonate and ketomalonate are more effective than maleate in inducing isomerase synthesis Alcaligenes faecalis ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
-
25 pH 6, maximal stability in presence of small quantities of dithiothreitol Alcaligenes faecalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
-
Alcaligenes faecalis
8.4
-
-
Pseudomonas fluorescens
8.4
-
-
Pseudomonas sp.

pH Range

pH Minimum pH Maximum Comment Organism
6.7 9.4
-
Pseudomonas fluorescens
6.7 9.4 about 50% of maximal activity at pH 6.7 and pH 9.4 Pseudomonas sp.
6.8 9.3 about 50% of maximal activity at pH 6.8 and 9.3 Alcaligenes faecalis

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 7 30°C, rapid loss of activity below pH 5 and above pH 7 Alcaligenes faecalis
6
-
0°C-25°C, maximal stability in presence of small quantities of dithiothreitol Alcaligenes faecalis