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Literature summary for 4.1.1.17 extracted from

  • Romano, A.; Trip, H.; Lolkema, J.S.; Lucas, P.M.
    Three-component lysine/ornithine decarboxylation system in Lactobacillus saerimneri 30a (2013), J. Bacteriol., 195, 1249-1254.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.6
-
L-ornithine pH 5.5, 37°C Ligilactobacillus saerimneri 30a
10.3
-
L-lysine pH 5.5, 37°C Ligilactobacillus saerimneri 30a

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
84000
-
x * 84000, SDS-PAGE Ligilactobacillus saerimneri 30a

Organism

Organism UniProt Comment Textmining
Ligilactobacillus saerimneri 30a P43099
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-lysine
-
Ligilactobacillus saerimneri 30a cadaverine + CO2
-
?
L-ornithine
-
Ligilactobacillus saerimneri 30a putrescine + CO2
-
?
additional information no substrates: 2,4-diaminobutanoate, arginine Ligilactobacillus saerimneri 30a ?
-
?

Subunits

Subunits Comment Organism
? x * 84000, SDS-PAGE Ligilactobacillus saerimneri 30a

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37 50 initial reaction rate remains unchanged within this range Ligilactobacillus saerimneri 30a

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.25
-
L-lysine pH 5.5, 37°C Ligilactobacillus saerimneri 30a
9.77
-
L-ornithine pH 5.5, 37°C Ligilactobacillus saerimneri 30a

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.2
-
-
Ligilactobacillus saerimneri 30a

pH Range

pH Minimum pH Maximum Comment Organism
4 9 at least 40% of maximum activity Ligilactobacillus saerimneri 30a

General Information

General Information Comment Organism
physiological function Lactobacillus saerimneri 30a contains a three-component decarboxylation system consisting of ornithin decarboxylase, lysine decarboxylase and a transporter catalyzing both lysine/cadaverine and ornithine/putrescine exchange Ligilactobacillus saerimneri 30a

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.03
-
L-lysine pH 5.5, 37°C Ligilactobacillus saerimneri 30a
6
-
L-ornithine pH 5.5, 37°C Ligilactobacillus saerimneri 30a