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Literature summary for 4.1.1.19 extracted from

  • Giles, T.N.; Fisher, D.J.; Graham, D.E.
    Independent inactivation of arginine decarboxylase genes by nonsense and missense mutations led to pseudogene formation in Chlamydia trachomatis serovar L2 and D strains (2009), BMC Evol. Biol., 9, 166.
    View publication on PubMedView publication on EuropePMC

Protein Variants

Protein Variants Comment Organism
X128W the purified X128W variant protein catalyzes the decarboxylation of L-arginine with a pH optimum near 3.4 with increased Km and decreased kcat values compared to the wild type enzyme Chlamydia trachomatis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5
-
L-Arg wild type enzyme Chlamydia trachomatis
5.4
-
L-Arg mutant enzyme X128W Chlamydia trachomatis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25000
-
His-tagged-AaxB protein from strain D/UW-3, SDS-PAGE Chlamydia trachomatis

Organism

Organism UniProt Comment Textmining
Chlamydia trachomatis
-
serovar L2 and D strains
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-arginine
-
Chlamydia trachomatis agmatine + CO2
-
?

Synonyms

Synonyms Comment Organism
AaxB protein
-
Chlamydia trachomatis
arginine:agmatine exchange system
-
Chlamydia trachomatis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.3
-
L-Arg mutant enzyme X128W Chlamydia trachomatis
6.9
-
L-Arg wild type enzyme Chlamydia trachomatis