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Literature summary for 4.1.1.22 extracted from

  • Zou, Y.; Hu, W.; Jiang, A.; Tian, M.
    Partial purification and characterization of a novel histidine decarboxylase from Enterobacter aerogenes DL-1 (2015), Prep. Biochem. Biotechnol., 45, 605-615 .
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
SDS
-
Klebsiella aerogenes

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Lineweaver-Burk kinetics Klebsiella aerogenes
0.21
-
L-histidine pH 6.5, 40°C Klebsiella aerogenes

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ activates by 17.20% Klebsiella aerogenes
Mn2+ activates by 23.42% Klebsiella aerogenes

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-histidine Klebsiella aerogenes
-
histamine + CO2
-
?
L-histidine Klebsiella aerogenes DL-1
-
histamine + CO2
-
?

Organism

Organism UniProt Comment Textmining
Klebsiella aerogenes
-
-
-
Klebsiella aerogenes DL-1
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme by ammonium sulfate fractionation, gel filtration, and anion exchange chromatography, to homogeneity Klebsiella aerogenes

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-histidine
-
Klebsiella aerogenes histamine + CO2
-
?
L-histidine
-
Klebsiella aerogenes DL-1 histamine + CO2
-
?

Subunits

Subunits Comment Organism
? x * 52400, SDS-PAGE Klebsiella aerogenes

Synonyms

Synonyms Comment Organism
HDC
-
Klebsiella aerogenes

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Klebsiella aerogenes

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4 50 purified native enzyme, highly stable at Klebsiella aerogenes

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Klebsiella aerogenes

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 8 purified native enzyme, stable at Klebsiella aerogenes