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Literature summary extracted from

  • Bender, G.; Poyner, R.R.; Reed, G.H.
    Identification of the substrate radical intermediate derived from ethanolamine during catalysis by ethanolamine ammonia-lyase (2008), Biochemistry, 47, 11360-11366.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
4.3.1.7 overexpression in Escherichia coli Salmonella enterica subsp. enterica serovar Typhimurium

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.3.1.7 hydroxyethylhydrazine the latter suicide inhibitor effects a stoichiometric conversion of enzyme-bound adenosylcobalamin into its cleaved form cob(II)alamin Salmonella enterica subsp. enterica serovar Typhimurium

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.3.1.7 Co2+ included in the cofactor B12 Salmonella enterica subsp. enterica serovar Typhimurium

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.3.1.7 31000
-
beta-subunit Salmonella enterica subsp. enterica serovar Typhimurium
4.3.1.7 50000
-
alpha-subunit Salmonella enterica subsp. enterica serovar Typhimurium

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.3.1.7 ethanolamine Salmonella enterica subsp. enterica serovar Typhimurium elimination of ammonia from the vicinal position of short chain amino alcohol to give the corresponding oxo product acetaldehyde + NH3
-
?

Organism

EC Number Organism UniProt Comment Textmining
4.3.1.7 Salmonella enterica subsp. enterica serovar Typhimurium
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.3.1.7
-
Salmonella enterica subsp. enterica serovar Typhimurium

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.3.1.7 additional information
-
specific activity is 30-45 micromol ethanolamine/min/mg of EAL at 25°C, determined by the EAL-alcohol dehydrogenase coupled assay Salmonella enterica subsp. enterica serovar Typhimurium

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.3.1.7 ethanolamine elimination of ammonia from the vicinal position of short chain amino alcohol to give the corresponding oxo product Salmonella enterica subsp. enterica serovar Typhimurium acetaldehyde + NH3
-
?

Subunits

EC Number Subunits Comment Organism
4.3.1.7 hexamer functional protein is a hexamer of alpha-beta-dimers (alpha-subunit of 50000 Da and beta-subunit of 31000 Da) Salmonella enterica subsp. enterica serovar Typhimurium

Synonyms

EC Number Synonyms Comment Organism
4.3.1.7 EAL
-
Salmonella enterica subsp. enterica serovar Typhimurium
4.3.1.7 ethanolamine ammonia-lyase
-
Salmonella enterica subsp. enterica serovar Typhimurium

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.3.1.7 7.5
-
assay at Salmonella enterica subsp. enterica serovar Typhimurium

Cofactor

EC Number Cofactor Comment Organism Structure
4.3.1.7 coenzyme B12 adenosylcobalamin, 70% of the enzyme-bound adenosylcobalamin is cleaved to cob(2)-alamin in the steady state of the reaction Salmonella enterica subsp. enterica serovar Typhimurium