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Literature summary for 1.13.11.31 extracted from

  • Coffa, G.; Brash, A.R.
    A single active site residue directs oxygenation stereospecificity in lipoxygenases: Stereocontrol is linked to the position of oxygenation (2004), Proc. Natl. Acad. Sci. USA, 101, 15579-15584.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Homo sapiens

Protein Variants

Protein Variants Comment Organism
G441A the mutant enzyme G441A converts arachidonic acid to (8S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid and (12R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid in a 1.4:1 ratio, wild-type enzyme converts arachidonate only to (12R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid Homo sapiens
G441S the mutant enzyme G441A converts arachidonic acid to 8S-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid (major product) and (12R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid (minor product), wild-type enzyme converts arachidonate only to (12R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoic acid Homo sapiens
G441T inactive mutant enzyme Homo sapiens
G441V inactive mutant enzyme Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
arachidonic acid + O2
-
Homo sapiens (12R)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoic acid the mutant enzyme G441A converts arachidonic acid to 8S-hydroperoxy-5Z,8Z,11Z,13E-eicosatetraenoic acid and 12R-hydroperoxy-5Z,8Z,11Z,13E-eicosatetraenoic acid in a 1.4:1 ratio ?

Synonyms

Synonyms Comment Organism
12R-LOX-2
-
Homo sapiens

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3
-
arachidonate mutant enzyme A416G Homo sapiens
14
-
arachidonate wild-type enzyme Homo sapiens