Enzyme
Putrescine aminotransferase (EC 2.6.1.82, "putrescine-alpha-ketoglutarate transaminase", "YgjG", "putrescine:alpha-ketoglutarate aminotransferase", "PAT", "putrescine:2-oxoglutarate aminotransferase", "putrescine transaminase") is an enzyme with systematic name "butane-1,4-diamine:2-oxoglutarate aminotransferase". This enzyme catalyses the following chemical reaction
 putrescine + 2-oxoglutarate formula_1 1-pyrroline + L-glutamate + H2O (overall reaction)
(1a) putrescine + 2-oxoglutarate formula_1 4-aminobutanal + L-glutamate
(1b) 4-aminobutanal formula_1 1-pyrroline + H2O (spontaneous)
This enzyme is a pyridoxal-phosphate protein.
References.
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