B6db activities : spuc

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	spuc
Description	Putrescine--pyruvate aminotransferase (2.6.1.-)
Alternative names	Putrescine--pyruvate transaminase; PATase.
Catalyzed reaction	putrescine + pyruvate = 4-aminobutanal + L-alanine.
Cofactor	Pyridoxal phosphate.
Comments	Distinct from 2.6.1.82 because the preferred ketoacid substrate is pyruvate rather than 2-oxoglutarate. As with 2.6.1.82, the 4-aminobutanal product is expected to spontaneously cyclize, forming 1-pyrroline. This activity, however, has never been characterized on a purified protein.
Organisms	-Eubacteria
Family	spuc (9)

Links	Enzyme (activities) spuc BRENDA (activities) spuc KEGG (pathways) spuc PLPMDB (PLP mutants) spuc

References	Lu CD, Itoh Y, Nakada Y, Jiang Y. (2002) Functional analysis and regulation of the divergent spuABCDEFGH-spuI operons for polyamine uptake and utilization in Pseudomonas aeruginosa PAO1 J Bacteriol 184 3765-73. Articles on spuc

last changed	2010/01/08 15:48

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