Fructosyl-lysine dihydrochloride (5 mM; 0.5 hours) catalyzes the ATP-dependent conversion of [
14
C]fructoselysine to anionic products suggesting the existence of a fructoselysine-kinase activity in
E .coli
extracts.Fructosyl-lysine dihydrochloride (100 μM; 1 hour) contains a carbohydrate moiety and appears to be phosphorylated, it can be converted to glucose 6-phosphate in bacterial extracts in
E .coli
extracts.Fructosyl-lysine dihydrochloride (25 mM; 25 hours) lets
E. coli
growth at a rate of about one-third of that observed with glucose as a carbon source. Lysine itself does not support growth in the absence of other carbon source and does not affect the growth observed with glucose.
