TABLE 3.

Half-life values of tRNA-AA from E. coli. Values obtained based on ester bond hydrolysis under neutral or alkaline pH in a high ionic medium at 37°C (Hentzen, Mandel, and Garel, 1972).

tRNA-AA	t 1/2 (min)
Ala	6
Arg	12
Asn	11
Asp	11
Cys	16
Gln	9
Glu	9
Gly	8
His	16
Ile	65
Leu	7
Lys	14
Met	12
Phe	16
Pro	2
Ser	17
Thr	38
Trp	-
Tyr	15
Val	60