TABLE 2.

Activities of intracellular enzymes capable of degrading methionine in CE

Strain	Amt of:
	Free thiols produced from methionine (μM/mg of protein/h) under conditions:		Free thiols produced from cystathionine (μM/mg of protein/h) under conditions:		Met ATasea produced (mM/mg of protein/h) under conditions:		KMTB degradedb (mM/mg of protein/h) under conditions:
	pH 7.2, 0% NaCl	pH 5.2, 5% NaCl	pH 7.2, 0% NaCl	pH 5.2, 5% NaCl	pH 7.2, 0% NaCl	pH 5.2, 5% NaCl	pH 7.2, 0% NaCl	pH 5.2, 5% NaCl
S1	8.6	0.0	39.5	5.5	3.6	0.0	0.0	0.0
S2	2.5	0.0	144.1	37.2	1.9	0.0	0.0	0.0
S3	3.3	0.0	72.1	0.6	3.3	0.0	0.0	0.0
LH32	0.0	0.0	4.8	0.0	3.6	2.7	0.0	0.0
LC301	0.0	0.0	17.0	10.7	0.6	0.0	0.0	0.0
BL1	10.2	0.0	32.2	0.0	0.5	0.0	0.0	0.0
BL2	100.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0

^aApproximations of Met aminotransferase (ATase) activity in CEs determined by monitoring increases in KMTB. 

^bApproximations of reversible l amino acid oxidase activity, decarboxylase activity, and levels of production of methanethiol from KMTB.