Table 1.

Functional activities of the putative A. aeolicus GcvH proteins

Function	GcvH1	GcvH2	GcvH3	GcvH4	GcvH5
Lipoyl relay	+	−	−	+	−
Glycine cleavage	−	−	(+)	+	((+))

Symbols: The plus signs mean strong activity whereas the minus signs mean no detectable activity. The plus signs in parentheses indicate modest activity (+) or barely detectable activity ((+)).