TABLE 3.

Amino acid identity between carbenicillin-hydrolyzing enzymes

β-Lac- tamase	% Identity
	PSE-4	CARB-3	CARB-4	PSE-3	AER-1	PSE-1	N-29	GN79
CARB-3	99.31
CARB-4	86.11	86.81
PSE-3	44.01	44.37	42.25
AER-1	42.81	44.88	44.68	57.63
PSE-1	99.65	99.65	86.51	43.51	45.04
N-29	97.92	97.92	86.16	43.86	45.39	98.27
GN79	45.1	45.68	44.64	48.80	46.21	45.33	45.33
BRO-1	31.43	31.77	31.07	32.65	32.23	31.43	31.43	33.45