TABLE 3.

Amino acid sequence identities of FOX-3, eight plasmid-encoded β-lactamases, and the A. sobria class C β-lactamases AER14 and CEPS^a

β-Lactamase	% Identity with:
	FOX-3	FOX-2	FOX-1	CEPS	AER14	CMY-1	MOX-1	ACT-1	CMY-2	BIL-1	LAT-1
FOX-3	100	97	96	75	74	72	64	40	40	40	39
FOX-2		100	97	77	75	74	68	42	41	40	41
FOX-1			100	76	74	72	64	40	41	41	40
CEPS				100	74	73	65	43	43	42	42
AER14					100	73	65	37	43	43	42
CMY-1						100	89	40	41	40	40
MOX-1							100	32	37	36	36
ACT-1								100	75	74	73
CMY-2									100	99	98
BIL-1										100	97
LAT-1											100

^aData for AER14 and CEPS are from references 22 and 27, respectively.