TABLE 1.

Comparison of contents of CcpA- and LacI/GalR-specific residues

Organism or sequence	Protein	No. of:		% Identitya	Accession no.
		CcpA-specific residues	LacI/GalR-specific residues
Consensus		67	94
L. pentosus	CcpA	61	79	100	AF176799
L. casei	CcpA	64	79	66	U28137
E. faecalis	CcpA	63	75	62	AJ011113
Listeria monocytogenes	CcpA	62	80	60	AF076520
Streptococcus mutans	RegM	60	78	59	O07329
B. subtilis	CcpA	63	80	56	P25144
B. megaterium	CcpA	61	83	55	P46828
Lactococcus lactis	CcpA	51	75	53	AF106673
L. delbrueckii subsp. lactis	PepR1	47	71	50	Q48544
Staphylococcus xylosus	CcpA	55	82	48	Q56194
C. acetobutylicum	RegA	24	71	39	Q45831
E. coli	LacI	0	63	30	P03023
	GalR	0	69	29	P03024

^aPercent amino acid sequence identity with respect to CcpA of L. pentosus.