TABLE 2.

Comparison of Ccm proteins

Protein	Organism	Former designation	% Identity with P. putida GB-1 proteina	Conserved motif(s)	Reference
CcmA	P. putida GB-1b			GPNGSGKTSLLR    LWILDE	This study
	P. putida MnB1b	CycV	85	...GSGKTSLLR	14
	E. coli		52	GSNGAGKTTLLR    LWILDE	8
	B. japonicum	CycV	39	GRNGSGKTSLLR    IWLLDE	36
	R. capsulatus	HelA	39	GPNGIGKTTLLR    VWVLDE	5
CcmB	P. putida GB-1				This study
	E. coli		52		8
	B. japonicum	CycW	41		36
	R. capsulatus	HelB	50		5
CcmC	P. putida GB-1b			WGSWWVWDARLT	This study
	P. fluorescens	CytA	86	WGSWWVWDARLT	27
	E. coli		59	WGTWWVWDARLT	8
	B. japonicum	CycZ	46	WGTYWEWDARLT	36
	R. capsulatus	HelC	43	WGTWWEWDPRLT	5
CcmF	P. putida GB-1b			WAYYELGWGGWWFWDPVEN	This study
	P. putida MnB1b	CykK	94		14
	P. fluorescens	CytD	96	WAYYELGWGGWWFWDPVEN	27
	E. coli		80	WAYYELGWGGWWFWDPVEN	8
	B. japonicum	CykK	74	WAYYELGWGGWWFWDPVEN	37
	R. capsulatus	Ccl1	71	WAYYELGWGGFWFWDPVEN	5

^aBased on amino acid sequences. 

^bPartial sequence.