TABLE 5.

General features of corynebacterial plasmids sequenced in the course of genome projects

Corynebacterium	Plasmid name	Plasmid size (bp)	% G+C content	No. of genes	Coding density (%)	Plasmid familya	Replication modec	Prominent features	Reference sequence	Reference
C. efficiens YS-314	pEC2	23,743	54.4	15	73	pNG2	RCR	Cryptic	NC_004319	316
	pEC3	48,672	56.4	41	73	pNG2	RCR	mrr-like restriction system, genes involved in metal transport and homeostasis	NC_004320	316
C. jeikeium K411	pKW4	14,323	53.8	16	71	pNG2b	RCR	bls gene cluster and aucA gene for bacteriocin synthesis	NC_003080	427

^aThe plasmid family designation is according to the recently published classification scheme for corynebacterial plasmids (423).

^bPlasmid pKW4 codes for a second replication initiator protein (RepW) with a motif typical of the pCRY4 plasmid family (429).

^cRCR, rolling-circle replication.