Table 3. Plasmid restriction test results for E.coli clinical strains.

Plasmid	Strain
	EC377	EC585	EC646	EC777	EC1158
pMECA	–	–	–	–	–
pL1	+	–	–	–	+
pL2	+	+	+	+	+
pL3	+	–	–	+	+
pL4	+	–	–	+	+
pL6	+	–	+	+	+
pE2	–	+	–	+	–
pE3	+	+	–	–	–
pE4	–	+	–	–	–
pE5	+	+	+	–	+
pE6	+	+	+	–	–
pE8	–	+	+	–	+
pE9	–	–	–	–	–
pE10	–	–	–	–	–
pE11	–	–	–	–	+
pE12	–	+	–	+	–
pE14	+	+	+	+	+
pE15	–	+	+	–	+
pE16	–	–	–	+	–
pE17	+	–	+	–	–
pE18	–	+	–	+	–
pE19	–	+	+	+	–
pE22	+	–	–	–	+
pE23	+	+	+	–	–
pE24	–	–	+	–	–
pE25	+	–	–	+	–
pE26	+	–	–	+	+
pE28	–	–	–	–	–
pE29	+	–	–	–	–
pE31	–	–	–	–	–
pE32	+	+	+	+	+
pE33	–	–	–	+	+
pE38	–	–	–	–	–
pE41	+	+	–	+	–
pE44	–	–	–	–	–
pE45	+	+	+	–	+
Recognition sequence	GGA(8N)ATGC	GCC(6N)TGCG	CCA(7N)CTTC	GGA(6N)TATC	TGA(8N)TGCT
Type	I (new)	II (?) (new)	I (new)	I (new)	I (EcoBI isoschizomer)

Plus (+) or minus (–) indicates the presence or absence of a recognition sequence in each plasmid.