AY557620 7022 257 994 ermB AY557620 7022 1091 1174 ermBL AY557620 7022 1315 2217 oriT; RK2 origin of transfer AY557620 7022 2859 3719 bla AY557620 7022 4065 4490 oriV; RK2 vegetative replication origin AY557620 7022 4718 4836 Pneo; neomycin phosphotransferase promoter AY557620 7022 4888 6036 trfA AY557620 7022 6301 6681 lacZ-alpha AY557620 7022 6524 6625 multicloning site