50010001500200025003000lacZαGFPoriAmpRM13 fwdpUC19 backbone-GFP overlapGFP-pUC19 backbone overlapM13 revlac operatorlac promoterAmpR promoterpUC19 backbone forward (1113 .. 1132)pUC19 backbone reverse (378 .. 395)GFP forward (396 .. 421)GFP reverse (1087 .. 1112)Colony PCR forward (345 .. 365)Colony PCR reverse (1154 .. 1181)Junction reverse (481 .. 504)Sequencing forward (257 .. 272)Sequencing reverse (1231 .. 1250)pUC19-GFP3346 bp