U07165 3898 1 186 pUC18 DNA U07165 3898 187 1463 pRO1614 DNA U07165 3898 583 1430 rep U07165 3898 583 588 rep U07165 3898 1427 1692 lacZ alpha U07165 3898 1464 3898 pUC18 DNA U07165 3898 1611 1667 bla