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Promoter probe vector pAMY-em1 (GenBank accession no. AJ243541). amyL, promoterless α-amylase gene from B. licheniformis; cat: promoterless chloramphenicol acetyltransferase gene from Staphylococcus aureus plasmid pC194; ermAM: erythromycin resistance gene from E. faecalis plasmid pAMβ1; T0, T1, TTS1, and TTS2, transcriptional terminators. Selected restriction sites present only once or twice are indicated, the latter in parentheses.
