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Sequenced region of the PPO B promoter showing putative cis-elements. PPO B bases are numbered starting with minus 1 as the first base 5′ of the ATG translational start codon. The ATG start codon is in bold. The underlined bases, 5′ to 3′ respectively, represent the 5′ terminal HindIII site of the BG plasmid construction, CAAT homology, and TATAA homology. The putative cis-elements are boxed.
