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Comparison of the sequence of nucleotides before the translation start codon of the ferredoxin gene by BLAST sofware. TV is nucleotide sequence of wild type isolate and TV-MT is nucleotide sequence of mutant isolate. It shows change in nucleotide position -239, and box shows start of transcription of the ferredoxin gene. The underlined region (28-bp oligomers) is the translational regulatory protein connection zone (Ref 22)
