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Fig. 1. The genomic structure and promoter sequence of zebrafish myostatin
gene. (A) The zebrafish myostatin gene contains three exons and two
introns with conserved exon and intron boundaries. Sequence analysis
identified seven putative E box sites in the 5' flanking sequence. Some
of the E boxes are conserved compared with that in the bovine
myostatin promoter. (B) The DNA sequence of zebrafish
myostatin gene 5' flanking region. The putative TATA box and
the seven putative E box sites are underlined in the DNA sequence. The GenBank
accession number is AY323521.