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Table 2 GC content of the third codon positions (GC3) in coding exons of neurohypophysial hormone genes

From: Sequence and organization of coelacanth neurohypophysial hormone genes: Evolutionary history of the vertebrate neurohypophysial hormone gene locus

   Exon 1 Exon 2 Exon 3
Coelacanth vasotocin gene 42.5% 41.2% 48.1%
  mesotocin gene 40.0% 41.2% 56.3%
Bovine vasopressin gene 87.5% 94.0% 93.3%
  oxytocin gene 90.0% 95.5% 89.5%
Human vasopressin gene 92.5% 95.5% 98.2%
  oxytocin gene 90.0% 94.0% 88.9%
  1. The GC3 contents of all three exons of the coelacanth vasotocin and mesotocin genes are compared with the GC3 content in bovine and human vasopressin and oxytocin genes to determine if the coelacanth genes have undergone gene conversion.