A comparison of genomic coding sequences for feather and scale keratins: structural and evolutionary implications.

@article{Gregg1984ACO,
  title={A comparison of genomic coding sequences for feather and scale keratins: structural and evolutionary implications.},
  author={Keith A. Gregg and Stephen D. Wilton and David A Parry and George Ernest Rogers},
  journal={The EMBO journal},
  year={1984},
  volume={3 1},
  pages={175-8}
}
DNA sequences have been obtained for embryonic chick feather and scale keratin genes. Strong homologies exist between the protein coding regions of the two gene types and between the deduced amino acid sequences of the keratin proteins. Scale keratins are larger than feather keratins and the size difference is mainly attributable to four 13-amino acid repeats between residues 77 and 128 which compose a peptide sequence rich in glycine and tyrosine. The strong similarities between the two… CONTINUE READING

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