Fish hemoglobins.

@article{Souza2007FishH,
  title={Fish hemoglobins.},
  author={Paula Carolina de Souza and Gustavo Orlando Bonilla-Rodriguez},
  journal={Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas},
  year={2007},
  volume={40 6},
  pages={
          769-78
        }
}
Vertebrate hemoglobin, contained in erythrocytes, is a globular protein with a quaternary structure composed of 4 globin chains (2 alpha and 2 beta) and a prosthetic group named heme bound to each one. Having myoglobin as an ancestor, hemoglobin acquired the capacity to respond to chemical stimuli that modulate its function according to tissue requirements for oxygen. Fish are generally submitted to spatial and temporal O2 variations and have developed anatomical, physiological and biochemical… CONTINUE READING

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