Article
Alteration of the α1β2/α2β1 subunit interface contributes to the increased hemoglobin-oxygen affinity of high-altitude deer mice.
PloS one - 1 Jan 2017
Inoguchi Noriko, Mizuno Nobuhiro, Baba Seiki, Kumasaka Takashi, Natarajan Chandrasekhar, Storz Jay F, Moriyama Hideaki
Abstract excerpt
BACKGROUND: Deer mice (Peromyscus maniculatus) that are native to high altitudes in the Rocky Mountains have evolved hemoglobins with an increased oxygen-binding affinity relative to those of lowland conspecifics. To elucidate the molecular mechanisms responsible for the evolved increase in hemoglobin-oxygen affinity, the crystal structure of the highland hemoglobin variant was solved and compared with the...
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