Báo cáo khoa học: A novel thermostable hemoglobin from the actinobacterium Thermobifida fusca
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The gene coding for a hemoglobin-like protein (Tf-trHb) has been identi-fied in the thermophilic actinobacteriumThermobifida fuscaand cloned in Escherichia colifor overexpression. The crystal structure of the ferric, ace-tate-bound derivative, was obtained at 2.48 A ˚ resolution. The three-dimen-sional structure of Tf-trHb is similar to structures reported for the truncated hemoglobins from Mycobacterium tuberculosisandBacillus sub-tilis in its central domain.
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