| 摘要 |
A functional linker for a polypeptide in which two alpha or beta globin-like domains are genetically fused is determined by screening a library of genetically fused polypeptides, in which the linker region is varied, for the ability to participate in the formation of hemoglobin-like protein, as measured by the protein's response to carbon monoxide. In a preferred embodiment, cells expressing the protein turn red as a result of carbon monoxide pressure.
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