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Contact: Mary Beckman
DOE/Pacific Northwest National Laboratory

Heme Crossroads

Caption: Numbered heme groups (in color) lie within MtrF protein's framework (in gray) and shuttle electrons from one end of the protein to the other.

Credit: Cortland Johnson (PNNL) and Julian Breuer

Usage Restrictions: Please credit Johnson/Breuer/PNNL

Related news release: Hugging hemes help electrons hop

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