Cytochrome c is a pivotal haemoprotein that resides within the mitochondrial intermembrane space, where it fulfils essential roles in cellular respiration and the regulation of apoptosis. Functioning ...

The cytochrome P450 enzymes constitute a diverse superfamily of haem-containing proteins that catalyse key oxidative reactions in steroid biosynthesis. In the steroidogenic pathway, these enzymes ...

Now Fengbin “Jerry” Wang, Ph.D., of the University of Alabama at Birmingham and colleagues in Paris and Virginia report that such nanowires, composed of a long chain of cytochrome proteins, appear to ...

A Geobacter bacteria isolated from a contaminated ditch in Oklahoma has an unusual appendage—a long extracellular nanowire that can conduct electricity. The electron transport chain in this nanowire ...