Aurora A and TPX2 (IMAGE)

Howard Hughes Medical Institute

Aurora A and TPX2

Caption

Once the Aurora A protein (blue) and TPX2 protein (red) learned how to fit together, they stayed that way forever. Dark dots represent amino acids that remain unchanged throughout evolution. Light dots represent amino acids that differ between the ancient and modern proteins.

Credit

Dorothee Kern/Brandeis University/HHMI

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