The molecular basis of the coloration mechanism in lobster shell: β-Crustacyanin at 3.2-Å resolution

The binding of the carotenoid astaxanthin (AXT) in the protein multimacromolecular complex crustacyanin (CR) is responsible for the blue coloration of lobster shell. The structural basis of the bathochromic shift mechanism has long been elusive. A change in color occurs from the orange red of the un... View More