On Tue, 2011-08-23 at 09:44 -0400, Yamei Yu wrote: > Is there a protein that it could interact > with different proteins by the same part (maybe the same part but in > different conformations?)? Lysozyme interacts with two antibodies, HyHel-5 and D44.1 via the same epitope but different set of interactions. -- "Hurry up before we all come back to our senses!" Julian, King of Lemurs