Lec 3 MIT 7 014 Introductory Biology Spring 2005

Description: little circle here between the nitrogen, the amino group and the carboxyl group. And the consequence of this is this bond cannot rotate. The bond that would normally be able to rotate is not able to do that. And so this is the sort of amino acid you find that when there are some of these regular structures, I'm going to show you in a minute, like helices and things, this protein won't, this amino acid particularly won't fit into those structures. So you tend to, if nature wants to interrupt ...