<html><head></head><body><div>Dear Staff -- I am interested in using Chimera but have a question regarding its use. I am interested in looking at the shape of small polypeptides --usually ranging from 5-20 amino acids -- does this program allow me to input amino acid sequences and then look at confirmational shapes? make substitutions and then compare confirmational shapes? Does the proprietary nature of my work prohibit me from using Chimera? Sincerely, Dr Scoville</div><div class="ydpa6469ca9yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"></div></body></html>