in design mode,the choice's wheel stays dark and all AA
are forbiden including the current one.
some recipes seem able to mutate these AA,others not.
unfortunately the AA chosen are invalid and incurr penalties.
windows 7 pro,devprev last update
residue 1 is threonine,residue 75 is asparagine
they are considered invalid.
Sorry about this! This was reported previously and will be fixed in the next update.
As requested in the news, please leave all comments for this particular puzzle here: http://fold.it/portal/node/2002161 so that we can keep them together. :)
Thanks so much!