>2i9aC (C:) observed residues (from ATOM records)
cdclnggtcvsnkyfsnihwcncpkkfggqhceidksktcyegnghfyrgkastdtmgrp
clpwnsatvlqqtyhahrsdalqlglgkhnycrnpdnrrrpwcyvqvglkplvqecmvhd
cad