>2i9aA (A:) observed residues (from ATOM records)
ncdclnggtcvsnkyfsnihwcncpkkfggqhceidksktcyegnghfyrgkastdtmgr
pclpwnsatvlqqtyhahrsdalqlglgkhnycrnpdnrrrpwcyvqvglkplvqecmvh
dca