>3dbkA (A:) observed residues (from ATOM records)
aeaggpggnqkigkytygsdygplivndrcemddgnvitvdmnsstddskttpfrfacpt
ntykqvngaysplndahffggvvfklyrdwfgtsplthklymkvhygrsvenaywdgtam
lfgdgatmfyplvsldvaahevshgfteqnsgliyrgqsggmneafsdmageaaefymrg
kndfligydikkgsgalrymdqpsrdgrsidnasqyyngidvhhssgvynrafyllansp
gwdtrkafevfvdanryywtatsnynsgacgvirsaqnrnysaadvtrafstvgvtcp