>1s2zA (A:) observed residues (from ATOM records) kslkgsrtekniltafagesqarnrynyfggqakkdgfvqisdifaetadqerehakrlf kfleggdleivaafpagiiadthanliasaagehheytemypsfariareegyeeiarvf asiavaeefhekrfldfarnikegrvflreqatkwrcrncgyvhegtgapelcpacahpk ahfellginw