>3zlkB (B:) observed residues (from ATOM records)
mkrkgiilaggsgtrlhpatlaiskqllpvydkpmiyyplstlmlagireiliistpqdt
prfqqllgdgsnwgldlqyavqpspdglaqafligesfigndlsalvlgdnlyyghdfhe
llgsasqrqtgasvfayhvldperygvvefdqggkaisleekplepksnyavtglyfydq
qvvdiardlkpsprgeleitdvnraylergqlsveimgrgyawldtgthdslleagqfia
tlenrqglkvacpeeiayrqkwidaaqleklaaplakngygqylkrlltetvy