>4b42D (D:) observed residues (from ATOM records)
mkrkgiilaggsgtrlhpatlaiskqllpvydkpmiyyplstlmlagireiliistpqdt
prfqqllgdgsnwgldlqyavqpspdglaqafligesfigndlsalvlgdnlyyghdfhe
llgsasqrqtgasvfayhvldperygvvefdqggkaisleekplepksnyavtglyfydq
qvvdiardlkpspeleitdvnraylergqlsveimgrgyawldtgthdslleagqfiatl
enrqglkvacpeeiayrqkwidaaqleklaaplakngygqylkrlltetvy