>6fz5B (B:) observed residues (from ATOM records)
rsyqfwdtqpvpklgevvnthgpvepdkdnirqepytlpqgftwdaldlgdrgvlkelyt
llnenyvedddnmfrfdyspefllwalrppgwlpqwhcgvrvvssrklvgfisaipanih
iydtekkmveinflcvhkklrskrvapvlireitrrvhlegifqavytagvvlpkpvgtc
rywhrslnprklievkfshlsmtmqrtmklyrlpetpktaglrpmetkdipvvhqlltry
lkqfhltpvmsqeevehwfypqeniidtfvvenangevtdflsfytlpstimnhpthksl
kaaysfynvhtqtplldlmsdalvlakmkgfdvfnaldlmenktfleklkfgigdgnlqy
ylynwkcpsmgaekvglvlq