>6f56B (B:) observed residues (from ATOM records)
rsyqfwdtqpvpklgevvnthgpvepdkdnirqepytlpqgftwdaldlgdrgvlkelyt
llnenyvedddnmfrfdyspefllwalrppgwlpqwhcgvrvvssrklvgfisaipanih
iydtekkmveinflcvhkklrskrvapvlireitrrvhlegifqavytagvvlpkpvgtc
qyfhrslnprklievkfshlsrnmtmqrtmklyrlpetpktaglrpmetkdipvvhqllt
rylkqfhltpvmsqeevehwfypqeniidtfvvenangevtdflsfytlpstimnhpthk
slkaaysfynvhtqtplldlmsdalvlakmkgfdvfnmvdlmenktfveklkfgigdghl
qyylynwkcpsmgaekvglvml