>1e9nB (B:) observed residues (from ATOM records)
alyedppdqktspsgkpatlkicswnvdglrawikkkgldwvkeeapdilclqetkcsen
klpaelqelpglshqywsapsegysgvgllsrqcplkvsygigdeehdqegrvivaefds
fvlvtayvpnagrglvrleyrqrwdeafrkflkglasrkplvlcgdlnvaheeidlrnpk
gnkknagftpqerqgfgellqavpladsfrhlypntpyaytfwtymmnarsknvgwrldy
fllshsllpalcdskirskalgsdhcpitlylal