>5nuxB (B:) observed residues (from ATOM records)
allftplelgglrlknrlamspmdqysatlegevtdwhllhyptralggvglilveatav
eplgrtspydlgiwsedhlpglkelarrireagavpgiqlahagrkagtarpweggkplg
wrvvgpspipfdegypvpepldeagmerilqafvegarralragfqvielhmahgyllss
flsplsnqrtdayggslenrmrfplqvaqavrevvprelplfvrvsatdwgeggwsledt
lafarrlkelgvdlldcssggvvlrvriplapgfqvpfadavrkrvglrtgavglittpe
qaetllqagsadlvllgrvllrdpyfplraakalgvapevppqyqrgf