>1yu2A (A:) observed residues (from ATOM records)
vqfrggttaqhatftgaareitvdtdkntvvvhdgataggfplarhdlvktafikadksa
vaftrtgnatasikagtivevngklvqftadtaitmpaltagtdyaiyvcddgtvradsn
fsaptgytsttarkvggfhyapgsnaaaqaggnttaqineyslwdikfrpaaldprgmtl
vagafwadiyllgvnhltdgtskynvtiadgsaspkkstkfggdgsaaysdgawynfaev
mthhgkrlpnynefqalafgtteatssggtdvpttgvngtgatsawniftskwgvvqasg
clwtwgnefggvngaseytantggrgsvyaqpaaalfggswhytsnsgsraaywysgpsn
spanigargvcdhlile