>1xuvB (B:) observed residues (from ATOM records)
nptritaepgkqeiiitrefdaprelvfkaftdpdlytqwigprgfttalkifepknggs
wqyiqkdpegneyafhgvnhdvteperiistfefeglpekghvildtarfealpgdrtkl
tshsvfqtiedrdgmlqsgmeegindsyerldellekmkkleh