>1xuvA (A:) observed residues (from ATOM records)
nptritaepgkqeiiitrefdaprelvfkaftdpdlytqwigprgfttalkifepknggs
wqyiqkdpegneyafhgvnhdvteperiistfefeglpekghvildtarfealpgdrtkl
tshsvfqtiedrdgmlqsgmeegindsyerldellekmkkleh