>3vonW (W:) observed residues (from ATOM records)
vkvprnfrlleeleegqkgvgdgtvswgleddedmtltrwtgmiigpprtnyenriyslk
vecgpkypeappsvrfvtkinmnginnssgmvdarsipvlakwqnsysikvvlqelrrlm
mskenmklpqppegqty