>4onlA (A:) observed residues (from ATOM records)
gvkvprnfrlleeleegqkgvgdgtvswgleddedmtltrwtgmiigpprtnyenriysl
kvecgpkypeappsvrfvtkinmnginnssgmvdarsipvlakwqnsysikvvlqelrrl
mmskenmklpqppegqtynn