>2burB (B:) observed residues (from ATOM records) iiwgayaqrntedhppayapgyktsvlrspknalisiaetlsevtaphfsadkfgpkdnd lilnyakdglpigervivhgyvrdqfgrpvknalvevwqanasgryrhpndqyigamdpn fggcgrmltddngyyvfrtikpgpypwrnrinewrpahihfsliadgwaqrlisqfyfeg dtlidscpilktipseqqrralialedksnfieadsrcyrfditlrgrratyfendlt