>2xreB (B:) observed residues (from ATOM records) efpeiteemekeiknvfrngnqdevlseafrltitrkdiqtlnhlnwlndeiinfymnml merskekglpsvhafntffftklktagyqavkrwtkkvdvfsvdillvpihlgvhwclav vdfrkknityydsmgginneacrillqylkqesidkkrkefdtngwqlfskksqeipqqm ngsdcgmfackyadcitkdrpinftqqhmpyfrkrmvweilhrkll