>4nrvA (A:) observed residues (from ATOM records)
pegpelhlasqfvneacralvfggcvekssvsrnpevpfessayrisasargkelrlils
plpgaqpqqeplalvfrfgmsgsfqlvpreelprhahlrfytappgprlalcfvdirrfg
rwdlggkwqpgrgpcvlqeyqqfresvlrnladkafdrpicealldqrffngignylrae
ilyrlkippfekarsvlealqeltlsqkirtklqnpdllelchsvpkevvqlggkgygse
sgeedfaafrawlrcygmpgmsslqdrhgrtiwfqgdpgplap