>3r3wB (B:) observed residues (from ATOM records)
ladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerfkviva
dlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghnrgarvsyrlalds
pgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyvkakla
swtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagnkipvp
mlalwgatpldvwrkwasdvqgapiesghflpeeapdqtaealvrffs