>3rngA (A:) observed residues (from ATOM records)
smlkredwydltrttnwtpkyvtenelfpeemsgargismeawekydepykitypeyvsi
qrekdsgaysikaalerdgfvdradpgwvstmqlhfgaialeeyaastaearmarfakap
gnrnmatfgmmdenrhgqiqlyfpyanvkrsrkwdwahkaihtneeaaiaarsffddmmm
trdsvavsimltfafetgfsnmqflglaadaaeagdhtfaslissiqtdesrhaqqggps
lkilvengkkdeaqqmvdvaiwrswklfsvltgpimdyytplesrnqsfkefmlewivaq
ferqlldlgldkpwywdqfmqdldethhgmhlgvwywrptvwwdpaagvspeerewleek
ypgwndtwgqcwdvitdnlvngkpeltvpetlpticnmcnlpiahtpgnkwnvkdyqley
egrlyhfgseadrwcfqidperyknhtnlvdrflkgeiqpadlagalmymslepgvmgdd
ahdyewvkayq