>1s64E (E:) observed residues (from ATOM records)
flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse
rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyiiaiieeqpknyqvwhhrrv
lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn
svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn
llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke
ywryigrslqskhs