>2aexA (A:) observed residues (from ATOM records)
eedelahrcssfmappvtdlgelrrrpgdmktkmelliletqaqvcqalaqvdgganfsv
drwerkeggggiscvlqdgcvfekagvsisvvhgnlseeaakqmrsrgkvlktkdgklpf
camgvssvihpknphaptihfnyryfeveeadgnkqwwfgggcdltptylnqedavhfhr
tlkeacdqhgpdlypkfkkwcddyffiahrgerrgiggiffddldspskeevfrfvqsca
ravvpsyiplvkkhcddsftpqeklwqqlrrgryvefnllydrgtkfglftpgsriesil
mslpltarweymhspsenskeaeilevlrhprdwvr