>3tt1A (A:) observed residues (from ATOM records)
rehwatrlglilamagnavglgnflrfpvqaaengggafmipyiiafllvgiplmwiewa
mgryggaqghgttpaifyllwrnrfakilgvfglwiplvvaiyfvyieswtlgfaikflv
glvpetdpdsilrpfkeflysyigvpkgdepilkpslfayivflitmfinvsilirgisk
gierfakiamptlfilavflvirvflletpngtaadglnflwtpdfeklkdpgvwiaavg
qifftlslgfgaiityasyvrkdqdivlsgltaatlneaaevilggsisipaavaffgva
navaiakagafnlgfitlpaifsqtaggtflgflwffllffagltssiaimqpmiafled
elklsrkhavlwtaaivffsahlvmflnksldemdfwagtigvvffglteliiffwifga
dkaweeinrggiikvpriyyyvmryitpaflavllvvwareyipkimeethwtvwitrfy
iiglflfltflvflaerr