>6trc2 (2:) observed residues (from ATOM records)
atkfpkfsqdlaqdpttrriwyaiamahdfeshdgmteenlyqkifashfghlaiiflwv
sgslfhvawqgnfeqwvqdpvntrpiahaiwdpqfgkaavdaftqagasnpvdiaysgvy
hwwytigmrtngdlyqgaifllilaslalfagwlhlqpkfrpslswfknaesrlnhhlag
lfgvsslawaghlihvaipesrgqhvgwdnflstmphpaglapfftgnwgvyaqnpdtas
hvfgtaqgagtailtflggfhpqteslwltdmahhhlaiavlfivaghmyrtqfgighsi
kemmdakdffgtkvegpfnmphqgiyetynnslhfqlgwhlaclgvitslvaqhmyslpp
yafiaqdhttmaalythhqyiagflmvgafahgaiflvrdydpaqnkgnvldrvlqhkea
iishlswvslflgfhtlglyvhndvvvafgtpekqiliepvfaqfiqaahgkllygfdtl
lsnpdsiastawpnygnvwlpgwldainsgtnslfltigpgdflvhhaialglhtttlil
vkgaldargsklmpdkkdfgyafpcdgpgrggtcdisawdafylamfwmlntigwvtfyw
hwkhlgvwegnvaqfnesstylmgwlrdylwlnssqlingynpfgtnnlsvwawmflfgh
lvwatgfmfliswrgywqelietlvwahertplanlvrwkdkpvalsivqarlvglahfs
vgyiltyaafliastaakfg