>3nx8A (A:) observed residues (from ATOM records)
vkeflakakedflkkwespaqntahldqferiktlgtgsfgrvmlvkhketgnhyamkil
dkqkvvklkqiehtlnekrilqavnfpflvklefsfkdnsnlymvmeyvpggemfshlrr
igrfsepharfyaaqivltfeylhsldliyrdlkpenllidqqgyiqvtdfgfakrvkgr
twtlcgtpeylapeiilskgynkavdwwalgvliyemaagyppffadqpiqiyekivsgk
vrfpshfssdlkdllrnllqvdltkrfgnlkngvndixnhkwfattdwiaiyqrkveapf
ipkfkgpgdtsnfddyeeeeirvsinekcgkefsef