>3c66A (A:) observed residues (from ATOM records)
sqkvfgitgpvstvgataaenklndsliqelkkegsfeteqetanrvqvlkilqelaqrf
vyevskkknmsdgmardaggkiftygsyrlgvhgpgsdidtlvvvpkhvtredfftvfds
llrerkeldeiapvpdafvpiikikfsgisidlicarldqpqvplsltlsdknllrnlde
kdlralngtrvtdeilelvpkpnvfrialraiklwaqrravyanifgfpggvawamlvar
icqlypnacsavilnrffiilsewnwpqpvilkpiedgplqvrvwnpkiyaqdrshrmpv
itpaypsmcathnitestkkvilqefvrgvqitndifsnkkswanlfekndfffrykfyl
eitaytrgsdeqhlkwsglveskvrllvmklevlagikiahpftkpfessyccpteddye
miqdkygshktetalnalklvtdenkeeesikdapkaylstmyigldfninkkekvdihi
pctefvnlcrsfnedygdhkvfnlalrfvkgydlpdevfdenekrpskk