>1tu3C (C:) observed residues (from ATOM records)
cqfklvllgesavgksslvlrfvkgqfhefqestigaafltqtvclddttvkfeiwdtag
qeryhslapmyyrgaqaaivvyditneesfaraknwvkelqrqaspnivialsgnkadla
nkravdfqeaqsyaddnsllfmetsaktsmnvneifmaiakklpkn