>3bgfC (C:) observed residues (from ATOM records)
dilmtqspsslsaslgervsltcrasqeisgylswlqekpdgtikrliyaastldsgvpk
rfsgsrsgsdysltisslesedfadyyclqyvsypwtfgggtkleikradaaptvsifpp
sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt
ltkdeyehnsytceathktstspivksfnr