>3bt2L (L:) observed residues (from ATOM records)
divltqspditaaslgqkvtitcsasssvsymhwyqqksgtspkpwifeisklasgvpar
fsgsgsgtsysltissmeaedaaiyycqqwnypftfgggtkleikradaaptvsifppss
eqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstltlt
kdeyerhnsytceathktstspivksfnrne