>4gayB (B:) observed residues (from ATOM records)
nivltqspvslavslgqratiscrasesvdgygnsflhwfqqkpgqppklliylasnlns
gvparfsgsgsrtdftltidpveaddaatyycqqnnvdpwtfgggtkleikradaaptvs
ifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysms
stltltkdeyerhnsytceathktstspivksfnrn