>4bsgA (A:) observed residues (from ATOM records)
dkiclghhavsngtkvntltergvevvnatetvertnvpricskgkrtvdlgqcgllgti
tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidketmgftysgi
rtngatsacrrsgssfyaemkwllsntdnaafpqmtksykntrkdpaliiwgihhsgstt
eqtklygsgnklitvgssnyqqsfvpspgarpqvngqsgridfhwlmlnpndtvtfsfng
afiapdrasflrgksmgiqssvqvdancegdcyhsggtiisnlpfqninsravgkcpryv
kqeslmlatgmknvpei