>4bsbA (A:) observed residues (from ATOM records)
dkiclghhalsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgti
tgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysgi
rtngttsacrrsgssfyaemkwllsntdnaafpqmtksykntrkspalivwgihhsvsta
eqtklygsgnklvtvgssnyqqsfvpspgarpqvnglsgridfhwlmlnpndtvtfsfng
afiapdrasflrgksmgiqsgvqvdancegdcyhsggtiisnlpfqnidsravgkcpryv
kqrslllatgmknvpei