>4ln3E (E:) observed residues (from ATOM records)
gdkiclghhavsngtkvntltergvevvnatetvertnipricskgkrtvdlgqcgllgt
itgppqcdqflefsadliierregsdvcypgkfvneealrqilresggidkeamgftysg
irtngatsscrrsgssfyaemkwllsntdnaafpqmtksykntrknpalivwgihhsgst
aeqtklygsgnklvtvgssnyqqsfvpspgartqvngqsgridfhwlmlnpndtvtfsfn
gafiapdrasflrgksmgiqsgvqvdadcegdcyysggtiisnlpfqnidsravgkcpry
vkqrslllatgmknvp