>5x45B (B:) observed residues (from ATOM records)
gpsdmfvhtrdaiykcahltnptdetillaltadlqvdstnvpgpdvipccdctagcyys
rskdryfpvecvshdwyeiqesgyypkhiqynlligeghcepgdcggkllckhgvigmit
aggdnhvaftdlrpyss