>4pn3G (G:) observed residues (from ATOM records)
hmqienrvflitgagsglgaavskmaveagakvvlldvnaeageagakalgasarfqrtd
vasdtdgkaaiaaaieafsridvlvncagvapgekvlgregahkletftrtisinligtf
nmlrlaaeamaknepgqggergviintasvaafdgqigqaaysaskggvaamtlpvarel
arhgirvmtiapgifktpmmagmpqevqdalgasvpfpprlgepaeyaalvrhivenqml
ngevirldgalrmaak