>4ygqA (A:) observed residues (from ATOM records)
mkavlfdidgtilteeplimlflpqvydklsrklgiskdearerflseilgrrdsydwhd
wnfffklfdldlkyeelleryphklqvypdtiptlewlrdtgyklgivtsgpkyqrlklk
ltglldyfdvvitrddvnaikpepkiflytierlgvepgeavmvgdslsqdvygaksvgm
tavwinrngdrgynmadyeirtlyelrkilggerv