>1fbx_I mol:protein length:221 GTP CYCLOHYDROLASE I PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSL METPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTID GKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDA VHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN