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