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