>1n3r_H mol:protein length:221  GTP cyclohydrolase I
PSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSL
METPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCESHFVTID
GKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDA
VHYCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN