>sp|A8AE79|GCH1_CITK8 GTP cyclohydrolase 1 OS=Citrobacter koseri GN=folE MSSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKRLISGHMTEIMQLLNLDLSDDSL METPHRIAKMYVDEIFSGLDYANFPKITVIENKMKVDEMVTVRDITLTSTCEHHFVTIDG KATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILTALQTLLGTNNVAVSIDAVH YCVKARGIRDATSATTTTSLGGLFKSSQNTRQEFLRAVRHHN