>sp|B1IYB6|GCH1_ECOLC GTP cyclohydrolase 1 OS=Escherichia coli GN=folE MPSLSKEAALVHEALVARGLETPLRPPVHEMDNETRKSLIAGHMTEIMQLLNLDLADDSL METPHRIAKMYVDEIFSGLDYANFPKITLIENKMKVDEMVTVRDITLTSTCEHHFVTIDG KATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILIALQTLLGTNNVAVSIDAVH YCVKARGIRDATSATTTTSLGGLFKSSQNTRHEFLRAVRHHN