>sp|A8GC24|GCH1_SERP5 GTP cyclohydrolase 1 OS=Serratia proteamaculans GN=folE MTSLSKEAVLVHAALEERGLETPLRGEVLDRETRKRRIKEHMTEIMQLLNLDLSDDSLAE TPHRIAKMYVDEIFSGLDYANFPKITVIENKMKVDEMVTVRDITLTSTCEHHFVTIDGKA TVAYIPKDAVIGLSKINRIVQFFSQRPQVQERLTQQILVALQTLLGTNNVAVSIDAVHYC VKARGIRDATSATTTTSLGGLFKSSQNTRQEFLRAVRHHQG