>sp|B2JZ02|GCH1_YERPB GTP cyclohydrolase 1 OS=Yersinia pseudotuberculosis serotype IB GN=folE MSSLSKEAELVHQALLARGLETPLRKPELDAETRKTRIQAHMTEVMHLLNLDLTDDSLAD TPRRIAKMYVDEIFSGLDYENFPKITLIQNKMKVDEMVTVRDITLTSTCEHHFVTIDGKA TVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILLALQTLLGTNNVAVSIDAVHYC VKARGIRDATSATTTTSLGGLFKSSQNTRQEFLRAVRHHG