>4DU6_1|Chains A, B, C, D, E|GTP cyclohydrolase 1|Yersinia pestis CO92 (214092) SNAMSSLSKEAELVHQALLARGLETPLRKPELDAETRKTRIQAHMTEVMHLLNLDLTDDSLADTPRRIAKMYVDEIFSGLDYENFPKITLIQNKMKVDEMVTVRDITLTSTCEHHFVTIDGKATVAYIPKDSVIGLSKINRIVQFFAQRPQVQERLTQQILLALQTLLGTNNVAVSIDAVHYCVKARGIRDATSATTTTSLGGLFKSSQNTRQEFLRAVRHHG