>tr|Q3YXV9|Q3YXV9_SHISS 5-formyltetrahydrofolate cyclo-ligase OS=Shigella sonnei GN=ygfA MIRQRRRALTPEQQQEMGQQAATRMMTYPPVVMAHTVAVFLSFDGELDTQPLIEQLWRAG KRVYLPVLHPFSAGNLLFLNYHPQSELVMNRLKIHEPKLDVRDVLPLSRLDVLITPLVAF DEYGQRLGMGGGFYDRTLQNWQHYKTQPVGYAHDCQLVEKLPVEEWDIPLPAVVTPSKVW EW