>AF_AFQ3SEU9F1_1|Chain A|Phosphoribosyl-AMP cyclohydrolase|Thiobacillus denitrificans (strain ATCC 25259) (292415) MSDWLDAVKWDAQGLVPAIAQDAASGEILMVAWMNREALEETARTGRGVYFSRSRHKLWRKGEESGHVQTVSEIRLDCDNDVILLKIEQLGGIACHTGRRSCFFHKLTTDDRGHADWVATEPVLKNPDEIYRR