>tr|A0A840D2C9|A0A840D2C9_9BACT Phosphoribosyl-ATP pyrophosphatase OS=Salinibacter ruber GN=hisE MKRFEELFAELADKVDRQDPDSGTVQAVQEGRHAIGKKVIEEAGEVWMAAEHEGPDRTAE EISQLLYHLQVLMIACDLDLEDVYEHL