PRPSAP2 MFCVAPPESEAKMNITKGGLVLFSANSNSSCMELSKKIAERLGVEMGKVQVYQEPDRETRVQIQESVRGKDVFIIQTVSKDVNTTIMELLIMVYACKTSCAKSIIGVVPYFPYSKQCKMRKRGSIVSKLLASMMCKAGLTHLITMDLHQKEIQGFFNIPVDNLRASPFLLQYIQEEIPDYRNAVIVAKSPASAKRAQSFAERLRLGIAVIHGEAQDAESDLVDGRHSPPMVRSAAAIHPSLEIPMLIPKEKPPITVVGDVGGRIAIIVDDIIDDVDSFLAAAETLKERGAYKIFVMATHGLLSSDAPLLIEESAIDEVVVTNTIPHEIQKLQCPKIKTVDISMTLSEAIRRIHNGESMSYLFRNIGLDD 369 Seems to play a negative regulatory role in 5- phosphoribose 1-diphosphate synthesis (By similarity). KPRB_BOVIN Phosphoribosyl pyrophosphate synthase-associated protein 2