| phosphoribosyltransferase |
a term used in the recommended and trivial names of some pentosyltransferases [EC 2.4.2] to denote those that catalyze the transfer of ribose 5-phosphate, usually from phosphoribosylpyrophosphate, to a purine or pyrimidine to form a 5′ nucleotide and inorganic pyrophosphate. These enzymes are important in the biosynthesis of nucleotides.
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| phosphoric acid |
1. orthophosphoric acid, the monomeric form H3PO4. 2. a general term encompassing the monomeric (orthophosphoric acid), dimeric (pyrophosphoric acid), and polymeric (metaphosphoric acid) forms of the acid. Phosphoric acid is an important metabolite; see phosphate and specific acids and salts.
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| phosphorism |
chronic phosphorus poisoning; see under poisoning.
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| phosphorized |
containing phosphorus.
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