| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |
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| OMP | <abbreviation> Oligo-N-methylmorpholinium propylene oxide; orotidylic acid; orotidylate; orotidine 5'-monophosphate. (05 Mar 2000) |
| OMP decarboxylase | <enzyme> An enzyme that catalyses the conversion of OMP to UMP and CO2; a defect or inhibition of this enzyme will result in orotic aciduria and orotidinuria; this enzyme is a part of pyrimidine biosynthesis. Compare: uridylic acid synthase. Synonym: OMP decarboxylase. (05 Mar 2000) |
| OMP pyrophosphorylase | <enzyme> The enzyme catalyzing the formation of orotidine-5'-phosphoric acid (orotidylic acid) from orotic acid and 5-phosphoribosyl-1-pyrophosphate in the course of pyrimidine nucleotide biosynthesis. Chemical name: Orotidine-5'-phosphate:pyrophosphate phospho-alpha-D-ribosyltransferase Registry number: EC 2.4.2.10 (12 Dec 1998) |