| HIM | hepatitis-infectious mononucleosis; hexosephosphate isomerase |
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| MPI | mannose phosphate isomerase; master patient index; maximum permitted intake; maximum point of impuls... |
| PGI | phosphoglucose isomerase; potassium, glucose, and insulin; prostaglandin I |
| PHI | passive hemagglutination inhibition; past history of illness; phosphohexose isomerase; physiological... |
| PRI | Pain Rating Index; phosphate reabsorption index; phosphoribose isomerase; placental ribonuclease inh... |
| phosphopentose isomerase | <enzyme> An enzyme catalyzing interconversion of d-ribose 5-phosphate and d-ribulose 5-phosphate; of importance in ribose metabolism and in the pentose phosphate pathway. Synonym: phosphopentose isomerase, phosphoriboisomerase. (05 Mar 2000) |
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| phosphoribosylanthranilate isomerase | <enzyme> Forms 1-(2-carboxyphenylamino)-1-deoxyribulose 5-phosphate; trpf from pseudomonas aeruginosa Registry number: EC 5.3.1.24 Synonym: pra isomerase, prai, n-5'-phosphoribosylanthranilate isomerase, n-(5-phospho-beta-d-ribosyl)anthranilate ketol-isomerase, n-(5'-phosphoribosyl)anthranilate isomerase, trpf gene product (26 Jun 1999) |
| phosphoribosylanthranilate isomerase-indoleglycerol-phosphate synthase | <chemical> EC 5.3.1.24 plus EC 4.1.1.48 Synonym: pai-igps, indoleglycerol phosphate synthase-phosphoribosyl anthranilate isomerase, prai-igps (26 Jun 1999) |
| phosphotriose isomerase | <biochemistry, enzyme> An isomerizing enzyme that during glycolysis, catalyses the reversible interconversion of d-glyceraldehyde 3-phosphate to dihydroxyacetone phosphate and viceversa. A reaction of importance in glycolysis and gluconeogenesis. A deficiency in humans causes congenital nonspherocytic haemolytic anaemia and severe neurological deficits. Synonym: phosphotriose isomerase. Chemical name: D-Glyceraldehyde-3-phosphate ketol isomerase Registry number: EC 5.3.1.1 (12 Dec 1998) |
| muconolactone delta-isomerase | <enzyme> Catalyses the conversion of 4-hydroxy-4-carboxymethylisocrotonolactone to 3-oxoadipate enol-lactone; minor descriptor (75-83); on-line and index medicus search isomerases (75-83) Registry number: EC 5.3.3.4 (26 Jun 1999) |
| polyenoic fatty acid isomerase | <enzyme> Catalyses conversion of arachidonic acid and 5,8,11,14,17-eicosapentaenoic acid to 5,7,9,14-eicosatetraenoic acid and 5,7,9,14,17-eicosapentaenoic acid, respectively Registry number: EC 5.3.3.- Synonym: pfi enzyme (26 Jun 1999) |
| corticosteroid side-chain-isomerase | <enzyme> Converts 11-deoxycorticosterone to 20-hydroxy-3-oxypregn-4-en-21-al; also acts as an epimerase at c-20 Registry number: EC 5.3.1.21 Synonym: corticosteroid side chain isomerase, ccsci (26 Jun 1999) |
| cycloeucalenol-obtusifol isomerase | <enzyme> Opens cyclopropane ring at c9-10 of ring b and forms a double bond between c8 and c9 Registry number: EC 5.3.3.- (26 Jun 1999) |
| S-adenosylmethionine - tRNA ribosyltransferase-isomerase | <enzyme> Converts the queuosine precursor, 7-(aminomethyl)-7-deazaguanine (preq1) to epoxyqueuosine (oq) by attachment of an epoxycyclopentanediol moiety Registry number: EC 2.4.2.- Synonym: quea enzyme, quea gene product (26 Jun 1999) |
| prostacyclin isomerase | <enzyme> No information given on mechanism 3/83 Registry number: EC 5.- Synonym: pgi isomerase (26 Jun 1999) |
| prostaglandin endoperoxide thromboxane isomerase | <enzyme> Converts prostaglandin h2 to thromboxane b2 and 12l-hydroxy-5,8,10-heptadecatrienoic acid Registry number: EC 5.3.99.- Synonym: endoperoxide-tx isomerase, pg endoperoxide thromboxane isomerase (26 Jun 1999) |
| prostaglandin R2 D-isomerase | <enzyme> Prostaglandin d synthase and pgd synthase were non-print entry terms to prostaglandin synthase 1983-91 Registry number: EC 5.3.99.2 Synonym: prostaglandin endoperoxide d-isomerase, prostaglandin h2 d-isomerase, pgd2 isomerase, prostaglandin d2-isomerase, prostaglandin d2 isomerase, pgd synthetase, pgr2 d-isomerase, prostaglandin d synthase, pgd synthase, pgd2 synthase, prostaglandin d2 synthase (26 Jun 1999) |
| protein disulfide-isomerase | <enzyme> An enzyme that catalyses the rearrangement of disulfide bonds within proteins during folding. It is a monomer identical to one of the subunits of procollagen-proline dioxygenase. Chemical name: Protein disulfide-isomerase Registry number: EC 5.3.4.1 (12 Dec 1998) |
| hexosephosphate isomerase | <enzyme> An enzyme that catalyses the reversible interconversion of d-fructose 6-phosphate and d-glucose-6-phosphate; a part of glycolysis and gluconeogenesis; glucosephosphate isomerase deficiency is an inherited disorder resulting in liver glycogenesis and haemolytic anaemia. Synonym: hexosephosphate isomerase, phosphohexomutase, phosphohexose isomerase. (05 Mar 2000) |
| xylose isomerase | <enzyme> Note that xyla has been used to refer to both xylose isomerase and xylanase a Registry number: EC 5.3.1.5 Synonym: glucose isomerase, d-acidic-ketolysoisomerase (26 Jun 1999) |