| peptidylprolyl isomerase | <enzyme> An enzyme that catalyses the isomerization of proline residues within proteins. Chemical name: Peptidylproline cis-trans-isomerase Registry number: EC 5.2.1.8 (12 Dec 1998) |
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| chalcone isomerase | <enzyme> Required for biosynthesis of flavonoid pigments and isoflavonoid phytoalexins; ubiquitous in all plants studied Registry number: EC 5.5.1.6 Synonym: chalcone-flavanone isomerase (26 Jun 1999) |
| ribose-5-phosphate 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) |
| phosphoglucose isomerase | <enzyme> In glycolysis, phosphoglucose isomerase is the enzyme responsible for the isomerisation of glucose-6-phosphate, an aldose, toFructose 6-phosphate, a ketose. (09 Oct 1997) |
| phosphoheptose isomerase | <enzyme> Sedoheptulose-7-p is converted to d-glycero-d-manno-heptulose Registry number: EC 5.3.1.- (26 Jun 1999) |
| phosphohexose 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) |
| phosphohexose isomerase deficiency | <enzyme> An enzyme deficiency characterised by chronic nonspherocytic haemolytic anaemia; autosomal recessive inheritance. Synonym: phosphohexose isomerase deficiency. (05 Mar 2000) |
| phosphomannose isomerase-guanosine diphospho-D-mannose pyrophosphorylase | <chemical> Encoded by alfa gene; from pseudomonas aeruginosa; similar to pssm protein; amino acid sequence given in first source;see also separate records for EC 2.7.7.13 (GDPmannose pyrophosphorylase) and EC 5.3.1.8 (mannosephosphate isomerase) Synonym: pmi-GMP, alga protein (26 Jun 1999) |
| 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) |
| 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) |