from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One of a group of enzymes that catalyzes the conversion of one isomer into another.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any enzyme which catalyzes the conversion of one isomeric form of a chemical compound to another.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an enzyme that catalyzes its substrate to an isomeric form


Sorry, no etymologies found.


  • The specificity of glucose-6-P isomerase is unusual.

    Irwin Rose - Autobiography

  • < 1, 3 > [2, 3] S Additional information (molecular mechanism of intracellular degradation of type I collagen in normal corneal endothelial cells, role of the enzyme and protein-disulfide isomerase, which is the b subunit of the enzyme, during procollagen I biosynthesis [72]) [72] P?

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  • The region includes genes encoding a CoA-dependent methylmalonate semialdehyde dehydrogenase (dntE), a putative NADH-dependent dehydrogenase (ORF13), and a bifunctional isomerase/hydrolase (dntG).

    Casey Luskin on Kitzmiller & Information

  • What, on earth, compelled anyone to use xylose isomerase and oligosaccharides in the first place?

    Sophie Brickman: Why Is It Easier To Buy A Gun Than High-Fructose Corn Syrup?

  • The product is manipulated, using a process that includes alpha-amylase, oligosaccharides, and xylose isomerase, into a syrup that is anywhere from 90% fructose/10% glucose to 42% fructose/58% glucose.

    Sophie Brickman: Why Is It Easier To Buy A Gun Than High-Fructose Corn Syrup?

  • We had been mistakenly unsuccessful in not finding the small amount of transfer that was later detected in the triose P isomerase reaction.

    Irwin Rose - Autobiography

  • When G6P was used with isomerase in D2O the colorimetric analysis for fructose-6-P passed through a maximum before reaching a final value.

    Irwin Rose - Autobiography

  • In unrelated experiments I observed a puzzling phenomenon with G6P isomerase.

    Irwin Rose - Autobiography

  • Aconitate isomerase catalyzes the interconversion of cis - and trans-aconitate by a 1, 3 allylic rearrangement that uses the (pro-S) hydrogens of the two substrates.

    Irwin Rose - Autobiography

  • The physical separation of H - from D-labeled molecules made possible by their different rates of reaction was used to establish that the transfer of hydrogen in G6P isomerase was intramolecular9 and that the site of attachment of CO2 to ribulose-1, 5-P2 to produce two molecules of phosphoglyceric acid had to be to C-2 rather than C-4 in the RUDP carboxylase reaction47.

    Irwin Rose - Autobiography


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