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epimer

Line breaks: epi¦mer
Pronunciation: /ˈɛpɪmə
 
/

Definition of epimer in English:

noun

Chemistry
Each of two isomers with different configurations of atoms about one of several asymmetric carbon atoms present.
Example sentences
  • However, it has not been unraveled why so many different BChI homologs and epimers exist in chlorosomes and how they arrange themselves to form light-harvesting antennas.
  • Yet, fungi could probably utilize the glucuronic acid residue in glucuronides as a carbon source because they can metabolize galacturonic acid, an epimer of glucuronic acid.
  • To our knowledge, this is the first example of two highly homologous enzymes belonging to the same gene family, and catalyzing the formation of two distinct epimers from a same substrate.

Derivatives

epimeric

1
Pronunciation: /-ˈmɛrɪk/
adjective
Example sentences
  • X-ray crystallographic studies revealed that the KP - 23 molecule crystallizes in epimeric form in the triclinic P1 space group and possesses four chiral centers.
  • The spectral properties of the Soret band were basically unchanged among the epimers or epimeric / homologous mixtures.
  • Despite having the same secondary 3 1 hydroxyl group as 2R, the epimeric 3 1 isomer 2S shows a less-red-shifted absorption band than 2R.

epimerism

2
Pronunciation: /ɪˈpɪm-, ɛ-/
noun
Example sentences
  • As shown in the above Table, epimerism did not occur in the present invention.
  • Both epimerism and degree of oligomerization are important determinants of the antioxidant activity of flavan-3-ols and procyanidins.

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seeking to emulate someone or something