flavin

¹ American  

[fley-vin] / ˈfleɪ vɪn /

noun

Biochemistry.

1. a complex heterocyclic ketone that is common to the nonprotein part of several important yellow enzymes, the flavoproteins.

2. quercetin.

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-flavin ² American  

1. a combining form occurring in compound words which denote natural derivatives of flavin.

   riboflavin.

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flavin British  

/ ˈfleɪvɪn /

noun

1. a heterocyclic ketone that forms the nucleus of certain natural yellow pigments, such as riboflavin. Formula: C 10 H 6 N 4 O 2 See flavoprotein

2. any yellow pigment based on flavin

3. another name for quercetin

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Etymology

Origin of flavin

First recorded in 1850–55; flav- + -in ²

Example Sentences

In phototropins, the chromophore is a covalently-bound molecule of flavin; hence, phototropins belong to a class of proteins called flavoproteins.

From Textbooks • Jun. 9, 2022

Complex IV contains a molecule of flavin mononucleotide and iron-sulfur clusters.

From Textbooks • Jun. 9, 2022

Immediately after the FAD absorbs a blue photon, an electron from the nearest tryptophan hops onto the flavin portion of the FAD.

From Scientific American • Mar. 15, 2022

Remove yarn, enter flavin, madder and tin, take off the boil, enter yarn and stir well.

From Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer by Mairet, Ethel M.

Add 6 oz. fustic or 1 oz. flavin to cutch bath, re-enter cotton.

From Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer by Mairet, Ethel M.