dinucleotide

American  

[dahy-noo-klee-uh-tahyd, -nyoo-] / daɪˈnu kli əˌtaɪd, -ˈnyu- /

noun

Biochemistry.

1. a molecule composed of two nucleotide subunits.

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Etymology

Origin of dinucleotide

First recorded in 1925–30; di- ¹ + nucleotide

Example Sentences

NMNAT2 is a vital provider of nicotinamide adenine dinucleotide for the brain.

From Science Daily

Their findings reveal a previously unknown dinucleotide binding pocket within the DnaA oligomer, where two bases of a repeating DnaA-trio sequence tightly bind, enabling the capture of a single DNA strand.

From Science Daily

Figure 1 | A cellular defence pathway that protects bacteria and humans. a, On recognition of signs of infection, such as the abnormal presence of cytoplasmic DNA, the human enzyme cGAS produces a type of molecule termed a cyclic dinucleotide.

From Nature

In response to an unknown viral cue, the bacterial cGAS-like enzyme CdnE produces the cyclic dinucleotide 3′,3′ c-di-GMP, in which the nucleotides are joined only by 3′–5′ linkages.

From Nature

Research by Charles Brenner of the University of Iowa, Anthony Fehr of the University of Kansas and Michael Coehn of Oregon Health & Science University are examining the role of a substance central to cell metabolism, known as nicotinamide adenine dinucleotide, or NAD.

From Los Angeles Times