glutamine

[gloo-tuh-meen, -min]

noun

Biochemistry.

1. a crystalline amino acid, HOOCCH(NH2 )CH 2 CH 2 CONH 2 , related to glutamic acid. Gln; Q

glutamine

/ ˈɡluːtəˌmiːn, -mɪn /

noun

1. a nonessential amino acid occurring in proteins: plays an important role in protein metabolism

glutamine

1. A nonessential amino acid. Chemical formula: C ₅ H ₁₀ N ₂ O ₃ .

2. See more at amino acid

Word History and Origins

Origin of glutamine¹

First recorded in 1880–85; glut(en) + -amine

Word History and Origins

Origin of glutamine¹

C19: from _glut ( _en ) + _-amine

Example Sentences

A switch from glutamine to leucinein resulting from just one mutation could switch the virus from being able to easily bind to avian, or bird, receptors to favouring human receptors in the respiratory tract.

Read more on Salon

And the glutamine substitution, together with another mutation in the same virus at position 190, could have the same effect as the 226L.

Read more on Science Magazine

Lo and behold, when they switched a glutamine to a leucine at position 226, it no longer bound to the bird receptors, but instead exclusively to those of humans.

Read more on Los Angeles Times

Zarif and his colleagues previously demonstrated that macrophage precursor cells called monocytes will develop into immune-activating macrophages if they are grown in a laboratory setting without glutamine.

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Each color in this slice of a mouse’s eye is a different amino acid; green is glutamine, pink is taurine and blue is glutamate.

Read more on New York Times