serine

[ser-een, -in, seer-]

noun

Biochemistry.

1. a crystalline amino acid, HOCH 2 CH(NH2 )COOH, found in many proteins and obtained by the hydrolysis of sericin, the protein constituting silk gum. Ser; S

serine

/ -rɪn, ˈsɪəriːn, ˈsɛriːn /

noun

1. a sweet-tasting amino acid that is synthesized in the body and is involved in the synthesis of cysteine; 2-amino-3-hydroxypropanoic acid. Formula: CH 2 (OH)CH(NH 2 )COOH

serine

1. A nonessential amino acid. Chemical formula: C ₃ H ₇ NO ₃ .

2. See more at amino acid

Word History and Origins

Origin of serine¹

First recorded in 1875–80; ser(um) + -ine ²

Word History and Origins

Origin of serine¹

C19: from _sericin + _-ine ²

Example Sentences

They found that hypertensive pulmonary blood vessel cells have a voracious appetite for two amino acids, glutamine and serine, and -- as happens with any unbalanced diet -- there are consequences.

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One of the chemicals the bacteria seemed particularly drawn to was serine, an amino acid found in human blood that is also a common ingredient in protein drinks.

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They devised tRNAs that actively ruin viral proteins by delivering the wrong amino acids—including proline and alanine—in response to outsiders’ serine codons.

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As with serine, depriving mice of one of those amino acids apparently disrupts metabolic cycles by which cancer cells respond to oxidative stress, synthesize DNA, and turn genes off and on.

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This redundancy means, for example, that there are six codons that encode the amino acid serine, and three possible stop codons.

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