adenosyln.
/əˈdɛnə(ʊ)sɪl/, /əˈdɛnə(ʊ)sʌɪl/, U.S. /əˈdɛnəˌsɪl/ Biochemistry.
A radical formed by the loss of a hydroxyl group from the ribose part of the adenosine molecule. Usually attributive or in the names of chemical compounds.
ΚΠ
1952 G. L. Cantoni in Jrnl. Amer. Chem. Soc. 74 2943/1 The compound formed from l-methionine and ATP by the action of the methionone-activating enzyme, which has been designated heretofore as active methionine, might more properly be referred to as S-adenosyl-methionine.
1958 Science 8 Aug. 310/3 ATP + A → adenosyl-A + pyrophosphate + phosphate.
1960 Tetrahedron Lett. No. 25. 28 These results provide the first unequivocal demonstration of methyl transfer from methionine (probably as the S-adenosyl derivative) to carbon in an aromatic ring system.
2001 Vitamins & Hormones 50 354 The bile contains 5 μg of the vitamin (in form of adenosyl), of which 70% is reabsorbed.
2010 S. Gambarelli et al. in G. Hanson & L. Berliner Metals in Biol. iv. 58 The adenosyl radical resulting from the reductive cleavage of SAM converts the lysine substrate..into a substrate radical.
This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1952