• Spermine is a polyamine involved in cellular metabolism that is found in all eukaryotic cells. The precursor for synthesis of spermine is the amino acid...
    9 KB (704 words) - 07:11, 6 February 2024
  • The principal examples are the triamine spermidine and the tetraamine spermine. They are structurally and biosynthetically related to the diamines putrescine...
    15 KB (1,645 words) - 14:28, 22 June 2024
  • instructions for producing the enzyme spermine synthase. Spermine synthase in turn helps the body produce spermine, a polyamine critical to cell processes...
    9 KB (825 words) - 21:39, 11 August 2023
  • Thumbnail for SAT1 (gene)
    the N(1)-acetylation of spermidine and spermine and, by the successive activity of polyamine oxidase, spermine can be converted to spermidine and spermidine...
    18 KB (2,126 words) - 17:52, 9 January 2024
  • Thumbnail for Spermidine
    formation from putrescine. It is a precursor to other polyamines, such as spermine and its structural isomer thermospermine. Spermidine synchronizes an array...
    16 KB (1,387 words) - 03:16, 6 July 2024
  • Spermine synthase (EC 2.5.1.22, spermidine aminopropyltransferase, spermine synthetase) is an enzyme that converts spermidine into spermine. This enzyme...
    3 KB (318 words) - 15:51, 26 August 2023
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    is a spermine metabolite of cholesterol. The steroid ring consists of a cholestane with a hydroxyl group at C-7 and sulfate group at C-24; spermine is conjugated...
    14 KB (1,136 words) - 09:28, 30 June 2024
  • Spermine oxidase (EC 1.5.3.16, PAOh1/SMO, AtPAO1, AtPAO4, SMO) is an enzyme with systematic name spermidine:oxygen oxidoreductase (spermidine-forming)...
    2 KB (242 words) - 15:51, 26 August 2023
  • Thumbnail for S-Adenosylmethioninamine
    that is required for the biosynthesis of polyamines including spermidine, spermine, and thermospermine. It is produced by decarboxylation of S-adenosyl methionine...
    3 KB (75 words) - 03:21, 17 October 2023
  • Thumbnail for Putrescine
    is combined with another S-adenosylmethioninamine and gets converted to spermine. Putrescine is synthesized in small quantities by healthy living cells...
    16 KB (1,495 words) - 17:22, 30 May 2024