• Thumbnail for Spermidine synthase
    Spermidine synthase is an enzyme (EC 2.5.1.16) that catalyzes the transfer of the propylamine group from S-adenosylmethioninamine to putrescine in the...
    6 KB (624 words) - 18:37, 23 January 2024
  • Thumbnail for Spermidine
    various metabolic functions within organisms. Spermidine is an aliphatic polyamine. Spermidine synthase (SPDS) catalyzes its formation from putrescine...
    17 KB (1,407 words) - 05:58, 29 October 2024
  • enzymology, a homospermidine synthase (spermidine-specific) (EC 2.5.1.45) is an enzyme that catalyzes the chemical reaction spermidine + putrescine ⇌ {\displaystyle...
    2 KB (209 words) - 18:36, 23 January 2024
  • catalyzed by spermidine synthase. Spermine is synthesized from the reaction of spermidine with SAM in the presence of the enzyme spermine synthase. The polyamines...
    15 KB (1,640 words) - 03:38, 18 November 2024
  • BpsA (N(4)-bis(aminopropyl)spermidine synthase) is a single-module non-ribosomal peptide synthase (NRPS) (also see non-ribosomal peptide (NPR)) located...
    8 KB (850 words) - 00:57, 18 June 2024
  • Thumbnail for Putrescine
    described. Spermidine synthase uses putrescine and S-adenosylmethioninamine (decarboxylated S-adenosyl methionine) to produce spermidine. Spermidine in turn...
    23 KB (2,185 words) - 19:05, 30 September 2024
  • Deoxyhypusine synthase (EC 2.5.1.46, spermidine:eIF5A-lysine 4-aminobutyltransferase (propane-1,3-diamine-forming)) is an enzyme with systematic name...
    5 KB (509 words) - 13:47, 26 August 2023
  • {\displaystyle \rightleftharpoons } sym-homospermidine + NH3 + H+ (2) putrescine + spermidine ⇌ {\displaystyle \rightleftharpoons } sym-homospermidine + propane-1,3-diamine...
    3 KB (291 words) - 14:28, 26 August 2023
  • Thermospermine synthase (EC 2.5.1.79, TSPMS, ACL5 (ACAULIS5), SAC51) is an enzyme with systematic name S-adenosylmethioninamine:spermidine 3-aminopropyltransferase...
    2 KB (194 words) - 16:01, 26 August 2023
  • DJ, Woster PM, Phillips MA, Michael AJ (December 2011). "Alternative spermidine biosynthetic route is critical for growth of Campylobacter jejuni and...
    2 KB (233 words) - 02:07, 30 March 2024
  • a glutathionylspermidine synthase (EC 6.3.1.8) is an enzyme that catalyzes the chemical reaction glutathione + spermidine + ATP ⇌ {\displaystyle \rightleftharpoons...
    3 KB (235 words) - 14:19, 26 August 2023
  • current name reflects their relative upregulation in testes SPAG7 SRM Spermidine synthase TEGT Bax-1 inhibitor DAZAP2 Deleted in azoospermia MEA1 Male enhanced...
    48 KB (4,612 words) - 23:41, 12 December 2023
  • important in the synthesis of many plant alkaloids. It evolved from spermidine synthase. Biastoff S, Brandt W, Dräger B (2009-10-01). "Putrescine N-methyltransferase--the...
    2 KB (229 words) - 15:37, 26 August 2023
  • Thumbnail for Trypanothione synthase
    + ATP ⇌ {\displaystyle \rightleftharpoons } N1,N8-bis(glutathionyl)spermidine + ADP + phosphate The 3 substrates of this enzyme are glutathione,...
    10 KB (1,277 words) - 10:17, 20 September 2024
  • Thereafter the enzyme spermidine synthase effects two N-alkylation by decarboxy-S-adenosyl methionine. The intermediate is spermidine. Plants employ additional...
    9 KB (704 words) - 07:11, 6 February 2024
  • Thumbnail for S-Adenosylmethioninamine
    methionine. Adenosylmethionine decarboxylase (AMD1) Spermidine synthase Spermine synthase Thermospermine synthase (ACAULIS5) Takahashi, Taku; Kakehi, Jun-Ichi...
    3 KB (75 words) - 03:21, 17 October 2023
  • 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
  • Thumbnail for Ornithine decarboxylase
    division. Spermidine synthase can then catalyze the conversion of putrescine to spermidine by the attachment of an aminopropyl moiety. Spermidine is a precursor...
    19 KB (2,082 words) - 12:53, 9 January 2024
  • Montevideo in 1939 Spee Club, a coed final club at Harvard University Spermidine synthase, an enzyme This disambiguation page lists articles associated with...
    842 bytes (128 words) - 09:27, 5 December 2021
  • Thumbnail for Monocrotaline
    propylamino group from decarboxylated S-adenosylmethioninamine (4: spermidine synthase). Spermidine and another molecule of putrescine react to form the symmetric...
    17 KB (1,448 words) - 10:59, 2 October 2024
  • Thumbnail for DHPS
    hypusine biosynthesis, deoxyhypusine synthase catalyzes the NAD-dependent transfer of the butylamine moiety of spermidine to the epsilon-amino group of a specific...
    10 KB (917 words) - 19:32, 2 December 2023
  • nicotianamine synthase EC 2.5.1.44: homospermidine synthase EC 2.5.1.45: homospermidine synthase (spermidine-specific) EC 2.5.1.46: deoxyhypusine synthase EC 2...
    215 KB (21,664 words) - 23:41, 8 May 2024
  • Thumbnail for SMS (gene)
    Spermine synthase is an enzyme that in humans is encoded by the SMS gene. The protein encoded by this gene belongs to the spermidine/spermine synthases family...
    4 KB (519 words) - 07:00, 18 December 2023
  • Thumbnail for Herbert Tabor
    the structure and regulation of ornithine decarboxylase, spermidine synthase, spermine synthase, and S-adenosylmethionine decarboxylase. Tabor was elected...
    7 KB (591 words) - 09:27, 30 June 2024
  • Thumbnail for Thomas Hartmann (biologist)
    the gene for homospermidine synthase (EC 2.5.1.44) evolved from the gene for deoxyhypusine synthase (EC 2.5.1.46, spermidine:eIF5A-lysine 4-aminobutyltransferase)...
    17 KB (1,872 words) - 22:40, 12 June 2023
  • and two enzymes are involved: 1. Deoxyhypusine synthase catalyzes the cleavage of the polyamine spermidine and transfer of its 4-aminobutyl moiety to the...
    4 KB (399 words) - 14:10, 7 October 2023
  • Thumbnail for Apigenin
    Entering the flavone synthesis pathway, the type III polyketide synthase enzyme chalcone synthase (CHS) uses consecutive condensations of three equivalents...
    12 KB (1,048 words) - 22:47, 25 October 2024
  • Thumbnail for Clavulanic acid
    3 enzymes: clavaminate synthase, β-lactam synthetase, and N2-(2-carboxyethyl)-L-arginine (CEA) synthase. Clavaminate synthase is a non-heme oxygenase...
    24 KB (2,140 words) - 02:36, 10 November 2024
  • Thumbnail for Senecionine
    readily converted to putrescine and spermidine. Next, in an NAD+-dependent reaction catalyzed by homospermidine synthase (HSS), an aminopropyl group from...
    17 KB (1,691 words) - 22:35, 8 March 2024
  • Thumbnail for Pyrrolizidine alkaloid
    homospermidine synthase. The polyamines putrescine and spermidine are derived from the basic amino acid arginine. Subsequently, homospermidine synthase exchanges...
    37 KB (3,571 words) - 22:15, 15 September 2024