• Thumbnail for Methionine
    Methionine (symbol Met or M) (/mɪˈθaɪəniːn/) is an essential amino acid in humans. As the precursor of other non-essential amino acids such as cysteine...
    29 KB (2,980 words) - 21:11, 23 March 2024
  • Thumbnail for Methionine sulfoxide
    Oxidation of the sulfur of methionine results in methionine sulfoxide or methionine sulfone. The sulfur-containing amino acids methionine and cysteine are more...
    9 KB (997 words) - 16:59, 17 September 2023
  • Thumbnail for Methionine synthase
    Methionine synthase (MS, MeSe, MTR) is responsible for the regeneration of methionine from homocysteine. In humans it is encoded by the MTR gene...
    30 KB (3,433 words) - 16:22, 11 April 2024
  • Thumbnail for Methionine gamma-lyase
    The enzyme methionine γ-lyase (EC 4.4.1.11, MGL) is in the γ-family of PLP-dependent enzymes. It degrades sulfur-containing amino acids to α-keto acids...
    13 KB (1,573 words) - 14:55, 26 August 2023
  • Thumbnail for S-Adenosyl methionine
    S-Adenosyl methionine (SAM), also known under the commercial names of SAMe, SAM-e, or AdoMet, is a common cosubstrate involved in methyl group transfers...
    23 KB (2,413 words) - 06:39, 27 March 2024
  • Methionine transaminase (EC 2.6.1.88, methionine-oxo-acid transaminase) is an enzyme with systematic name L-methionine:2-oxo-acid aminotransferase. This...
    2 KB (195 words) - 14:55, 26 August 2023
  • Thumbnail for Methionine sulfoximine
    Methionine sulfoximine (MSO, also known as MetSox) is an irreversible glutamine synthetase inhibitor. It is the sulfoximine derivative of methionine with...
    4 KB (367 words) - 16:59, 17 September 2023
  • In enzymology, a methionine-glyoxylate transaminase (EC 2.6.1.73) is an enzyme that catalyzes the chemical reaction L-methionine + glyoxylate ⇌ {\displaystyle...
    2 KB (125 words) - 14:55, 26 August 2023
  • a methionine racemase (EC 5.1.1.2) is an enzyme that catalyzes the chemical reaction L-methionine ⇌ {\displaystyle \rightleftharpoons } D-methionine Hence...
    1 KB (134 words) - 11:54, 17 October 2023
  • The enzyme methionine decarboxylase (EC 4.1.1.57) catalyzes the chemical reaction L-methionine ⇌ {\displaystyle \rightleftharpoons } 3-methylthiopropyl...
    1 KB (104 words) - 14:55, 26 August 2023
  • Thumbnail for N-Formylmethionine
    N-Formylmethionine (fMet, HCO-Met, For-Met) is a derivative of the amino acid methionine in which a formyl group has been added to the amino group. It is specifically...
    11 KB (1,188 words) - 10:24, 3 February 2024
  • Thumbnail for L-Photo-methionine
    L-Photo-methionine is a photo-reactive amino acid derivative of L-methionine that was synthetically formed in 2005. Protein are long polymer chains of...
    21 KB (2,542 words) - 09:55, 8 November 2023
  • enzymology, a methionine S-methyltransferase (EC 2.1.1.12) is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + L-methionine ⇌{\displaystyle...
    2 KB (168 words) - 14:55, 26 August 2023
  • Methionyl aminopeptidase (EC 3.4.11.18, methionine aminopeptidase, peptidase M, L-methionine aminopeptidase, MAP) is an enzyme. This enzyme catalyses the...
    3 KB (251 words) - 09:31, 2 January 2024
  • Thumbnail for S-Methylmethionine
    S-Methylmethionine (SMM) is a derivative of methionine with the chemical formula (CH3)2S+CH2CH2CH(NH3+)CO2−. This cation is a naturally-occurring intermediate...
    6 KB (460 words) - 11:20, 11 November 2023
  • In enzymology, a D-methionine—pyruvate transaminase (EC 2.6.1.41) is an enzyme that catalyzes the chemical reaction D-methionine + pyruvate ⇌ {\displaystyle...
    2 KB (139 words) - 13:43, 26 August 2023
  • Thumbnail for Methionine (data page)
    Standard temperature and pressure. Reliability of data general note. ^a 63-68-3 EINECS for L-Methionine ^a CID 876 from PubChem ^a CID 6137 from PubChem...
    3 KB (38 words) - 11:36, 12 April 2023
  • Thumbnail for (Methionine synthase) reductase
    [Methionine synthase] reductase, or Methionine synthase reductase, encoded by the gene MTRR, is an enzyme that is responsible for the reduction of methionine...
    5 KB (528 words) - 12:18, 26 August 2023
  • Thumbnail for Homocysteine
    biosynthesized from methionine by the removal of its terminal Cε methyl group. In the body, homocysteine can be recycled into methionine or converted into...
    24 KB (2,001 words) - 17:17, 20 November 2023
  • Thumbnail for Homocystinuria
    of the metabolism of the amino acid methionine due to a deficiency of cystathionine beta synthase or methionine synthase. It is an inherited autosomal...
    12 KB (1,349 words) - 19:14, 29 October 2023
  • amino acids humans cannot synthesize are valine, isoleucine, leucine, methionine, phenylalanine, tryptophan, threonine, histidine, and lysine. Six other...
    27 KB (2,690 words) - 14:37, 5 May 2024
  • Methionine-S-oxide reductase (EC 1.8.4.5, methyl sulfoxide reductase I and II, acetylmethionine sulfoxide reductase, methionine sulfoxide reductase,...
    2 KB (177 words) - 14:55, 26 August 2023
  • Thumbnail for Fatal insomnia
    variations of the disease, these being those presenting methionine homozygotes at codon 129 and methionine/valine heterozygotes being the most severe in the...
    25 KB (2,793 words) - 10:48, 3 April 2024
  • Thumbnail for S-Adenosylmethionine synthetase enzyme
    as methionine adenosyltransferase (MAT), is an enzyme that creates S-adenosylmethionine (also known as AdoMet, SAM or SAMe) by reacting methionine (a...
    9 KB (908 words) - 09:13, 29 March 2024
  • Methionine sulfoxide reductase may refer to: Methionine-S-oxide reductase L-methionine (S)-S-oxide reductase This set index page lists enzyme articles...
    437 bytes (49 words) - 19:36, 4 February 2015
  • Thumbnail for Botany
    is a gaseous hormone that is produced in all higher plant tissues from methionine. It is now known to be the hormone that stimulates or regulates fruit...
    136 KB (14,353 words) - 22:02, 8 May 2024
  • Thumbnail for Amino acid synthesis
    of lysine, asparagine, methionine, threonine, and isoleucine. Aspartate can be converted into lysine, asparagine, methionine and threonine. Threonine...
    31 KB (3,929 words) - 22:03, 28 April 2024
  • Thumbnail for Cyanocobalamin
    Methylcobalamin and 5-methyltetrahydrofolate are needed by methionine synthase in the methionine cycle to transfer a methyl group from 5-methyltetrahydrofolate...
    29 KB (2,633 words) - 05:45, 7 May 2024
  • Thumbnail for Levomefolic acid
    10-methylenetetrahydrofolate (MTHF) and used to recycle homocysteine back to methionine by methionine synthase (MS). L-Methylfolate is water-soluble and primarily excreted...
    14 KB (1,115 words) - 10:55, 22 April 2024
  • Peptide-methionine (S)-S-oxide reductase (EC 1.8.4.11, MsrA, methionine sulphoxide reductase A, methionine S-oxide reductase (S-form oxidizing), methionine sulfoxide...
    5 KB (548 words) - 15:19, 26 August 2023