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  • CHAIN
  • The biosynthesis of catechin begins with ma 4-hydroxycinnamoyl CoA starter unit which undergoes chain extension by the addition of three malonyl-CoAs through a PKSIII pathway. (wikipedia.org)
  • monooxygenase
  • The enzyme 4-methoxybenzoate monooxygenase (O-demethylating) transforms 4-methoxybenzoate, an electron acceptor AH2 and O2 into 4-hydroxybenzoate, formaldehyde, the reduction product A and H2O. (wikipedia.org)
  • The enzyme 4-hydroxybenzoate 3-monooxygenase transforms 4-hydroxybenzoate, NADPH, H+ and O2 into protocatechuate, NADP+ and H2O. (wikipedia.org)
  • The enzyme 4-hydroxybenzoate 3-monooxygenase (NAD(P)H) utilizes 4-hydroxybenzoate, NADH, NADPH, H+ and O2 to produce 3,4-dihydroxybenzoate (protocatechuic acid), NAD+, NADP+ and H2O. (wikipedia.org)
  • metabolism
  • The metF and ligH genes, which are thought to be involved in H 4 folate-mediated C 1 metabolism, were located just downstream of ligM . (pubmedcentralcanada.ca)
  • Proposed O demethylation system linked with H 4 folate-mediated C 1 metabolism in S. paucimobilis SYK-6. (pubmedcentralcanada.ca)
  • Metabolism of 4-amino-3-hydroxybenzoic acid by Bordetella sp. (wikipedia.org)
  • lignin
  • Plant cells are protected with three layers known as middle lamella, primary and secondary cell walls which are made up of carbohydrates (cellulose, hemicellulose and pectin) and lignin [ 1 ] [Figure 1 ] i) Cellulose is a plant polysaccharide and highly abundant organic polymer on the earth, composed of numerous glucose units linked in β (1→4) linkages, occurring in both crystalline and amorphous forms. (ijbs.com)
  • Among the previously determined intermediate metabolites of lignin-derived compounds, 2-pyrone-4,6-dicarboxylate (PDC) has been found to be useful as a starting material for the synthesis of biodegradable polyamides, polyurethanes, and polyesters ( 27 ). (pubmedcentralcanada.ca)
  • Lignin is a challenging feedstock for chemical or biochemical transformations due to its inherent heterogeneity, which varies widely depending on the biomass source and pretreatment strategy ( 3 - 5 ). (asm.org)
  • semialdehyde
  • The product is 2,4-dihydroxy-5-methyl-cis, cis -muconic semialdehyde. (ormedmedical.us)
  • 2-Hydroxymuconate-6-semialdehyde dehydrogenase (EC 1.2.1.85, xylG (gene), praB (gene)) is an enzyme with systematic name (2E,4Z)-2-hydroxy-6-oxohexa-2,4-dienoate:NAD+ oxidoreductase. (wikipedia.org)
  • catalyzes
  • Chalcone synthase then catalyzes the condensation of 4-hydroxycinnamoyl CoA and three molecules of malonyl-CoA to form chalcone. (wikipedia.org)
  • NADH
  • The enzyme 4-hydroxybenzaldehyde dehydrogenase uses 4-hydroxybenzaldehyde, NAD+ and H2O to produce 4-hydroxybenzoate, NADH and H+. (wikipedia.org)
  • activity
  • The spectrop h oto metric titration experiment indicates the relatively low demand of the external base (0.8 equiv based on Fe3+) for attaining the highest dioxygenase activity of complex 1. (diva-portal.org)
  • Chemistry
  • Lloyd, W. G.: In "Methods in Free-Radical Chemistry", Vol. 4 ( E. S. Huyser, ed.), pp. 2-131. (springer.com)
  • Known
  • 4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. (wikipedia.org)
  • 4-Hydroxybenzoic acid is primarily known as the basis for the preparation of its esters, known as parabens, which are used as preservatives in cosmetics and some ophthalmic solutions. (wikipedia.org)
  • The active site of catechol dioxygenases most frequently contains iron, but manganese-containing forms are also known. (wikipedia.org)
  • mass
  • The interaction of the diiron complex 1 and 3,5-di-tert-butylcatechol (H2DBC) was investigated by electronic and mass spectroscopy. (diva-portal.org)
  • produce
  • The enzyme 4-hydroxybenzoyl-CoA thioesterase utilizes 4-hydroxybenzoyl-CoA and H2O to produce 4-hydroxybenzoate and CoA. (wikipedia.org)
  • The enzyme 4-hydroxybenzoate geranyltransferase utilizes geranyl diphosphate and 4-hydroxybenzoate to produce 3-geranyl-4-hydroxybenzoate and diphosphate. (wikipedia.org)
  • gene
  • Examples of recent gene duplication events in signaling as well as dioxygenase clusters are present, indicating selective gene family expansion as a relatively recent event in D. aromatica 's evolutionary history. (biomedcentral.com)
  • The nucleotide sequence of this fragment revealed an open reading frame of 1,413 bp ( ligM ), the deduced amino acid sequence of which showed 49% identity with that of the tetrahydrofolate (H 4 folate)-dependent syringate O -demethylase gene ( desA ). (pubmedcentralcanada.ca)
  • Our investigations have characterized the structures and functions of all of the genes involved in the PCA 4,5-cleavage pathway ( 9 , 10 , 15 , 17 , 21 ) as well as those of the syringate O -demethylase gene ( desA ) ( 16 ). (pubmedcentralcanada.ca)
  • 2-Hydroxymuconate-6-semialdehyde dehydrogenase (EC 1.2.1.85, xylG (gene), praB (gene)) is an enzyme with systematic name (2E,4Z)-2-hydroxy-6-oxohexa-2,4-dienoate:NAD+ oxidoreductase. (wikipedia.org)
  • genes
  • The metF and ligH genes, which are thought to be involved in H 4 folate-mediated C 1 metabolism, were located just downstream of ligM . (pubmedcentralcanada.ca)
  • substrate
  • An early example of the binding of a two-substrate analog was the inhibition of aspartate transcarbamylase (ATCase) by N-(phosphonoacetyl)-L-aspartate (PALA), which is shown in structure 5-1. (centrallakesclinic.biz)
  • Benzoate
  • Cryptanaerobacter phenolicus is a bacterium species that produces benzoate from phenol via 4-hydroxybenzoate. (wikipedia.org)
  • Benzoate 4-monooxygenase is an enzyme that utilizes benzoate, NADPH, H+ and O2 to produce 4-hydroxybenzoate, NADP+ and H2O. (wikipedia.org)
  • compounds
  • Among the previously determined intermediate metabolites of lignin-derived compounds, 2-pyrone-4,6-dicarboxylate (PDC) has been found to be useful as a starting material for the synthesis of biodegradable polyamides, polyurethanes, and polyesters ( 27 ). (pubmedcentralcanada.ca)
  • Tightest binding compounds were quinate, shikimate, 3-dehydroshikimate and protocatechuate, which are at the interception of the biosynthetic shikimate and catabolic quinate pathways. (frontiersin.org)