• Thumbnail for Cofactor (biochemistry)
    A cofactor is a non-protein chemical compound or metallic ion that is required for an enzyme's role as a catalyst (a catalyst is a substance that increases...
    48 KB (4,932 words) - 01:48, 6 December 2024
  • Thumbnail for Nicotinamide adenine dinucleotide
    "From Genetic Footprinting to Antimicrobial Drug Targets: Examples in Cofactor Biosynthetic Pathways". J. Bacteriol. 184 (16): 4555–4572. doi:10.1128/JB...
    80 KB (9,086 words) - 23:51, 16 December 2024
  • Thumbnail for Enzyme
    carboxylase). An example of an enzyme that contains a cofactor is carbonic anhydrase, which uses a zinc cofactor bound as part of its active site. These tightly...
    97 KB (9,890 words) - 18:35, 2 December 2024
  • Thumbnail for Pyrroloquinoline quinone
    Pyrroloquinoline quinone (PQQ), also called methoxatin, is a redox cofactor and antioxidant. Quinoprotein glucose dehydrogenase is used as a glucose sensor...
    11 KB (1,056 words) - 01:54, 1 January 2025
  • Prosthetic group (category Cofactors)
    property. Prosthetic groups are a subset of cofactors. Loosely bound metal ions and coenzymes are still cofactors, but are generally not called prosthetic...
    8 KB (817 words) - 23:04, 18 October 2024
  • activity. Others require non-protein molecules called cofactors to be bound for activity. Cofactors can be either inorganic (e.g., metal ions and iron-sulfur...
    4 KB (405 words) - 04:35, 26 September 2024
  • Thumbnail for Heparin cofactor II
    Heparin cofactor II (HCII), a protein encoded by the SERPIND1 gene, is a coagulation factor that inhibits IIa, and is a cofactor for heparin and dermatan...
    12 KB (1,457 words) - 12:18, 21 October 2024
  • Thumbnail for Vitamin B12-binding domain
    allow the cobalamin cofactor to bind the activation domain. Krautler B (August 2005). "Vitamin B12: chemistry and biochemistry". Biochem. Soc. Trans. 33 (Pt...
    7 KB (770 words) - 17:55, 11 March 2024
  • Thumbnail for Biotin
    Biotin (category Cofactors)
    Propionyl-CoA carboxylase (PCC) For the first two, biotin serves as a cofactor responsible for transfer of bicarbonate to acetyl-CoA, converting it to...
    48 KB (5,181 words) - 01:08, 5 December 2024
  • Nickel-Pincer Cofactor Operates by a Proton-Coupled Hydride Transfer Mechanism". Biochemistry. 57 (23): 3244–3251. doi:10.1021/acs.biochem.8b00100. OSTI 1502215...
    8 KB (936 words) - 14:43, 26 August 2023
  • Thumbnail for Sodium-hydrogen exchange regulatory cofactor 2
    Sodium-hydrogen exchange regulatory cofactor NHE-RF2 (NHERF-2) also known as tyrosine kinase activator protein 1 (TKA-1) or SRY-interacting protein 1 (SIP-1)...
    14 KB (1,775 words) - 06:46, 28 December 2023
  • Thumbnail for Oxygenase
    oxygenases contain either a metal, usually iron, or an organic cofactor, usually flavin. These cofactors interact with O2, leading to its transfer to substrate...
    4 KB (455 words) - 12:00, 5 November 2024
  • decarboxylation. During the process, coenzyme A is added. With B12 as an enzymatic cofactor, it is also synthesized from propionyl CoA, the odd-numbered fatty acid...
    5 KB (308 words) - 06:20, 2 January 2025
  • involves the enzyme methionine synthase (MS), which requires vitamin B12 as a cofactor, and also depends indirectly on folate and other B vitamins. A second pathway...
    3 KB (369 words) - 16:05, 11 April 2024
  • Thumbnail for Cofactor of BRCA1
    Cofactor of BRCA1, also known as COBRA1, is a human gene that encodes NELF-B. NELF-B is a subunit of negative elongation factor (NELF), which also includes...
    11 KB (1,463 words) - 17:54, 20 November 2023
  • Thumbnail for Cys/Met metabolism PLP-dependent enzyme family
    and methionine metabolism which use PLP (pyridoxal-5'-phosphate) as a cofactor. PLP is employed as it binds to amino groups and stabilises carbanion intermediates...
    6 KB (610 words) - 23:53, 12 August 2023
  • Thumbnail for Nicotinamide adenine dinucleotide phosphate
    NADP or, in older notation, TPN (triphosphopyridine nucleotide), is a cofactor used in anabolic reactions, such as the Calvin cycle and lipid and nucleic...
    16 KB (1,653 words) - 19:14, 23 December 2024
  • Thumbnail for Aminolevulinic acid synthase
    of cofactor pyridoxal 5’-phosphate (PLP) whose role in this synthesis is detailed in the image below. Before the reaction can begin, the PLP cofactor binds...
    10 KB (1,308 words) - 19:05, 13 February 2024
  • Thumbnail for S-Adenosyl methionine
    and anaerobic sulfatases, lysine 2,3-aminomutase, and various enzymes of cofactor biosynthesis, peptide modification, metalloprotein cluster formation, tRNA...
    24 KB (2,420 words) - 14:11, 17 December 2024
  • Thumbnail for Homocitric acid
    component of the iron-molybdenum cofactor of certain nitrogenase proteins. Biochemists often refer to this cofactor as homocitrate, which is the conjugate...
    2 KB (119 words) - 13:09, 18 July 2023
  • Thumbnail for Molybdenum
    congenital cofactor deficiency. A congenital molybdenum cofactor deficiency disease, seen in infants, is an inability to synthesize molybdenum cofactor, the...
    75 KB (8,585 words) - 01:19, 23 December 2024
  • This enzyme participates in monoterpenoid biosynthesis. It employs one cofactor, heme. Karp F, Mihaliak CA, Harris JL, Croteau R (1990). "Monoterpene biosynthesis:...
    2 KB (204 words) - 22:14, 21 January 2024
  • functionalize unactivated C-H bonds. Radical SAM enzymes are involved in cofactor biosynthesis, enzyme activation, peptide modification, post-transcriptional...
    55 KB (6,104 words) - 00:18, 16 September 2024
  • Thumbnail for Transglutaminase
    transglutaminases among other transglutaminases require Ca2+ ions as a cofactor. Transglutaminases were first described in 1959. The exact biochemical...
    17 KB (1,504 words) - 16:27, 22 September 2024
  • Thumbnail for Cofactor transferase family
    In molecular biology, the Cofactor transferase family is a family of protein domains that includes biotin protein ligases, lipoate-protein ligases A, octanoyl-(acyl...
    6 KB (670 words) - 21:10, 14 March 2023
  • Thumbnail for Oxalate oxidase
    participates in glyoxylate and dicarboxylate metabolism. It uses Manganese as a cofactor. As of late 2007, 4 structures have been solved for this class of enzymes...
    3 KB (232 words) - 15:53, 7 November 2023
  • Thumbnail for Phenylalanine hydroxylase
    Biochemistry. 68: 355–81. doi:10.1146/annurev.biochem.68.1.355. PMID 10872454. Kaufman S (February 1958). "A new cofactor required for the enzymatic conversion...
    31 KB (3,687 words) - 05:50, 12 August 2024
  • employs one cofactor, pyridoxal phosphate. Gibbs RG, Morris JG (1966). "Formation of glycine from glyoxylate in Micrococcus denitrificans". Biochem. J. 99:...
    1 KB (108 words) - 14:22, 26 August 2023
  • Thumbnail for Glycine dehydrogenase (decarboxylating)
    pyridoxal phosphate cofactor. Carbon dioxide is released and the remaining methylamine moiety is then transferred to the lipoamide cofactor of the H protein...
    10 KB (1,239 words) - 07:52, 2 November 2024
  • Thumbnail for 5,10-Methenyltetrahydromethanopterin hydrogenase
    organic cofactor (minus the iron atom and CO molecules) as shown: Although the mechanism by which Hmd acts is unknown, the iron-containing cofactor is in...
    7 KB (709 words) - 12:45, 26 August 2023