Molecules

Articles

• acetyl-CoA
  2 June 2004

  Acetyl CoA

• uric acid
  25 October 2006

  urate

• methionine
  15 October 2003

  Definition: Methionine (abbreviated as Met or M) is an essential α-amino acid with the chemical formula HO2CCH(NH2)CH2CH2SCH3. This essential amino acid is classified as nonpolar. Together with cysteine, methionine is one of two sulfur-containing proteinogenic amino acids.
  Biosynthesis
  As an essential amino acid, methionine is not synthesized in humans, hence we must ingest methionine or methionine-containing proteins.
  In plants and microorganisms, methionine is synthesized via a pathway (...)

• peroxiredoxin
  9 January 2006

  2-Cys peroxiredoxin

• collagen XVII
  10 November 2003

  COL17

• ceramide
  4 December 2003

  ceramides

• lipids
  4 June 2003

  WKP
  Definition: Lipids are a broad group of naturally-occurring molecules which includes fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids, and others.
  The whole of lipids is the lipidome.
  Lipids are broadly defined as any fat-soluble (lipophilic), naturally-occurring molecule. Lipids are usually defined as hydrophobic or amphipathic biological molecules that will dissolve in organic solvents such as benzene or (...)

• glutamate
  3 May 2004

  Glutamate is a central junction for interchange of amino nitrogen, glutamate facilitates both amino acid synthesis and degradation.
  In the liver, glutamate is the terminus for release of ammonia from amino acids, and the intrahepatic concentration of glutamate modulates the rate of ammonia detoxification into urea.
  In pancreatic beta-cells, oxidation of glutamate mediates amino acid-stimulated insulin secretion.
  In the central nervous system, glutamate serves as an excitatory (...)

• H2O2
  12 February 2006

  H(2)O(2)

• cytosine
  17 October 2005

  Definition: Cytosine is a pyrimidine base (nitrogenous base) and constituent of nucleotides and as such one member of the base pair G-C (guanine and cytosine).
  Cytosine is one of the 5 main nucleobases used in storing and transporting genetic information within a cell in the nucleic acids DNA and RNA.
  Cytosine is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2).
  The nucleoside of (...)

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