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Structure of a typical L-alpha-amino acid in the "neutral" form. Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life ...
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An amino acid is any molecule that contains both amino and carboxylic acid functional groups. Subcategories. This category has the following 18 subcategories, out of ...
This is an index of lists of molecules (i.e. by year, number of atoms, etc.). Millions of molecules have existed in the universe since before the formation of Earth. Three of them, carbon dioxide, water and oxygen were necessary for the growth of life.
Amino acid; Amylase (also see α-amylase) Anabolic steroid; Anandamide (ANA) Androgen; Anethole; Angiotensinogen; Anisomycin; Antidiuretic hormone (ADH) Anti-Müllerian hormone (AMH) Arabinose; Arginine; Argonaute; Ascomycin; Ascorbic acid ; Asparagine; Aspartic acid; Asymmetric dimethylarginine; ATP synthase; Atrial-natriuretic peptide (ANP ...
D-Amino acids are occasionally found in nature as residues in proteins. They are formed from ribosomally-derived D-amino acid residues. [1] Amino acids, as components of peptides, peptide hormones, structural and immune proteins, are the most important bioregulators involved in all life processes along with nucleic acids, carbohydrates and lipids.
The alpha helix is also commonly called a: Pauling–Corey–Branson α-helix (from the names of three scientists who described its structure); 3.6 13-helix because there are 3.6 amino acids in one ring, with 13 atoms being involved in the ring formed by the hydrogen bond (starting with amidic hydrogen and ending with carbonyl oxygen)
Protein primary structure is the linear sequence of amino acids in a peptide or protein. [1] By convention, the primary structure of a protein is reported starting from the amino -terminal (N) end to the carboxyl -terminal (C) end.