protein fibers

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• Protein — Proteins are large organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid residues. The sequence of amino acids in a protein is defined by …   Wikipedia

• Protein (nutrient) — This article is about protein as a nutrient. For protein as a class of molecule, see protein. For other uses, see bodybuilding supplement. Amino acids are the building blocks of protein. Proteins are polymer chains made of amino acids linked… …   Wikipedia

• Protein structure — Proteins are an important class of biological macromolecules present in all biological organisms, made up of such elements as carbon, hydrogen, nitrogen, phosphorus, oxygen, and sulfur. All proteins are polymers of amino acids. The polymers, also …   Wikipedia

• Protein in nutrition — Proteins are broken down in the stomach during digestion by enzymes known as proteases into smaller polypeptides to provide amino acids for the organism, including the essential amino acids that the organism cannot biosynthesize itself. Aside… …   Wikipedia

• Glial fibrillary acidic protein — (GFAP) is an intermediate filament (IF) protein that is found in glial cells such as astrocytes, but also in other cell types such as Leydig cells in the testis and stellate cells in the liver.cite journal | author = J A Holash, S I Harik, G… …   Wikipedia

• Major sperm protein — MSP Structure of MSP dimer from A. suum. The β sheets are shown in orange Identifiers Symbol Major Sperm Protein, MSP Entrez …   Wikipedia

• Motor protein — Motor proteins are a class of molecular motors that are able to move along the surface of a suitable substrate. They are powered by the hydrolysis of ATP and convert chemical energy into mechanical work. Contents 1 Cellular functions 2 Diseases… …   Wikipedia

• collagen fibers — collagenous fibers the soft, flexible, white fibers that are the most characteristic constituent of all types of connective tissue. They consist of the protein collagen and are composed of bundles of fibrils that are in turn made up of smaller… …   Medical dictionary

• elastic fibers — n. yellowish fibers composed of protein elastin crossing the intercellular substance of connective tissue …   English contemporary dictionary

• Spider silk — Spider silk, also known as gossamer, is a protein fiber spun by spiders. Spiders use their silk to make webs or other structures, which function as nets to catch other creatures, or as nests or cocoons for protection for their offspring. They can …   Wikipedia

• Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… …   Wikipedia