Protein (disambiguation) — Protein is a class of biomolecules composed of amino acid chains.Protein may also refer to:Biochemistry* Antifreeze protein, class of polypeptides produced by certain fish, vertebrates, plants, fungi and bacteria * Conjugated protein, protein… … Wikipedia
Protein subunit — In structural biology, a protein subunit or subunit protein is a single protein molecule that assembles (or coassembles ) with other protein molecules to form a multimeric or oligomeric protein. Many naturally occurring proteins and enzymes are… … Wikipedia
Protein domain — Pyruvate kinase, a protein from three domains (PDB 1pkn) A protein domain is a part of protein sequence and structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three… … Wikipedia
Protein moonlighting — Crystallographic structure of cytochrome P450 from the bacteria S. coelicolor (rainbow colored cartoon, N terminus = blue, C terminus = red) complexed with heme cofactor (magenta spheres) and two molecules of its endogenous substrate epi… … Wikipedia
Protein quaternary structure — In biochemistry, quaternary structure is the arrangement of multiple folded protein or coiling protein molecules in a multi subunit complex. Contents 1 Description and examples 2 Nomenclature of quaternary structures 3 Determination of qua … Wikipedia
Chaperone (protein) — A top view of the GroES/GroEL bacterial chaperone complex model In molecular biology, chaperones are proteins that assist the non covalent folding or unfolding and the assembly or disassembly of other macromolecular structures, but do not occur… … Wikipedia
Cartilage oligomeric matrix protein — Cartilage oligomeric matrix protein, also known as COMP, is a human gene.cite web | title = Entrez Gene: COMP cartilage oligomeric matrix protein| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=1311|… … Wikipedia
G protein-coupled receptor — G protein coupled receptors (GPCRs), also known as seven transmembrane domain receptors, 7TM receptors, heptahelical receptors, and G protein linked receptors (GPLR), comprise a large protein family of transmembrane receptors that sense molecules … Wikipedia
Peripheral membrane protein — Peripheral membrane proteins are proteins that adhere only temporarily to the biological membrane with which they are associated. These molecules attach to integral membrane proteins, or penetrate the peripheral regions of the lipid bilayer. The… … Wikipedia
Transmembrane protein — A transmembrane protein is a protein that spans the entire biological membrane. Transmembrane proteins aggregate and precipitate in water. They require detergents or nonpolar solvents for extraction, although some of them (beta barrels) can be… … Wikipedia