1) Bonding molecule 2) Chelating agent 3) Complex molecular branch 4) Coordination chemistry 5) Matter 6) Part of a complex molecule 7) Substance
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1. In inorganic chemistry, a molecule or ion that binds to a metal cation to form a complex. 2. In biochemistry, a molecule that binds to a receptor, having a biological effect.
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In coordination chemistry, a ligand d is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex. The bonding between metal and ligand generally involves formal donation of one or more of the ligand`s electron pairs. The nature of metal-ligand bonding can range from covalent to ionic. Furthermore, t....
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[biochemistry] In biochemistry and pharmacology, a ligand (from the Latin ligandum, binding) is a substance (usually a small molecule) that forms a complex with a biomolecule to serve a biological purpose. In protein-ligand binding, the ligand is usually a signal-triggering molecule, binding to a site on a target protein. In DNA-ligand bind...
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in chemistry, any atom or molecule attached to a central atom, usually a metallic element, in a coordination or complex compound. The atoms and ... [5 related articles]
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If it is possible to indicate a 'central atom' in a polyatomic molecular entity , the atoms or groups bound to that atom are called ligands. (Cf. IUPAC INORGANIC NOMENCLATURE (1990); Rule I-10.2.3.) The term is generally used in connection with metallic 'central atoms'. In biochemistry a part of a polyatomic molecular entity may be considered centr...
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A molecule or ion bonded to a central metal atom or ion in a coordination compound.
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A Lewis base in a coordination compound.
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A small molecule that binds specifically to a larger one; for example, a hormone is the ligand for its specific protein receptor.
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A small molecule that binds specifically to a larger one; for example, a hormone is the ligand for its specific protein receptor.
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An ion or molecule linked to a central metal ion to form a so-called complex compound. Almost any ion or molecule that can act as a base, having an atom able to donate an electron-pair, may act as a ligand – common examples include water (H2O), ammonia (NH3
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In Biochemistry: substance that binds to a biological receptor. In Chemistry: an atom or group of atoms.
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a protein molecule which binds to another specific protein molecule. The forces of the bond are week and thus protein-ligand bonds depend on close fit of one molecule to the other, so as to capture as many bonding sites as possible. Ligands are specific for a particular protein. They are found on cell surfaces of microorganisms where they assist in...
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A Lewis base in a coordination compound.
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An ion, a molecule, or a molecular group that binds to another chemical entity to form a larger complex.
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The molecule, ion, or group bound to the central atom in a chelate or a coordination compound.
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<chemistry, immunology> Any molecule that binds to another, in normal usage a soluble molecule such as a hormone or neurotransmitter, that binds to a receptor. The decision as to which is the ligand and which the receptor is often a little arbitrary when the broader sense of receptor is used (where there is no implication of transduction of s...
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(li´gand) (lig´әnd) an organic molecule that donates the necessary electrons to form coordinate covalent bonds with metallic ions. Also, an ion or molecule that reacts to form a complex with another molecule.
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The molecule, ion, or group bound to the central atom in a chelate or a coordination compound
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A linking or binding molecule that binds to a specific complementary site on (forms a complex with) another molecule. For example, a growth factor is a ligand for its growth factor receptor.
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Any molecule that binds to another; in normal usage a soluble molecule such as a hormone or neurotransmitter, that binds to a receptor. The decision as to which is the ligand and which the receptor is often a little arbitrary when the broader sense of receptor is used (where there is no implication of transduction of signal). In these cases it is probably a good rule to consider the ligand to be the smaller of the two - thus in a lectin-sugar interaction, the sugar would be the ligand (even though it is attached to a much larger molecule, recognition is of the saccharide).
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Type: Term Pronunciation: lig′and, lī′gand Definitions: 1. Any individual atom, group, or molecule attached to a central metal ion by multiple coordinate bonds, the porphyrin portion of heme, the corrin nucleus of the B12 vitamins. 2. An organic molecule attached to a tracer element, a radioisotope. 3. A molecule that binds to a ma...
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Ligand: A molecule that binds to another. Often, a soluble molecule such as a hormone or neurotransmitter that binds to a receptor. From the Latin ligandus, binding from the root ligare, to bind or tie. Ligate and ligature come from the same root.
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[
n] - an atom or molecule or radical or ion that forms a complex around a central atom
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noun an atom or molecule or radical or ion that forms a complex around a central atom
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