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ligand

ligand

3 8.3
A small chemical that attaches to a larger atom or protein
  • noun
  • /ˈlɪɡənd/
  • Specialized
translation icon : ligando
  • In biochemistry, a ligand binds to a central atom, forming a complex that influences various reactions.

All right, so which common ligands fall into which categories?

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Examples

  • Members of the Eph receptor gene family and their ligands facilitate cell-cell repulsion (antiadhesive) and promote cell migration.

    Academic text (2003)
  • We've been able to change the nature of this ligand that holds onto the copper atom.

  • So this is the first ligand discovered for NKT cells.

  • And in some cases, it might be a ligand gated ion channel.

  • Initially, the ligands for these receptors were unknown, but they have since been identified.

    Academic text (2003)
  • Under these conditions, protons can successfully compete with metal ions for the available ligands.

    Academic text (2000)
  • NanoViricides scientists, led by Dr. Anil Diwan, have identified the ligands that attract specific viruses.

    Blog text (20)
  • The hormone acts as a ligand, connecting to its receptor to trigger cellular responses.

  • Studying how a ligand interacts with metal ions is essential for understanding coordination chemistry.

How Many Bonds

chelate
  • Specialized
1 9.9
chelation
  • Specialized
8.7
bidentate
  • Specialized
9.9
ligand
  • Specialized
3 8.3

Surface Forms

ligand singular
ligands plural

Etymology

Ligand comes from the Latin verb ligare, meaning 'to bind', plus the ending -and meaning 'one that'. In chemistry a ligand is a molecule that 'binds' to a central atom, so the name literally means 'a binder'.