Opsins

Photosensitive proteins in the membranes of PHOTORECEPTOR CELLS such as the rods and the cones. Opsins have varied light absorption properties and are members of the G-PROTEIN-COUPLED RECEPTORS family. Their ligands are VITAMIN A-based chromophores.

Year introduced: 2009

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Tree Number(s): D12.776.306.466, D23.767.930.750

MeSH Unique ID: D055355

Entry Terms:

• Opsin

Previous Indexing:

• Opsin (1993-2008)
• Retinal Pigments (1977-1992)

All MeSH Categories
Chemicals and Drugs Category
Amino Acids, Peptides, and Proteins
Proteins
Eye Proteins
Opsins
Cone Opsins
Rod Opsins

All MeSH Categories
Chemicals and Drugs Category
Biological Factors
Pigments, Biological
Retinal Pigments
Opsins
Cone Opsins
Rod Opsins
Rhodopsin