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Concept information

Preferred term

rhodopsin

Type

  • Chemical

Definition

  • Information A purplish-red, light-sensitive pigment found in retinal rod cells of most vertebrates. It is a complex consisting of a molecule of rod opsin and a molecule of 11-cis retinal (retinaldehyde). Rhodopsin exhibits peak absorption wavelength at about 500 nm.

Broader concept

Synonyms

  • proteorhodopsin
  • visual purple

Scope note

  • Use for purplish-red, light-sensitive pigment found in retinal rod cells of most vertebrates; for archaeal or bacterial proteins USE bacteriorhodopsin.

In other languages

URI

https://lod.nal.usda.gov/nalt/206972

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