all-trans retinal

all-trans retinal
a retinal isomer formed from the 11-cis isomer upon bleaching of the photoreceptor proteins of the retina by light; the isomer dissociates from the opsins and is reconverted to the 11-cis isomer in the dark to renew the visual cycle.

Medical dictionary. 2011.

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  • all-trans-retinal — The orange retinaldehyde resulting from the action of light on the rhodopsin of the retina, which converts the 11 cis retinal component of the rhodopsin to all a.retinal plus opsin. SYN: a.retinal, visual yello …   Medical dictionary

  • All-trans-Retinsäure — Strukturformel Allgemeines Freiname Tretinoin Andere Namen …   Deutsch Wikipedia

  • trans-retinal — SYN: all t.retinal …   Medical dictionary

  • Retinal G protein coupled receptor — Retinal G protein coupled receptor, also known as RGR, is a human gene.cite web | title = Entrez Gene: RGR retinal G protein coupled receptor| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=5995| accessdate …   Wikipedia

  • Retinal — Strukturformel …   Deutsch Wikipedia

  • Retinal — chembox new ImageFile = Retinal structure.png ImageSize = IUPACName = OtherNames = Formula = C20H28O PubChem = 1070 SMILES = MolarMass= 284.436 Appearance = CASNo = 116 31 4 Density= MeltingPt= 63 °C BoilingPt= Solubility = MainHazards = FlashPt …   Wikipedia

  • Retinal isomerase — In enzymology, a retinal isomerase (EC number|5.2.1.3) is an enzyme that catalyzes the chemical reaction:all trans retinal ightleftharpoons 11 cis retinalHence, this enzyme has one substrate, all trans retinal, and one product, 11 cis… …   Wikipedia

  • retinal — 1. Relating to the retina. 2. Retinaldehyde; most commonly referring to the all trans form. r. dehydrogenase an oxidoreductase catalyzing the interconversion of retinaldehyde and NAD+ to retinoic acid and NADH …   Medical dictionary

  • Retinal pigment epithelium — Infobox Anatomy Name = Retinal pigment epithelium Latin = p. pigmentosa retinae GraySubject = 225 GrayPage = 1016 Caption = Section of retina. (Pigmented layer labeled at bottom right.) Caption2 = Plan of retinal neurons. (Pigmented layer labeled …   Wikipedia

  • retinal isomerase — ret·i·nal isom·er·ase (retґĭ nəl i somґər ās) [EC 5.2.1.3] an enzyme of the isomerase class that catalyzes the interconversion of the all trans and 11 cis isomers of retinal. The reaction regenerates 11 cis retinal in the… …   Medical dictionary

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