Iodopsin, also known as iodopsin 520, is a photoreceptor protein found in the retina of the eye, specifically in the photoreceptor cells called rods. It plays a crucial role in the process of vision by detecting light and initiating the visual signal transduction cascade. Iodopsin is composed of the protein opsin and a light-sensitive chromophore called 11-cis-retinal, which is derived from vitamin A. When light hits the retina, the 11-cis-retinal isomerizes to all-trans-retinal, triggering a conformational change in the opsin protein. This change activates a G-protein called transducin, which in turn activates an enzyme called phosphodiesterase. The activation of phosphodiesterase leads to a decrease in cyclic guanosine monophosphate (cGMP) levels, causing the closure of cGMP-gated ion channels and hyperpolarization of the rod cell membrane. This series of events ultimately results in the generation of an electrical signal that is transmitted to the brain, allowing us to perceive light and form visual images.
1415-94-7
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Chemical Properties
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- CAS DataBase Reference: iodopsin(CAS DataBase Reference)
- NIST Chemistry Reference: iodopsin(1415-94-7)
- EPA Substance Registry System: iodopsin(1415-94-7)
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- Hazardous Substances Data: 1415-94-7(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1415-94-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,1 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.Calculate Digit Verification of CAS Registry Number 1415-94:
(6*1)+(5*4)+(4*1)+(3*5)+(2*9)+(1*4)=67
67 % 10 = 7
So 1415-94-7 is a valid CAS Registry Number.
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1415-94-7Related news
Thermal recovery of iodopsin (cas 1415-94-7) from its meta I-intermediate09/25/2019
The thermal reaction of meta I-intermediate of iodopsin (metaiodopsin I), a chicken red-sensitive cone pigment, was studied by low-temperature spectrophotometry at −20°C. Irradiation of iodopsin at −20°C produced metaiodopsin I, whose absorption maximum was at about 470 nm. An incubation of me...detailed
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iodopsin
