metarhodopsin
/ˌmɛtərə(ʊ)ˈdɒpsɪn/Biochemistry and Physiology
noun
Any of three intermediates formed during the photolysis of the visual pigment rhodopsin.
- metarhodopsin I noun a compound with peak absorbance at 478 nanometres, formed from lumirhodopsin and deprotonated to form metarhodopsin II. metarhodopsin II noun a compound with peak absorbance at 380 nanometres, formed from metarhodopsin I and hydrolysed to (all-trans-)retinal and opsin directly and through conversion to metarhodopsin III. metarhodopsin III noun a compound with peak absorbance at 465 nanometres, formed from metarhodopsin II and decaying to (all-trans-)retinal and opsin..
Origin
1950s. From meta- + rhodopsin.
- insolence
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