Absorption spectrum of cattle hypsorhodopsin
- 14 November 1983
- journal article
- Published by Wiley in FEBS Letters
- Vol. 163 (2) , 165-169
- https://doi.org/10.1016/0014-5793(83)80811-4
Abstract
On irradiation at liquid helium temperatures, rhodopsin is converted into hypsorhodopsin which decays to bathorhodopsin above 23 K. The absorption spectrum of cattle hypsorhodopsin (λmax = 435 nm) is found to include a new sideband around 540 nm. This sideband may be due to π* ← π transition to 1A− g like state, which is made partially allowed by distortion of polyene chain of the retinylidene chromophore.Keywords
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