... and activated Cry1a under 373 nm UV, 424 nm blue, 502 nm turquoise and 565 nm green light, although the last wavelength does not allow the first step of photoreduction of cryptochrome to the semiquinone form. The tested birds had been kept under ‘white’ light before, hence we suggested that there was a supply...

...://creativecommons.org/licenses/by/3.0 ), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed. Magnetic compass Cryptochrome 1a Flavin cycle Photoreduction Activated Cry1a Radical pair mechanisms The Radical Pair Model...