Abstract
THE facts quoted by Dr. Dartnall do not invalidate our conclusions. If under the action of light the retinene is split off, the conditions are such that it is available for recombination with any protein to form new compounds. The spectroscopic evidence indicates that there are three materials in bleached rhodopsin solutions, retinene (or retinene + protein) and the acid and alkaline forms of indicator yellow. We consider that, although the same protein is concerned in all three compounds, yet the chemical evidence indicates that in indicator yellow, retinene is firmly bound while in neutral bleached rhodopsin solutions it is only weakly bound. We agree with Dr. Dartnall‘s final paragraph.
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BALL, S., COLLINS, F. & MORTON, R. Letters to Editor. Nature 162, 222 (1948). https://doi.org/10.1038/162222b0
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DOI: https://doi.org/10.1038/162222b0
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