Article
Phototransformation of the red light sensor cyanobacterial phytochrome 2 from Synechocystis species depends on its tongue motifs.
The Journal of biological chemistry - 12 Sept 2014
Anders Katrin, Gutt Alexander, Gärtner Wolfgang, Essen Lars-Oliver
Abstract excerpt
Phytochromes are photoreceptors using a bilin tetrapyrrole as chromophore, which switch in canonical phytochromes between red (Pr) and far red (Pfr) light-absorbing states. Cph2 from Synechocystis sp., a noncanonical phytochrome, harbors besides a cyanobacteriochrome domain a second photosensory module, a Pr/Pfr-interconverting GAF-GAF bidomain (SynCph2(1-2)). As in the canonical phytochromes, a unique motif of...
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