Robuta

https://www.rcsb.org/structure/1UWN
The Initial Events in the Photocycle of Photoactive Yellow Protein: A Common Mechanism on Light Activation in Photoreceptor Proteins
rcsb pdbinitialevents
https://www.ncbi.nlm.nih.gov/Structure/pdb/3UMD
Photoactive yellow protein4'-HYDROXYCINNAMIC ACID
photoactive yellow proteinstructurepbintermediatepyp