Neutron and X-ray structural studies of short hydrogen bonds in photoactive yellow protein (PYP)
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Photoactive yellow protein (PYP) from Halorhodospira halophila is a soluble 14 kDa blue-light photoreceptor. It absorbs light via its para-coumaric acid chromophore (pCA), which is covalently attached to Cys69 and is believed to be involved in the negative pho... ...
