Article
Photocycle of Sensory Rhodopsin II from Halobacterium salinarum (HsSRII): Mutation of D103 Accelerates M Decay and Changes the Decay Pathway of a 13-cis O-like Species.
Photochemistry and photobiology - 1 Jul 2018
Dai Gang, Geng Xiong, Chaoluomeng, Tamogami Jun, Kikukawa Takashi, Demura Makoto, Kamo Naoki, Iwasa Tatsuo
Abstract excerpt
Aspartic acid 103 (D103) of sensory rhodopsin II from Halobacterium salinarum (HsSRII, or also called phoborhodopsin) corresponds to D115 of bacteriorhodopsin (BR). This amino acid residue is functionally important in BR. This work reveals that a substitution of D103 with asparagine (D103N) or glutamic acid (D103E) can cause large changes in HsSRII photocycle. These changes include (1) shortened lifetime of the M...
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