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In bacterial reaction centers rapid delivery of the second proton to QB can be achieved in the absence of L212Glu.
Miksovska J, Kálmán L, Schiffer M, Maróti P, Sebban P, Hanson DK. Miksovska J, et al. Biochemistry. 1997 Oct 7;36(40):12216-26. doi: 10.1021/bi970442w. Biochemistry. 1997. PMID: 9315859
Comparison of H+/QB- proton uptake data with those obtained previously for the stoichiometries of H+/QA- proton uptake [Miksovska, J., Maroti, P., Tandori, J., Schiffer, M., Hanson, D. K., Sebban, P. (1996) Biochemistry 35, 15411-15417] suggests that L212Glu …
Comparison of H+/QB- proton uptake data with those obtained previously for the stoichiometries of H+/QA- proton uptake [Miksovska, …
In bacterial reaction centers, a key residue suppresses mutational blockage of two different proton transfer steps.
Miksovska J, Valerio-Lepiniec M, Schiffer M, Hanson DK, Sebban P. Miksovska J, et al. Biochemistry. 1998 Feb 24;37(8):2077-83. doi: 10.1021/bi972696n. Biochemistry. 1998. PMID: 9518006
Flash-induced absorbance spectroscopy was used to show a nearly native rate for transfer of the second proton to QB (approximately 700 s-1) in the L212Gln+M43Asp double-mutant reaction center; this rate was shown to decrease more than 1000-fold in the photoincompetent L212Glu --& …
Flash-induced absorbance spectroscopy was used to show a nearly native rate for transfer of the second proton to QB (approximately 700 s-1) …
71 results