Examination of stability of mutant photosynthetic reaction center of Rhodobacter sphaeroides I(L177)H and determination of location of bacteriochlorophyll covalently bound to the protein.

Abstract excerpt

We demonstrated earlier that as a result of the I(L177)H mutation in the photosynthetic reaction center (RC) of the bacterium Rhodobacter sphaeroides, one of the bacteriochlorophylls (BChl) binds with the L-subunit, simultaneously raising coordination stability of the central magnesium atom of the bacteriochlorophyll associated with the protein. In this study, spectral properties of wild type RC and I(L177)H in...

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