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Article

High Yield of B-Side Electron Transfer at 77 K in the Photosynthetic Reaction Center Protein from Rhodobacter sphaeroides.

The journal of physical chemistry. B - 10 Nov 2022

Magdaong Nikki Cecil M, Faries Kaitlyn M, Buhrmaster James C, Tira Gregory A, Wyllie Ryan M, Kohout Claire E, Hanson Deborah K, Laible Philip D, Holten Dewey, Kirmaier Christine

Abstract excerpt

The primary electron transfer (ET) processes at 295 and 77 K are compared for the Rhodobacter sphaeroides reaction center (RC) pigment-protein complex from 13 mutants including a wild-type control. The engineered RCs bear mutations in the L and M polypeptides that largely inhibit ET from the excited state P* of the primary electron donor (P, a bacteriochlorophyll dimer) to the normally photoactive A-side...

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PMID: 36315401
DOI: 10.1021/acs.jpcb.2c05905

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