Anomalous Temperature Dependence of the Triplet-Triplet Energy Transfer in Cereibacter sphaeroides I(L177)H Mutant Reaction Centers

In photosynthetic reaction centers, quenching of the primary donor triplet state by energy transfer to the carotenoid molecule provides efficient suppression of generation of singlet-excited oxygen, potent chemical oxidant. This process in the Cereibacter sphaeroides reaction centers is thermoactiva...

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Veröffentlicht in:	Biochemistry (Moscow) 2024-09, Vol.89 (9), p.1573-1581
Hauptverfasser:	Fufina, Tatiana Yu, Vasilieva, Lyudmila G., Klenina, Irina B., Proskuryakov, Ivan I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation energy Amino acid substitution Amino acids Atomic energy levels Bacterial Proteins - chemistry Bacterial Proteins - genetics Bacterial Proteins - metabolism Biochemistry Biomedical and Life Sciences Biomedicine Bioorganic Chemistry Carotenoids Carotenoids - chemistry Carotenoids - metabolism Energy Energy Transfer Histidine Isoleucine Knowledge management Life Sciences Microbiology Mutants Mutation Oxidants Oxidizing agents Photochemical reactions Photochemicals Photosynthesis Photosynthetic Reaction Center Complex Proteins - chemistry Photosynthetic Reaction Center Complex Proteins - genetics Photosynthetic Reaction Center Complex Proteins - metabolism Quenching Reaction centers Rhodobacter sphaeroides - genetics Rhodobacter sphaeroides - metabolism Substitution reactions Temperature Temperature dependence Triplet state
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