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The triplet state of aromatic molecules forms and decays by intersystem crossing, as originally demonstrated by Kasha and Lewis. By contrast, the triplet state of the primary electron donor, 3 P, in p...
The electronic absorption line shape and Stark spectrum of the lowest energy Q(y)() transition of the special pair in bacterial reaction centers contain a wealth of information on mixing with charge t...
Photosynthetically active chimeric reaction centers which utilize genetic information from both Rhodobacter capsulatus and Rb. sphaeroides puf operons were isolated using a novel method termed chimeri...
A 51 bp section of the Rhodobacter capsulatus photosynthetic reaction center M subunit gene (nucleotides M562-M612 of the pufM structural sequence) encoding amino acids M187-M203 was replaced by the h...
The effect of an electric field has been measured on the absorption spectrum (Stark effect) of the heterodimer mutant (M)H202L of Rhodobacter sphaeroides reaction centers, where the primary electron d...
We describe here the synthesis and characterization of the solution conformation of a molecule which brings into close proximity the principal molecular components believed to participate in the initi...
Molecular aggregation of chlorophyll has been the subject of intense study in several While there is good evidence for keto carbonyl-Mg interactions in nonbasic solvents, there is much less structural...
Eukaryotic cells contain scores of small nucleolar RNAs (snoRNAs) that are complexed with proteins in particles known as snoRNPs. SnoRNPs function in processing of ribosomal RNA (rRNA) and nucleotide ...

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