Asymmetric hydrogen-bonding of the quinone cofactor in photosystem I probed by ¹³C-labeled naphthoquinones

Keyphrases

• Hydrogen Bonds (H-bonds) 100%
• Photosystem I (PS I) 100%
• 13C Labeling 100%
• Naphthoquinone 100%
• Quinones 66%
• Phylloquinone 50%
• Bond Strength 33%
• Radical Anions 33%
• 4-methyl-2 33%
• 1,4-naphthoquinone 33%
• Bacterial Reaction Center 33%
• Hyperfine Tensor 33%
• Spin Density Distribution 33%
• Trimer 16%
• Methyl 16%
• Possible Mechanisms 16%
• Q-band 16%
• X-band 16%
• Charge Separation 16%
• EPR Spectroscopy 16%
• Biosynthetic Pathway 16%
• Tensor Components 16%
• Time-resolved EPR 16%
• MenB 16%
• Leucine 16%
• Electron Spin Density 16%
• Type II Reaction Centers 16%
• Protein Environment 16%
• Radical Pairs 16%

Chemistry

• Photosystem I 100%
• Cofactor 100%
• Hydrogen Bonding 100%
• Quinone 100%
• Phylloquinone 50%
• 1,4-naphthoquinone 50%
• Radical Anion 33%
• Dissociation Energy 33%
• Binding Site 16%
• EPR Spectroscopy 16%
• Electron Spin Density 16%
• Leucine Residue 16%