Inhomogeneous energy transfer dynamics from iron-stress-induced protein A to photosystem I
Parveen Akhtar,
Sanjib Jana,
Petar H. Lambrev
et al.
Abstract:Cyanobacteria respond to iron limitation by producing the pigment-protein complex IsiA, forming rings associated with photosystem I (PSI). Initially considered a chlorophyll-storage protein, IsiA is known to act as an auxiliary light-harvesting antenna of PSI, increasing its absorption cross-section and reducing the need for iron-rich PSI core complexes. Spectroscopic studies have demonstrated efficient energy transfer from IsiA to PSI. Here we investigate the room-temperature excitation dynamics in isolated P… Show more
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