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Structural compositional and functional properties of the newly discovered antenna ring of PSI
Reference
B17143
Principal Investigator / Supervisor
Professor James Barber
Co-Investigators /
Co-Supervisors
Institution
Imperial College London
Department
Biological Sciences
Funding type
Research
Value (£)
205,160
Status
Completed
Type
Research Grant
Start date
01/10/2002
End date
01/10/2005
Duration
36 months
Abstract
To undertake a thorough structural, biochemical and functional study of the newly discovered IsiA:Pcb light harvesting antenna ring of photosystem one in Oxyphotobacteria (Cyanobacteria and Prochlorophytes). Electron cryomicroscopy and possibly X-ray crystallography will be used to determine the 3D structure of the IsiA- PSI supercomplex of Synechocystis PCC 6803. The pigment composition of this supercomplex will be determined and its functional activities, energy transfer and electron transport properties investigated by optical and resonance spectroscopy. The chlorophyll b binding properties of the IsiA-PSI supercomplex will be investigated using a cao-plus mutant of Synechocystis and the result compared with the chlorophyll a:b binding properties of the Pcb-PSI supercomplex.
Summary
unavailable
Committee
Closed Committee - Biomolecular Sciences (BMS)
Research Topics
X – not assigned to a current Research Topic
Research Priority
X – Research Priority information not available
Research Initiative
X - not in an Initiative
Funding Scheme
X – not Funded via a specific Funding Scheme
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