OCP-FRP protein complex topologies suggest a mechanism for controlling high light tolerance in cyanobacteria.

Sluchanko NN, Slonimskiy YB, Shirshin EA, Moldenhauer M, Friedrich T, Maksimov EG
Nat Commun 9(1):3869 (2018 Sep 24)
PMID: 30250028
doi: 10.1038/s41467-018-06195-0
Submitted to SASBDB: 2018 Jul 4
Published in SASBDB:

SASDDE9 – Synechocystis fluorescence recovery protein FRPcc in the pre-oxidized state (CC mutant)

Fluorescence recovery protein experimental SAS data
CORAL model
Sample: Fluorescence recovery protein dimer, 28 kDa Synechocystis sp. PCC … protein
Buffer: 20 mM Tris, 150 mM NaCl, 3% glycerol, pH: 7.6
Experiment: SAXS data collected at EMBL P12, PETRA III on 2017 Sep 1
RgGuinier 2.9 nm
Dmax 13.0 nm
VolumePorod 43 nm3

SASDDF9 – Synechocystis orange carotenoid-binding protein devoid of the NTE (OCP-ΔNTE, orange form)

Orange carotenoid-binding protein experimental SAS data
CORAL model
Sample: Orange carotenoid-binding protein monomer, 34 kDa Synechocystis sp. PCC … protein
Buffer: 20 mM Tris, 150 mM NaCl, 3% glycerol, pH: 7.6
Experiment: SAXS data collected at EMBL P12, PETRA III on 2017 Sep 1
RgGuinier 2.2 nm
Dmax 7.4 nm
VolumePorod 57 nm3

SASDDG9 – The 2:1 complex of Synechocystis disulphide-trapped Fluorescence recovery protein dimer (CC mutant) and orange carotenoid-binding protein-ΔNTE (orange form)

Fluorescence recovery proteinOrange carotenoid-binding protein experimental SAS data
GASBOR model
Sample: Fluorescence recovery protein dimer, 28 kDa Synechocystis sp. PCC … protein
Orange carotenoid-binding protein monomer, 34 kDa Synechocystis sp. PCC … protein
Buffer: 20 mM Tris, 150 mM NaCl, 3% glycerol, pH: 7.6
Experiment: SAXS data collected at EMBL P12, PETRA III on 2017 Sep 1
RgGuinier 3.0 nm
Dmax 13.0 nm
VolumePorod 102 nm3