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Solution structure of triheme cytochrome PpcA from Geobacter sulfurreducens reveals the structural origin of the redox-Bohr effect
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1 mM [U-100% 15N] CYTOCHROME C3-1, 1 mM PROTOPORPHYRIN IX CONTAINING FE-2, 45 mM sodium phosphate-3, 0.04 % sodium azide-4 93% H2O/7% D2O 100 7.1 AMBIENT 298 2 3D 1H-15N NOESY 1 mM [U-100% 15N] CYTOCHROME C3-1, 1 mM PROTOPORPHYRIN IX CONTAINING FE-2, 45 mM sodium phosphate-3, 0.04 % sodium azide-4 93% H2O/7% D2O 100 7.1 AMBIENT 298 3 3D 1H-15N TOCSY 1 mM [U-100% 15N] CYTOCHROME C3-1, 1 mM PROTOPORPHYRIN IX CONTAINING FE-2, 45 mM sodium phosphate-3, 0.04 % sodium azide-4 93% H2O/7% D2O 100 7.1 AMBIENT 298 4 2D 1H-1H TOCSY 1 mM CYTOCHROME C3-5, 1 mM PROTOPORPHYRIN IX CONTAINING FE-6, 45 mM sodium phosphate-7, 0.04 % sodium azide-8 93% H2O/7% D2O 100 7.1 AMBIENT 298 5 2D 1H-1H NOESY 1 mM CYTOCHROME C3-5, 1 mM PROTOPORPHYRIN IX CONTAINING FE-6, 45 mM sodium phosphate-7, 0.04 % sodium azide-8 93% H2O/7% D2O 100 7.1 AMBIENT 298 6 2D 1H-1H COSY 1 mM CYTOCHROME C3-5, 1 mM PROTOPORPHYRIN IX CONTAINING FE-6, 45 mM sodium phosphate-7, 0.04 % sodium azide-8 93% H2O/7% D2O 100 7.1 AMBIENT 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing TopSpin
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing TopSpin Bruker Biospin 3 chemical shift assignment Sparky Goddard 4 structure solution calculation PARADYANA D.L.TURNER,L,BRENNAN,S.G.CHAMBERLIN, R.O.LOURO, A.V.XAVIER 5 refinement PARADYANA D.L.TURNER,L,BRENNAN,S.G.CHAMBERLIN, R.O.LOURO, A.V.XAVIER 6 superimposition MOLMOL Koradi, Billeter and Wuthrich 7 visual inspection MOLMOL Koradi, Billeter and Wuthrich 8 rms and mean structure calculations MOLMOL Koradi, Billeter and Wuthrich 9 identification and classification of the consensus secondary structure PROCHECKNMR Laskowski and MacArthur