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ELUCIDATION OF THE PARAMAGNETIC RELAXATION OF HETERONUCLEI AND PROTONS IN CU(II) PLASTOCYANIN FROM ANABAENA VARIABILIS
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2.9 to 3.2 mM unlabeled A. v. PCu; 100 mM NaCl 90% H2O/10% D2O 100 mM 6.9 ambient 298 2 2D NOESY 2.9 to 3.2 mM unlabeled A. v. PCu; 100 mM NaCl 99.9% D2O 100 mM 6.9 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 500 2 Varian INOVA 750
NMR Refinement Method Details Software Distance geometry, simulated annealing and restrained energy minimization X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 60 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details INPUT DATA FOR STRUCTURE CALCULATION: 595 INTRARESIDUAL RESTRAINTS, 279 SEQUENTIAL RESTRAINTS, 585 INTERRESIDUAL RESTRAINTS, 49 DIHEDRAL (PHI) RESTRAINTS, 29 DIHEDRAL (CHI) RESTRAINTS, 9 DIHEDRAL (OMIGA_PROLIN) RESTRAINTS, 0 HYDROGEN BOND RESTRAINTS, 4 COPPER RESTRAINTS. THE RMS DEVIATION FROM IDEALIZED GEOMETRY: BONDS:0.0031 ANGSTROMS, ANGLES:1.06 ANGSTROMS, IMPROPERS:0.42 ANGSTROMS.
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR 3.851 Brunger 2 refinement X-PLOR 3.851 Brunger