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STRUCTURE OF A LIGHT-HARVESTING PHYCOBILIPROTEIN, C-PHYCOCYANIN FROM SPIRULINA PLATENSIS AT 2.2A RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CPC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.8 23% (W/V) PEG 6000, 10% (V/V) OF ETHANOL, 75 MM OF PHOSPHATE BUFFER (PH 6.8)
Crystal Properties Matthews coefficient Solvent content 2.5 51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.2 α = 90 b = 115.4 β = 90.21 c = 183.04 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC CCD 1999-11-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A NSLS X4A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.2 25 99.3 0.089 13.1 5.3 223480 16.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 97.8 0.445 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1CPC 2.2 22.9 208506 2074 92.4 0.192 0.192 0.238 RANDOM 27
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3] -3.15 -3.12 10.3 -7.15
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 16.9 c_scangle_it 2.91 c_scbond_it 2.1 c_mcangle_it 1.72 c_mcbond_it 1.15 c_angle_deg 1.1 c_improper_angle_d 0.74 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 16.9 c_scangle_it 2.91 c_scbond_it 2.1 c_mcangle_it 1.72 c_mcbond_it 1.15 c_angle_deg 1.1 c_improper_angle_d 0.74 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 30024 Nucleic Acid Atoms Solvent Atoms 2283 Heterogen Atoms 1548
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing