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The X-ray structure of the cyanobacteria Synechocystis hemoglobin "cyanoglobin" with azide ligand
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1S69 cyanide bound Synechocystis cyanoglobin, PDb entry 1S69
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 277 1.5M sodium citrate, 20% sucrose, 50mM sodium azide, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.93 68.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.35 α = 90 b = 83.35 β = 90 c = 65.18 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV 2003-06-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 1.69 41.68 70.5 0.048 9.9 1.73 34919 3 3
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 1.69 1.75 9.9 0.257 2.4 1.04 488
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT cyanide bound Synechocystis cyanoglobin, PDb entry 1S69 1.69 32.4 3 3 21116 20036 1080 83.69 0.21928 0.19787 0.19672 0.1865 0.21928 0.2186 RANDOM 24.302
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] -0.75 -0.75 1.49
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 969 Nucleic Acid Atoms Solvent Atoms 142 Heterogen Atoms 59
Software Software Software Name Purpose REFMAC refinement CRYSTAL data reduction d*TREK data scaling AMoRE phasing