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Crystal structure of the cyanobacterial metallothionein repressor SmtB in the Zn1-form (one Zn(II) per dimer)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1R1T PDB ENTRY 1R1T
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 Na/K phosphate, Hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.04 39.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 36.996 α = 90 b = 70.37 β = 95.5 c = 42.685 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 QUANTUM 4 2001-06-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 14-BM-C 1.0 APS 14-BM-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 60 96.7 0.03 27.4 3.3 14806 14335 0.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.07 85.7 0.074
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1R1T 2 60 14328 14328 1458 96.9 0.206 0.206 0.204 0.236 random
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] -0.139 2.927 2.161 -2.022
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.713 c_scbond_it 2.469 c_mcangle_it 2.191 c_mcbond_it 1.425 c_angle_deg 1.056 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1586 Nucleic Acid Atoms Solvent Atoms 123 Heterogen Atoms 1
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing