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Carbamate kinase from Enterococcus faecalis bound to a sulfate ion and two water molecules, which mimic the substrate carbamyl phosphate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1B7B PDB ENTRY 1B7B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 CRYSTALS WERE OBTAINED AT 4 DEGREES USING THE HANGING DROP VAPOUR DIFFUSION METHOD BY MIXING 1.5 MICROLITERS OF A 10 MG/ML PROTEIN SOLUTION IN 5 MM SODIUM CACODYLATE PH 6.5 AND 1.5 MICROLITERS OF THE RESERVOIR BUFFER CONTAINING 16-20% PEG 8000, 25-100 MM AMMONIUM SULFATE AND 0.1 M SODIUM CACODYLATE PH 6.5
Crystal Properties Matthews coefficient Solvent content 2.41 49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.888 α = 90 b = 172.6 β = 90 c = 98.627 γ = 90
Symmetry Space Group P 21 21 21
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 MARRESEARCH 1999-11-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 ESRF ID14-2
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 2.02 50 93 0.09 6.6 6.3 88372 23.4
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 2.02 2.12 82 0.44 1.6 5.2
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1B7B 2.02 20 88173 4439 96.1 0.195 0.195 0.1951 0.234 0.2336 RANDOM 28.8
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] -5.219 5.436 -0.216
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.15 c_bond_d 0.005 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
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.15 c_bond_d 0.005 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 c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9208 Nucleic Acid Atoms Solvent Atoms 907 Heterogen Atoms 75
Software Software Software Name Purpose CNS refinement MOSFLM data reduction SCALA data scaling