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Domain-domain flexibility leads to allostery within the camp receptor protein (CRP)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IL5 1IL5 CRP DIMER
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 298 15% ethanol, 100MM TRIS, 3mM CAMP, pH 7.00, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.51 50.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.82 α = 90 b = 101.55 β = 111.37 c = 54.95 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 90 CCD ADSC QUANTUM 315r 2007-06-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.96 40 89.6 0.067 0.067 26.4 6.5 29996 29996 -3 23.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.96 2.03 86.2 0.42 0.42 4.1 4.8
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1IL5 CRP DIMER 1.96 36.04 29098 29098 1404 86.6 0.219 0.2264 0.244 0.2521 THICK SHELLS 48.4
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] -1.01 0.8 0.58 0.43
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.7 c_angle_deg 1.45 c_improper_angle_d 1.19 c_bond_d 0.014 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.7 c_angle_deg 1.45 c_improper_angle_d 1.19 c_bond_d 0.014 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3170 Nucleic Acid Atoms Solvent Atoms 77 Heterogen Atoms 50
Software Software Software Name Purpose ADSC data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing