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A TRANSIENT INTERACTION BETWEEN TWO PHOSPHORELAY PROTEINS TRAPPED IN A CRYSTAL LATTICE REVEALS THE MECHANISM OF MOLECULAR RECOGNITION AND PHOSPHOTRANSFER IN SINGAL TRANSDUCTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SRR 1SRR AND 1IXM experimental model PDB 1IXM 1SRR AND 1IXM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.1 0.5M KCL, 24% PEG2K AND ALF3 AT pH8.1
Crystal Properties Matthews coefficient Solvent content 2.62 53.11
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.974 α = 90 b = 117.774 β = 90 c = 170.736 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 90 IMAGE PLATE MARRESEARCH PT COATED SI FLAT MIRROR BENT FOR VERTICAL FOCUS 1998-04-01 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 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 3 45 99 7.6 18 4.1 29914
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 3 3.14 98.7 3.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1SRR AND 1IXM 3 45 2 26820 1368 88.7 0.229 0.228 0.268 RANDOM 54.3
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] -2.08 7.09 -5.01
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.4 c_angle_deg 1.8 c_improper_angle_d 0.93 c_bond_d 0.009 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 25.4 c_angle_deg 1.8 c_improper_angle_d 0.93 c_bond_d 0.009 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 9748 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 3
Software Software Software Name Purpose AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling