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CRYSTAL STRUCTURES OF NK1-HEPARIN COMPLEXES REVEAL THE BASIS FOR NK1 ACTIVITY AND ENABLE ENGINEERING OF POTENT AGONISTS OF THE MET RECEPTOR
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NK1 PDB ENTRIES 1NK1 AND 1BHT experimental model PDB 1BHT PDB ENTRIES 1NK1 AND 1BHT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 10% PEG4000, 8% ETHYLENE GLYCOL, 0.10M SODIUM PARA-TOLUENE SULFONATE,0.10M SODIUM HEPES, PH 7.5
Crystal Properties Matthews coefficient Solvent content 2.43 49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 179.7 α = 90 b = 174.1 β = 90 c = 59.9 γ = 90
Symmetry Space Group P 21 21 2
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 2000-02-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX14.2 SRS PX14.2
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 2.95 20 95.2 0.063 12 6 37651 3 78.3
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 2.95 3.02 91.4 0.327
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 ENTRIES 1NK1 AND 1BHT 3 20 36626 1824 95.3 0.254 0.254 0.2457 0.295 0.2859 RANDOM 60.4
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] -4.3 1.02 3.28
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.7 c_scangle_it 2.68 c_mcangle_it 2.55 c_scbond_it 1.67 c_mcbond_it 1.42 c_angle_deg 1.3 c_improper_angle_d 0.87 c_bond_d 0.009 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.7 c_scangle_it 2.68 c_mcangle_it 2.55 c_scbond_it 1.67 c_mcbond_it 1.42 c_angle_deg 1.3 c_improper_angle_d 0.87 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
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10477 Nucleic Acid Atoms Solvent Atoms 183 Heterogen Atoms 895
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing