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Crystal structure of engrailed homeodomain mutant K52E
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ENH PDB ENTRY 1ENH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 9.5 293 30% PEG 3000, 100mM 2-(cyclohexylamino)ethanesulfonic acid (CHES), pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.26 45.61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.85 α = 90 b = 51.679 β = 90 c = 112.785 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX14.2 0.9779 SRS PX14.2
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 2.1 19.24 0.064 0.064 22 10.1 15614 23.1
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 2.1 2.14 0.154 6.5
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 (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 1ENH 2.1 19.25 15676 14837 777 98.28 0.20026 0.19814 0.2057 0.24126 0.2527 RANDOM 16.292
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]
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 12.587 r_scangle_it 5.845 r_scbond_it 3.968 r_mcangle_it 3.882 r_dihedral_angle_1_deg 2.934 r_mcbond_it 2.525 r_angle_refined_deg 1.213 r_angle_other_deg 0.638 r_symmetry_vdw_other 0.247 r_nbd_refined 0.235
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 12.587 r_scangle_it 5.845 r_scbond_it 3.968 r_mcangle_it 3.882 r_dihedral_angle_1_deg 2.934 r_mcbond_it 2.525 r_angle_refined_deg 1.213 r_angle_other_deg 0.638 r_symmetry_vdw_other 0.247 r_nbd_refined 0.235 r_nbd_other 0.188 r_xyhbond_nbd_refined 0.187 r_symmetry_vdw_refined 0.184 r_symmetry_hbond_refined 0.184 r_xyhbond_nbd_other 0.088 r_chiral_restr 0.07 r_bond_refined_d 0.01 r_gen_planes_refined 0.005 r_gen_planes_other 0.002 r_bond_other_d 0.001 r_nbtor_other r_symmetry_hbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1732 Nucleic Acid Atoms Solvent Atoms 168 Heterogen Atoms 13
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling EPMR phasing