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Crystal Structure of Escherichia coli L-arabinose Isomerase (ECAI) complexed with Ribitol
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2AJT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 298 PEG 3350, TRISODIUM CITRATE DIHYDRATE, Ribitol, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.46 50.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 116.472 α = 90 b = 116.472 β = 90 c = 214.81 γ = 120
Symmetry Space Group P 32 2 1
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 ADSC QUANTUM 315 MIRRORS 2006-07-18 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MAR CCD 165 mm MIRRORS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.1 NSLS X29A 2 SYNCHROTRON NSLS BEAMLINE X3A 0.979 NSLS X3A
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 2.3 20 99.5 0.073 22.3 6.6 85584 2 2 52
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 2AJT 2.3 20 70507 3746 98.31 0.21401 0.21184 0.2766 0.25505 0.3075 RANDOM 28.847
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] 1.37 0.68 1.37 -2.05
RMS Deviations Key Refinement Restraint Deviation r_sphericity_free 42.407 r_dihedral_angle_2_deg 36.349 r_dihedral_angle_4_deg 18.233 r_dihedral_angle_3_deg 15.9 r_dihedral_angle_1_deg 9.187 r_rigid_bond_restr 8.025 r_sphericity_bonded 7.585 r_angle_other_deg 1.218 r_angle_refined_deg 1.077 r_chiral_restr 0.062
RMS Deviations Key Refinement Restraint Deviation r_sphericity_free 42.407 r_dihedral_angle_2_deg 36.349 r_dihedral_angle_4_deg 18.233 r_dihedral_angle_3_deg 15.9 r_dihedral_angle_1_deg 9.187 r_rigid_bond_restr 8.025 r_sphericity_bonded 7.585 r_angle_other_deg 1.218 r_angle_refined_deg 1.077 r_chiral_restr 0.062 r_bond_refined_d 0.006 r_gen_planes_refined 0.004 r_bond_other_d 0.003 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11522 Nucleic Acid Atoms Solvent Atoms 221 Heterogen Atoms 37
Software Software Software Name Purpose CBASS data collection MOLREP phasing REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling