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Crystal structure of MltA from Escherichia coli reveals a unique lytic transglycosylase fold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.2 280 PEG 8000, sodium chloride, sodium acetate, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 280K
Crystal Properties Matthews coefficient Solvent content 4.47 72.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 103.873 α = 90 b = 103.873 β = 90 c = 109.777 γ = 120
Symmetry Space Group P 31 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 4 2002-09-23 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.934, 0.9794, 0.9792, 0.9393 ESRF ID14-1
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 30 100 0.049 46854 46854 2
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 2.07 100 100 0.501
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2 30 46854 46646 2388 99.98 0.205 0.205 0.203 0.237 0.2448 RANDOM 37.227
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] 2.7 1.35 2.7 -4.04
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 7.786 r_scbond_it 5.261 r_mcangle_it 3.165 r_mcbond_it 2.051 r_dihedral_angle_1_deg 1.406 r_angle_refined_deg 1.124 r_nbd_refined 0.18 r_symmetry_vdw_refined 0.176 r_xyhbond_nbd_refined 0.13 r_chiral_restr 0.102
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 7.786 r_scbond_it 5.261 r_mcangle_it 3.165 r_mcbond_it 2.051 r_dihedral_angle_1_deg 1.406 r_angle_refined_deg 1.124 r_nbd_refined 0.18 r_symmetry_vdw_refined 0.176 r_xyhbond_nbd_refined 0.13 r_chiral_restr 0.102 r_symmetry_hbond_refined 0.081 r_bond_refined_d 0.004 r_gen_planes_refined 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2637 Nucleic Acid Atoms Solvent Atoms 278 Heterogen Atoms 8
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction SnB phasing SOLVE phasing RESOLVE phasing