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CRYSTAL STRUCTURE OF THE B SUBUNIT OF HUMAN HEAT-LABILE ENTEROTOXIN FROM E. COLI CARRYING A PEPTIDE WITH ANTI-HSV ACTIVITY
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LTS PDB ENTRY 1LTS, CHAINS D-H
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 pH 6
Crystal Properties Matthews coefficient Solvent content 5.54 78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 127.23 α = 90 b = 127.23 β = 90 c = 174.19 γ = 90
Symmetry Space Group P 41 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 IMAGE PLATE AREA DETECTOR MARRESEARCH MIRRORS 1998-02-26 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R ELETTRA 5.2R
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 3.04 23.19 97.5 0.041 0.044 11.8 3.5 27477 2 40
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) 3.04 3.39 95.6 0.073 0.1 3.4
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1LTS, CHAINS D-H 3.04 8 2 25803 1770 92 0.1828 0.1828 0.182 0.217 0.2083 RANDOM 23
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 x_dihedral_angle_d 18 x_angle_deg 1.3 x_improper_angle_d 1 x_bond_d 0.007 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 18 x_angle_deg 1.3 x_improper_angle_d 1 x_bond_d 0.007 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4381 Nucleic Acid Atoms Solvent Atoms 116 Heterogen Atoms 30
Software Software Software Name Purpose MOSFLM data reduction SCALE data reduction AMoRE phasing X-PLOR refinement CCP4 data scaling