X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4
Temperature 277.0
Details 2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 29.21 α = 90
b = 46.08 β = 90
c = 57.06 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm MIRRORS 2002-03-05
Diffraction Radiation
Monochromator Protocol
double crystal Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 1.05 MPG/DESY, HAMBURG BW6

Data Collection

Overall
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
1.07 15.85 96.8 0.051 -- -- 5.1 34778 33658 -- 2.0 10.07
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.07 1.09 90.7 0.297 -- 2.2 2.3 1717

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.07 15.85 -- -- 32975 32645 1735 99.0 -- 0.13117 0.12934 0.16535 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.07 1.098 2071 113 2071 0.265 0.304 -- 92.35
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ANISOTROPIC
Mean Isotropic B 15.027
Anisotropic B[1][1] -0.52
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.21
RMS Deviations
Key Refinement Restraint Deviation
r_sphericity_bonded 9.584
r_sphericity_free 23.09
r_rigid_bond_restr 9.638
r_gen_planes_refined 0.016
r_chiral_restr 0.182
r_dihedral_angle_3_deg 13.151
r_dihedral_angle_2_deg 30.994
r_dihedral_angle_1_deg 6.728
r_angle_refined_deg 2.526
r_bond_refined_d 0.024
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 738
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 140

Software

Computing
Computing Package Purpose
Marccd Data Collection
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
Molrep Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
Molrep model building
Marccd data collection