X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Capillary Contradiffusion
pH 4.6
Temperature 298.0
Details 0.2M ammonium sulphate, 0.1M ammonium acetate trihydrate, 25%(w/v) PEG 4000, pH 4.6, capillary contradiffusion, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.32 α = 90
b = 42.15 β = 90
c = 47.6 γ = 92.08
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2008-03-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM16 0.97 ESRF BM16

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
1.35 47.62 92.0 0.062 0.062 -- 2.4 73746 67847 0.0 0.0 13.018
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)
1.35 1.4 92.9 0.411 0.411 1.84 2.3 6858

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 1.35 47.619 0.0 0.0 73746 67844 3424 91.84 0.189 0.189 0.187 0.216 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 1.35 1.385 -- 236 4714 0.287 0.284 -- 91.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.043
Anisotropic B[1][1] 0.15
Anisotropic B[1][2] 0.09
Anisotropic B[1][3] -0.01
Anisotropic B[2][2] 0.12
Anisotropic B[2][3] 0.02
Anisotropic B[3][3] -0.26
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 3.97
r_dihedral_angle_2_deg 29.801
r_dihedral_angle_3_deg 13.723
r_dihedral_angle_4_deg 8.915
r_angle_refined_deg 2.163
r_chiral_restr 0.134
r_bond_refined_d 0.022
r_gen_planes_refined 0.016
r_scangle_it 5.728
r_mcangle_it 3.908
r_mcbond_it 2.704
r_dihedral_angle_1_deg 6.488
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2964
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 234

Software

Software
Software Name Purpose
SCALA data scaling
MOLREP phasing
REFMAC refinement version: 5.5.0072
PDB_EXTRACT data extraction version: 3.005
HKL-2000 data collection
DENZO data reduction
SCALEPACK data scaling