X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 2.0 M Ammonium sulphate, pH 8.5 , VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.99 α = 90
b = 70.41 β = 90
c = 97.05 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2010-05-05
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.427 LNLS D03B-MX1

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
1.89 57 99.78 0.071 0.071 -- 4.7 17782 16822 -- -- --
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)
1.89 1.99 99.9 0.366 0.366 2.1 4.7 --

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 1.89 57.0 -- -- 17782 16822 960 99.78 0.2259 0.22438 0.22227 0.26413 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 1.889 1.938 -- 67 1269 0.286 0.41 -- 98.74
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.924
Anisotropic B[1][1] 0.41
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -6.89
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.49
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 35.317
r_scbond_it 4.519
r_sphericity_bonded 9.916
r_bond_refined_d 0.026
r_dihedral_angle_1_deg 8.971
r_angle_refined_deg 2.577
r_scangle_it 6.113
r_chiral_restr 0.174
r_rigid_bond_restr 2.74
r_mcbond_it 2.086
r_gen_planes_refined 0.012
r_sphericity_free 14.294
r_dihedral_angle_3_deg 18.555
r_mcangle_it 3.075
r_dihedral_angle_4_deg 15.112
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1761
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 87

Software

Software
Software Name Purpose
MOSFLM data reduction
MOLREP phasing
REFMAC refinement version: 5.5.0110
SCALA data scaling