X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 3
Details 0.18 M LI2SO4, 0.1M NA ACETATE PH 3.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.24 α = 90
b = 39.24 β = 90
c = 124.91 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2008-01-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.5 30 94.6 0.06 -- -- 13.4 -- 17552 -- 0.0 20.2
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)
1.5 1.55 60.5 0.47 -- 5.5 1.5 --

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 1.5 37.42 -- -- -- 14801 787 94.63 -- 0.18343 0.18019 0.25053 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 1.5 1.539 -- 33 649 0.283 0.312 -- 57.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.567
Anisotropic B[1][1] 0.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.55
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 21.593
r_dihedral_angle_3_deg 11.362
r_bond_refined_d 0.023
r_scangle_it 5.54
r_scbond_it 3.877
r_mcangle_it 2.826
r_angle_refined_deg 1.98
r_rigid_bond_restr 2.291
r_dihedral_angle_2_deg 32.862
r_mcbond_it 1.98
r_gen_planes_refined 0.01
r_sphericity_free 8.454
r_sphericity_bonded 5.535
r_dihedral_angle_1_deg 9.222
r_chiral_restr 0.146
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 742
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 101

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0082
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing