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 -- 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_sphericity_bonded 5.535
r_sphericity_free 8.454
r_rigid_bond_restr 2.291
r_scangle_it 5.54
r_scbond_it 3.877
r_mcangle_it 2.826
r_mcbond_it 1.98
r_gen_planes_refined 0.01
r_chiral_restr 0.146
r_dihedral_angle_4_deg 21.593
r_dihedral_angle_3_deg 11.362
r_dihedral_angle_2_deg 32.862
r_dihedral_angle_1_deg 9.222
r_angle_refined_deg 1.98
r_bond_refined_d 0.023
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0082 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0082 refinement
MOLREP model building