X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 1.5-1.6M AMMONIUM SULPHATE, 100 MM MES PH 6.3-6.5 AND 2% V/V GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.41 α = 90
b = 97.29 β = 102.38
c = 124.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2008-06-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.85 30 97.3 0.09 -- -- 3.8 -- 49227 -- 0.0 --
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)
2.85 2.9 97.1 0.76 -- 2.1 3.88 --

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 2.85 48.79 -- -- -- 46534 2463 96.9 -- 0.203 0.2 0.248 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 2.85 2.92 -- 182 3418 0.332 0.372 -- 96.98
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.95
Anisotropic B[1][1] 0.98
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.41
Anisotropic B[2][2] 0.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.3
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.228
r_gen_planes_other 0.001
r_bond_other_d 0.001
r_mcangle_it 0.89
r_dihedral_angle_4_deg 19.182
r_gen_planes_refined 0.005
r_dihedral_angle_3_deg 18.519
r_angle_other_deg 0.839
r_scbond_it 1.204
r_bond_refined_d 0.011
r_scangle_it 2.07
r_mcbond_other 0.062
r_chiral_restr 0.068
r_dihedral_angle_2_deg 37.567
r_dihedral_angle_1_deg 5.977
r_mcbond_it 0.458
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13066
Nucleic Acid Atoms 0
Heterogen Atoms 121
Solvent Atoms 0

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0038
XDS data reduction
XSCALE data scaling
PHASER phasing