X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.1 M MES BUFFER PH 6.5, 2.1M AMMONIUM SULFATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 154.86 α = 90
b = 154.86 β = 90
c = 126.01 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2008-04-25
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 50 99.8 0.09 -- -- 7.3 -- 51418 -- 2.0 --
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)
2.0 2.1 99.8 0.04 -- 4.35 7.3 --

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 2.0 48.87 -- -- -- 49870 1543 100.0 -- 0.18536 0.18431 0.21957 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 2.002 2.054 -- 112 3603 0.234 0.272 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.899
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.01
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 15.542
r_angle_refined_deg 1.351
r_scbond_it 1.786
r_chiral_restr 0.101
r_bond_refined_d 0.011
r_mcbond_it 0.691
r_dihedral_angle_1_deg 6.209
r_dihedral_angle_4_deg 16.084
r_gen_planes_refined 0.006
r_mcangle_it 1.278
r_scangle_it 2.916
r_dihedral_angle_2_deg 34.223
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4204
Nucleic Acid Atoms 0
Heterogen Atoms 156
Solvent Atoms 397

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0044
XDS data reduction
XSCALE data scaling
XDS phasing