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 -- 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_scangle_it 2.916
r_scbond_it 1.786
r_mcangle_it 1.278
r_mcbond_it 0.691
r_gen_planes_refined 0.006
r_chiral_restr 0.101
r_dihedral_angle_4_deg 16.084
r_dihedral_angle_3_deg 15.542
r_dihedral_angle_2_deg 34.223
r_dihedral_angle_1_deg 6.209
r_angle_refined_deg 1.351
r_bond_refined_d 0.011
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

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
XDS Structure Solution
REFMAC 5.5.0044 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0044 refinement
XDS model building