X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 27-30% PEG-400, 0.1 M HEPES, PH 7.5-7.7, 0.2 M MGCL2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.43 α = 90
b = 124.32 β = 90
c = 130.54 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2007-11-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-1 -- ESRF ID23-1

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
2.4 15 99.2 0.1 -- -- 5.2 -- 47713 -- 2.0 36.4
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)
2.4 2.5 96.6 0.47 -- 3.9 5.2 --

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 2.4 15.0 -- -- -- 45448 2391 100.0 -- 0.18305 0.18034 0.23503 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 2.4 2.461 -- 169 3218 0.22 0.319 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 40.629
Anisotropic B[1][1] -0.91
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.78
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.057
r_scbond_it 1.235
r_mcangle_it 0.815
r_mcbond_it 0.416
r_gen_planes_refined 0.004
r_chiral_restr 0.077
r_dihedral_angle_4_deg 19.315
r_dihedral_angle_3_deg 14.695
r_dihedral_angle_2_deg 36.37
r_dihedral_angle_1_deg 6.317
r_angle_refined_deg 1.242
r_bond_refined_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8506
Nucleic Acid Atoms 0
Heterogen Atoms 185
Solvent Atoms 392

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0102 refinement
MOLREP model building