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 = 77.63 α = 90
b = 131.75 β = 90.42
c = 125.59 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 -- 2007-08-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
2.5 20 98.8 0.09 -- -- 3.0 -- 85373 -- 2.0 43.4
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)
2.5 2.6 94.0 0.41 -- 1.9 2.7 --

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 2.51 20.0 -- -- -- 83509 1705 98.66 -- 0.17701 0.17579 0.23665 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 2.507 2.571 -- 110 5563 0.239 0.351 -- 91.12
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.775
Anisotropic B[1][1] -0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.13
Anisotropic B[2][2] 1.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.96
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.009
r_scbond_it 1.16
r_dihedral_angle_1_deg 6.452
r_scangle_it 1.906
r_dihedral_angle_3_deg 15.932
r_angle_refined_deg 1.31
r_gen_planes_refined 0.004
r_chiral_restr 0.077
r_dihedral_angle_2_deg 36.361
r_mcbond_it 0.41
r_dihedral_angle_4_deg 18.403
r_mcangle_it 0.802
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16811
Nucleic Acid Atoms 0
Heterogen Atoms 500
Solvent Atoms 908

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0102
HKL-2000 data reduction
SCALEPACK data scaling
MOLREP phasing