X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20% (W/V) POLYETHYLENE GLYCOL (PEG)3350, 0.1 M HEPES, PH 7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118.7 α = 90
b = 118.7 β = 90
c = 66.3 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MX-225) MARRESEARCH -- 2012-03-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 -- BESSY 14.2

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
3.2 51.38 100.0 0.15 -- -- 9.7 -- 9157 -- 3.0 --
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)
3.2 3.37 100.0 0.49 -- 4.5 9.9 --

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 3.2 102.77 -- -- -- 8685 437 99.73 -- 0.18849 0.18759 0.20681 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 3.2 3.283 -- 32 629 0.246 0.276 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 51.529
Anisotropic B[1][1] -0.6
Anisotropic B[1][2] -0.3
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.9
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.342
r_scbond_it 1.304
r_mcangle_it 1.275
r_mcbond_it 0.682
r_gen_planes_refined 0.006
r_chiral_restr 0.099
r_dihedral_angle_4_deg 12.161
r_dihedral_angle_3_deg 19.881
r_dihedral_angle_2_deg 37.233
r_dihedral_angle_1_deg 6.818
r_angle_refined_deg 1.489
r_bond_refined_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1629
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 7

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER-MR Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
PHASER-MR model building