X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 289.0
Details 0.18M Lithium citrate tribasic tetrahydrate, 18% w/v Polyethylene glycol 3350, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.34 α = 90
b = 67.34 β = 90
c = 180.29 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2011-11-14
Diffraction Radiation
Monochromator Protocol
double crystal Single wavelength
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRF BEAMLINE BL17U 0.98 SSRF BL17U

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
2.9 50 99.9 0.079 -- -- 15.1 17868 17850 0.0 0.0 --
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)
2.9 3.0 100.0 0.439 -- 7.0 14.7 --

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 2.9 50.0 -- -- 16918 16846 905 99.84 -- 0.18554 0.18315 0.23202 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 2.9 2.975 -- 56 1216 0.284 0.332 -- 99.84
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 74.794
Anisotropic B[1][1] 2.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.64
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_chiral_restr 0.076
r_dihedral_angle_4_deg 20.258
r_dihedral_angle_3_deg 17.707
r_dihedral_angle_2_deg 37.615
r_dihedral_angle_1_deg 5.604
r_angle_refined_deg 1.124
r_bond_refined_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5893
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 17

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
phaser Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
phaser model building
ADSC version: Quantum data collection