X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8.6
Temperature 295.0
Details PEG, pH 8.6, VAPOR DIFFUSION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 125.31 α = 90
b = 125.31 β = 90
c = 87.48 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
Si 111 Channel MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.97 NSLS X4A
SYNCHROTRON APS BEAMLINE 14-BM-C 1.0 APS 14-BM-C

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 78.5 0.094 0.094 -- 4.7 15869 12451 2.0 2.0 42.2
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 2.97 25.5 0.31 0.31 1.3 1.5 1014

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
MAD 2.9 31.33 0.0 0.0 11841 11841 1209 74.2 0.257 0.257 0.257 0.323 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 3.08 -- 73 469 0.451 0.447 0.052 21.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.9
Anisotropic B[1][1] 9.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 9.68
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -19.35
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.9
c_improper_angle_d 0.83
c_angle_deg 1.3
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.53
Luzzati Sigma A (Observed) 0.9
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.67
Luzzati Sigma A (R-Free Set) 0.95
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3641
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 0

Software

Software
Software Name Purpose
CAD4 data collection
DENZO data reduction
CNS refinement
CAD4 data reduction
SCALEPACK data scaling
CNS phasing