X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.6
Temperature 294.0
Details PEG 8000, glycerol, bis-Tris, magnesium chloride, potassium mercury thiocyanate, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.06 α = 90
b = 116.77 β = 90
c = 120.34 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
IMAGE PLATE MARRESEARCH -- 2001-12-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1

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 20 99.8 -- 0.051 -- 11.6 -- 97291 -- -- 19.7
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)
2.0 2.03 97.1 -- 0.442 4.0 5.4 4640

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 2.0 19.83 -- 0.0 97450 93609 3756 95.9 -- 0.203 0.203 0.234 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 2.0 2.13 -- 569 14032 0.235 0.272 0.011 90.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.9
Anisotropic B[1][1] 4.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.09
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.81
c_improper_angle_d 0.78
c_mcangle_it 2.57
c_scangle_it 3.95
c_bond_d 0.006
c_dihedral_angle_d 18.5
c_angle_deg 1.1
c_scbond_it 2.76
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8555
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 588

Software

Software
Software Name Purpose
MAR345 data collection
SCALEPACK data scaling
CNS refinement
CNS phasing