X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 291.0
Details HEPES, sodium potassium tatrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 124.23 α = 90
b = 124.23 β = 90
c = 222.72 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-01-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
1.73 50 95.9 0.09 -- -- 3.5 65086 n/a 0.0 -- 18.3
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)
1.73 1.85 94.8 0.301 -- -- 2.9 10624

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
-- 1.73 50.0 -- 0.0 65086 65086 6599 95.9 -- -- 0.212 0.251 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 1.74 1.85 9524 1100 9524 0.241 0.281 0.008 94.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.2
Anisotropic B[1][1] 0.78
Anisotropic B[1][2] -1.75
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.56
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.49
c_dihedral_angle_d 22.2
c_angle_deg 1.3
c_improper_angle_d 0.92
c_mcangle_it 0.85
c_scbond_it 0.81
c_scangle_it 1.22
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4184
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 1038

Software

Software
Software Name Purpose
CNS refinement
MAR data reduction
DENZO data reduction
CCP4 data scaling
CNS phasing