X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 278.0
Details sodium-HEPES, isopropanol, polyethylene glycol 4000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.06 α = 90
b = 116.22 β = 90
c = 116.98 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-04-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS -- APS --

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
2.1 50 97.1 0.049 -- -- 15.1 72247 70148 0.0 0.0 12.4
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)
2.1 2.18 93.4 0.113 -- -- 9.0 --

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
-- 2.1 50.0 0.0 2.0 72247 65044 5311 90.1 0.222 0.218 0.218 0.255 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 2.1 2.18 -- 452 4889 0.244 0.278 0.013 75.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.5
Anisotropic B[1][1] 3.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.09
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.1
c_scangle_it 2.8
c_scbond_it 1.88
c_improper_angle_d 0.93
c_mcangle_it 1.94
c_bond_d 0.01
c_angle_deg 2.4
c_mcbond_it 1.18
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 10.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8236
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 874

Software

Software
Software Name Purpose
CNS refinement
MAR data reduction
SCALEPACK data scaling
CNS phasing