X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 295.0
Details 44% PEG 200, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION,HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.39 α = 90
b = 116.71 β = 90
c = 141 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
CCD ADSC QUANTUM 4r Flat mirror,single crystal Si(311) bent monochromator 2002-04-14
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
2.1 50.75 95.2 -- 0.065 -- 3.2 50458 50458 -- -- 28.461
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 2.15 86.3 -- 0.445 2.3 2.7 3309

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 2.1 20.0 -- 2.0 50381 49793 2485 93.6 -- -- 0.1932 0.2398 --
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 2.11 -- 44 845 0.2549 0.3606 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 35.8
Anisotropic B[1][1] -7.859
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.523
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.336
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_scbond_it 2.048
c_scangle_it 3.025
c_mcangle_it 1.881
c_angle_deg 1.22
c_mcbond_it 1.23
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2416
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7248
Nucleic Acid Atoms 0
Heterogen Atoms 184
Solvent Atoms 338

Software

Software
Software Name Purpose
MOSFLM data reduction
CCP4/Scala data reduction
RESOLVE/SOLVE model building
CNS refinement
CCP4 data scaling version: (SCALA)
RESOLVE/SOLVE phasing