X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 292.0
Details peg4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.81 α = 90
b = 71.4 β = 91.65
c = 62 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-11-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.98 ESRF ID14-4

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
1.8 20 99.7 -- 0.035 -- 3.3 38701 38614 0.0 0.0 17.18
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)
1.8 1.9 99.6 -- 0.098 6.6 3.3 5477

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
FOURIER SYNTHESIS 1.8 20.0 -- 0.0 38701 38614 1932 99.7 -- -- 0.174 0.21 random
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.892
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.292
Anisotropic B[2][2] 0.774
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.666
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.043
c_scbond_it 2.045
c_mcangle_it 1.71
c_mcbond_it 1.137
c_angle_d 1.2
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2869
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 528

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
PHASES Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
PHASES model building
SCALA data reduction
DENZO data collection