X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.0
Details 1.2 M potassium sodium tartrate, 0.1 M Tris pH 8.5, 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 130.18 α = 90
b = 68.47 β = 136.36
c = 96.29 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD -- 2007-12-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.98 SSRL BL9-2

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 58.1 99.6 0.069 0.096 -- 3.6 34245 34081 0.0 0.0 20.7
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)
2.1 2.15 100.0 0.253 0.343 3.9 3.7 2490

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 36.32 0.0 0.0 34245 34078 1720 99.4 0.237 0.235 0.235 0.283 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 2.23 5366 279 5366 0.332 0.349 0.021 99.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.8
Anisotropic B[1][1] -9.39
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.45
Anisotropic B[2][2] -12.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 21.42
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_angle_deg 1.3
c_dihedral_angle_d 22.0
c_improper_angle_d 0.79
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.35
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4543
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 163

Software

Software
Software Name Purpose
CNS refinement version: 1.2
Blu-Ice data collection
MOSFLM data reduction
SCALA data scaling
PHASER phasing