X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 298.0
Details PEG 8000, sodium malonate, sodium citrate, ethylene glycol, ethanol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 154.97 α = 90
b = 55.1 β = 119.54
c = 91.34 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 2002-07-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1

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
2.5 40 98.3 0.123 0.123 -- 4.2 23099 n/a -3.0 -3.0 --
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)
2.5 2.59 94.1 0.473 0.473 2.4 3.4 2173

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 2.5 40.0 -- 0.0 23099 23099 2293 98.3 -- 0.22 0.214 0.27 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 2.5 2.59 2173 217 -- 0.321 0.399 -- 94.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 32.7
Anisotropic B[1][1] -1.602
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -9.702
Anisotropic B[2][2] -1.289
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.891
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_mcangle_it 2.933
c_scbond_it 2.779
c_mcbond_it 1.872
c_scangle_it 3.77
c_angle_deg 1.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4621
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 128

Software

Software
Software Name Purpose
MAR345 data collection
SCALEPACK data scaling
AMoRE phasing
CNS refinement