X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 291.0
Details 20% PEG 3350, 350 mM sodium acetate, 50 mM imidazole at 18 degrees (C), pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.2 α = 90
b = 81 β = 106.1
c = 55.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
3.1 20 81.4 0.119 -- -- 2.3 -- 7613 -- -- --
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)
3.1 3.21 71.7 0.255 -- 3.3 -- --

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 3.1 20.0 -- 0.0 -- 7060 332 81.8 0.26 0.26 0.257 0.317 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.2
Anisotropic B[1][1] -11.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.88
Anisotropic B[2][2] -11.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 23.33
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.21
c_scbond_it 1.97
c_scangle_it 1.979
c_mcbond_it 1.135
c_bond_d 0.004
c_angle_deg 0.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2613
Nucleic Acid Atoms 632
Heterogen Atoms 24
Solvent Atoms 4

Software

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