X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details HANGING DROP VAPOR DIFFUSION USING A WELL SOLUTION CONTAINING 20% (V/V) 2-METHYL-2,4-PENTANEDIOL AND 0.1 M CITRATE PH 4.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 114.41 α = 90
b = 114.41 β = 90
c = 209.43 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-11-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 1.1 NSLS X8C

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
2.15 26 99.8 0.058 -- -- 5.3 29006 29006 -- -3.0 29.4
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)
2.15 2.23 98.8 0.533 -- 2.7 4.4 2824

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
MIR 2.15 25.61 -- 0.0 29064 28916 2002 99.8 -- 0.201 0.201 0.215 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 2.15 2.23 2832 200 2632 0.265 0.288 0.02 98.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.7
Anisotropic B[1][1] -2.25
Anisotropic B[1][2] 0.34
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.51
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.9
c_dihedral_angle_d 26.4
c_mcangle_it 2.48
c_scbond_it 3.97
c_mcbond_it 1.56
c_scangle_it 5.38
c_improper_angle_d 0.74
c_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 26.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1493
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 163

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS refinement version: 1.0