X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 281.0
Details PEG 8000, sodium chloride, hepes, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 281.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.91 α = 90
b = 99.07 β = 97.34
c = 58.63 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 ADSC QUANTUM 4 double crystal monochromator 2000-03-03
Diffraction Radiation
Monochromator Protocol
double crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.0 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
1.4 59.76 88.2 0.031 0.031 -- 2.52 293233 116635 2.0 2.0 18.0
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)
1.4 1.42 58.0 0.117 0.117 5.8 1.3 3860

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 1.45 21.82 0.0 0.0 116635 108126 10852 90.2 0.205 0.205 0.205 0.228 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 1.45 1.52 108126 1105 10158 0.27 0.298 0.009 75.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.7
Anisotropic B[1][1] -2.6
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.85
Anisotropic B[2][2] 0.63
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.97
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_dihedral_angle_d 23.9
c_improper_angle_d 1.07
c_scbond_it 3.01
c_mcangle_it 2.82
c_bond_d 0.008
c_scangle_it 4.68
c_mcbond_it 1.82
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4582
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 540

Software

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