X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Temperature 277.0
Details Precipitation buffer: 100 mM HEPES, 0.2 M Magnesium Acetate, 14% PEG8000, pH 7.10, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.29 α = 90
b = 88.29 β = 90
c = 104.38 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2002-01-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

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
2.6 20 94.0 0.082 0.082 -- 7.6 14916 14064 0.0 1.0 28.3
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)
2.6 2.69 75.1 0.498 0.498 1.7 2.1 1464

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 2.6 18.8 0.0 2.0 14922 11613 1186 78.1 -- 0.208 0.187 0.223 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 2.6 2.69 509 57 509 0.245 0.293 0.039 38.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.2
Anisotropic B[1][1] -0.69
Anisotropic B[1][2] 5.81
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.39
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.8
c_improper_angle_d 0.76
c_scbond_it 2.22
c_mcbond_it 1.55
c_bond_d 0.007
c_mcangle_it 2.35
c_angle_deg 1.3
c_scangle_it 3.29
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2435
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 124

Software

Software
Software Name Purpose
CNX refinement version: 2000
MAR345 data collection
HKL-2000 data scaling
CNX phasing version: 2000