X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 20.0
Details Ethanol, PEG 8000,MES, potassium chloride, magnesium chloride, glycerol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.76 α = 90
b = 143.76 β = 90
c = 69.16 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 -- -- 1999
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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
2.7 50 99.9 0.14 -- -- 13.4 22910 n/a -- -- 49.1

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
-- 2.7 50.0 -- 0.0 -- 22858 1112 99.8 -- 0.224 0.224 0.279 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 2.7 2.87 -- 167 3612 0.304 0.375 0.029 99.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 36.1
Anisotropic B[1][1] 6.11
Anisotropic B[1][2] 7.79
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.11
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -12.22
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 0.11
c_scbond_it 0.05
c_mcangle_it 0.21
c_mcbond_it 0.11
c_improper_angle_d 0.92
c_dihedral_angle_d 22.5
c_angle_deg 1.4
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.43
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5593
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 48

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (TRUNCATE) Data Reduction (data scaling)
AMORE Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
CNS version: 0.5 refinement
AMORE model building