X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.8
Details 23% (W/V) PEG 6000, 10% (V/V) OF ETHANOL, 75 MM OF PHOSPHATE BUFFER (PH 6.8)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 107.2 α = 90
b = 115.4 β = 90.21
c = 183.04 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 CCD -- 1999-11-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.2 25 99.3 0.089 -- -- 5.3 -- 223480 -- -- 16.1
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)
2.2 2.28 97.8 0.445 -- 2.5 -- --

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 2.2 22.9 -- 0.0 -- 208506 2074 92.4 -- 0.192 0.192 0.238 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 2.2 2.34 -- 323 30856 0.255 0.295 0.016 83.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.0
Anisotropic B[1][1] -3.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.12
Anisotropic B[2][2] 10.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.15
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 16.9
c_improper_angle_d 0.74
c_scbond_it 2.1
c_mcangle_it 1.72
c_angle_deg 1.1
c_bond_d 0.006
c_mcbond_it 1.15
c_scangle_it 2.91
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 30024
Nucleic Acid Atoms 0
Heterogen Atoms 1548
Solvent Atoms 2283

Software

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