X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 15% PEG8000, 5MMCDCL2, 10MM HEPES PH7.5, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 26.05 α = 90
b = 54.78 β = 90
c = 65.83 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MULTIWIRE UCSD -- 1991-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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 19 94.9 0.04 -- -- 3.7 -- 6473 -- -- 20.9
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)
2.0 2.15 91.2 0.076 -- 9.3 2.1 --

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
MOLECULAR REPLACEMENT 2.0 19.14 -- 0.0 -- 6394 647 94.4 -- 0.2 0.2 0.226 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 2.0 2.09 -- 79 645 0.206 0.271 0.03 89.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.2
Anisotropic B[1][1] 2.83
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.9
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.08
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.65
c_bond_d 0.005
c_dihedral_angle_d 17.3
c_scangle_it 4.63
c_angle_deg 0.8
c_mcangle_it 2.13
c_scbond_it 3.14
c_mcbond_it 1.46
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 698
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 60

Software

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