X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4.6
Temperature 293.0
Details 20% PEG4000, 0.1M sodium acetate, pH 4.6, VAPOR DIFFUSION, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.25 α = 90
b = 87.25 β = 90
c = 80.36 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-06-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.72 50 94.9 0.045 -- -- 15.0 424842 33537 28.0 14.0 15.5
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)
1.72 1.75 89.7 0.235 -- -- 4.0 --

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
-- 1.72 20.0 -- 0.0 -- 31365 3118 93.6 -- 0.202 0.202 0.219 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 1.72 1.83 -- 500 4210 0.271 0.268 0.012 85.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model OVERALL
Mean Isotropic B 13.8
Anisotropic B[1][1] 1.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.43
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.87
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.6
c_angle_deg 1.4
c_bond_d 0.006
c_improper_angle_d 0.79
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2400
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 270

Software

Software
Software Name Purpose
MAR data collection
SCALEPACK data scaling
CNS refinement
MAR data reduction
CNS phasing