X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 298.0
Details 25%PEG 1000, 100mM sodium acetate, 300mM CdCl2, 100mM ammonium sulfate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.42 α = 90
b = 80.67 β = 90
c = 134.75 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-02-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
2.8 20 86.2 0.08 -- -- 5.0 18775 103369 2.0 0.0 13.9
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)
2.8 2.9 70.5 0.28 -- -- 3.0 531

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
-- 2.8 20.0 0.0 2.0 18775 16916 1674 79.2 0.241 0.232 0.232 0.285 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 2.8 2.97 -- 183 1567 0.289 0.384 0.028 50.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 51.0
Anisotropic B[1][1] 16.06
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -10.97
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.09
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.009
c_angle_deg 1.6
c_dihedral_angle_d 26.4
c_improper_angle_d 0.99
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 7.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6642
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 74

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 0.4