X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 271.0
Details ammonium sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 271.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.13 α = 90
b = 155.5 β = 90
c = 171.15 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-04-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.6 11.5 95.4 0.053 -- -- 3.11 63386 60454 0.0 3.0 24.5
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)
2.4 2.45 87.6 0.285 -- -- 2.8 3736

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
-- 2.4 14.0 0.0 0.0 63312 57893 4443 91.3 0.199 0.194 0.194 0.251 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 2.4 2.55 -- 635 7791 0.256 0.299 0.012 81.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.8
Anisotropic B[1][1] 10.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -9.75
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.01
c_dihedral_angle_d 24.3
c_bond_d 0.013
c_mcbond_it 1.41
c_mcangle_it 2.4
c_scbond_it 1.99
c_angle_deg 1.9
c_improper_angle_d 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.3
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9336
Nucleic Acid Atoms 0
Heterogen Atoms 95
Solvent Atoms 669

Software

Software
Software Name Purpose
CNS refinement
XDS data reduction
AUTOMAR data reduction
CNS phasing