X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 279.0
Details PEG 3350, Li2SO4, phosphate-citrate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.14 α = 90
b = 63.68 β = 90
c = 47.91 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-08-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X13 0.802 EMBL/DESY, Hamburg X13

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
1.73 20 97.9 0.072 -- -- 4.8 27834 27589 -- -3.0 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)
1.73 1.77 97.4 0.393 -- 4.0 -- 1829

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
Difference Fourier 1.73 19.59 -- 0.0 27789 27789 1407 97.6 -- -- 0.186 0.215 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 1.73 1.84 4445 233 4212 0.237 0.272 0.018 95.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.2
Anisotropic B[1][1] 2.27
Anisotropic B[1][2] 0.95
Anisotropic B[1][3] -3.22
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.5
c_improper_angle_d 0.73
c_scbond_it 2.3
c_mcbond_it 1.16
c_angle_deg 1.2
c_mcangle_it 1.75
c_bond_d 0.005
c_scangle_it 3.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2017
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 326

Software

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