X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 283.0
Details 20% PEG3350, 200mM di-ammonium tartrate, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.11 α = 90
b = 88.11 β = 90
c = 120.64 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
1.8 30 97.2 0.044 0.035 -- -- 97034 87098 2.0 -- 12.8
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)
1.8 1.86 -- -- -- 2.96 2.08 --

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
MAD 1.8 29.7 -- 2.0 -- 87098 8536 89.7 -- 0.182 0.182 0.212 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 1.8 1.91 -- 1170 10655 0.196 0.225 0.007 73.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.9
Anisotropic B[1][1] 1.66
Anisotropic B[1][2] 2.28
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.32
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.64
c_scangle_it 2.91
c_improper_angle_d 0.76
c_mcbond_it 1.14
c_scbond_it 1.99
c_bond_d 0.005
c_dihedral_angle_d 22.6
c_angle_deg 1.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3852
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 530

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing