X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 293.0
Details 0.1 M NA CITRATE, 0.25 M AMMONIUM ACETATE, 17% PEG2000 MME, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.4 α = 90
b = 88.4 β = 90
c = 153.22 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1998-11-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
1.54 50 99.5 0.06 -- -- 6.5 649016 100985 0.0 0.0 21.2
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)
1.54 1.64 99.5 0.44 -- -- 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
-- 1.54 50.0 0.0 0.0 1000 95655 9536 93.8 0.209 0.209 0.209 0.227 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 1.54 1.64 -- 1339 12132 0.315 0.333 0.009 79.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.1
Anisotropic B[1][1] 3.48
Anisotropic B[1][2] 0.94
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.96
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.79
c_mcbond_it 1.38
c_scbond_it 2.43
c_bond_d 0.005
c_scangle_it 3.56
c_angle_deg 1.2
c_dihedral_angle_d 21.4
c_mcangle_it 2.04
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4117
Nucleic Acid Atoms 0
Heterogen Atoms 143
Solvent Atoms 393

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing