X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 296.0
Details Ammonium Sulfate, Tris, CHAPS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 192.8 α = 90
b = 192.8 β = 90
c = 302.4 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
2 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-11-04
CCD ADSC QUANTUM 4 -- 1999-09-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B -- APS 5ID-B
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
3.5 40 99.8 0.091 -- -- 3.1 27510 27411 0.0 0.0 100.5
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)
3.5 3.63 99.7 0.461 -- -- 3.1 2704

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
-- 3.5 36.87 0.0 0.0 27510 27411 1418 99.6 0.254 0.254 0.254 0.273 SHELLS
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 3.5 3.72 -- 265 4236 0.306 0.349 0.021 99.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 89.2
Anisotropic B[1][1] 12.2
Anisotropic B[1][2] 17.22
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 12.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -24.4
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.23
c_bond_d 0.01
c_dihedral_angle_d 25.3
c_mcbond_it 10.46
c_scangle_it 23.32
c_angle_deg 1.6
c_mcangle_it 15.79
c_scbond_it 16.86
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.61
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4821
Nucleic Acid Atoms 0
Heterogen Atoms 430
Solvent Atoms 0

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 0.9