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 15mg/ml protein, NH4H2PO4, 0.1 M Na-citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 193.7 α = 90
b = 193.7 β = 90
c = 175.3 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-05-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 1.00800 APS 19-ID

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 20 100.0 0.125 -- -- 7.7 23462 23462 -5.0 -5.0 65.2
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)
3.0 3.11 100.0 0.415 -- 3.1 7.8 2319

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
MIR 3.06 20.0 -- 0.0 22760 22754 2262 89.9 -- -- 0.2203 0.2519 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Mean Isotropic B 35.184
Anisotropic B[1][1] 2.664
Anisotropic B[1][2] -8.914
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.664
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.327
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.36572
c_dihedral_angle_d 28.5388
c_bond_d 0.007596
c_improper_angle_d 1.27146
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3806
Nucleic Acid Atoms 0
Heterogen Atoms 84
Solvent Atoms 65

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
SOLVE phasing
CCP4 model building
CNS refinement
HKL-2000 data reduction
CCP4 phasing