X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 298.0
Details PEG MME 2K, Sodium Citrate, Ammonium Acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.05 α = 90
b = 89.05 β = 90
c = 153.14 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 1.00 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
1.59 500 93.5 0.056 -- -- 6.5 590345 590345 0.0 0.0 15.3
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)
1.59 1.69 85.9 0.41 0.17 3.5 4.5 13423

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
AB INITIO PHASING 1.59 33.56 0.0 0.0 88788 88788 8505 9.0 0.23 0.23 0.23 0.253 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 27.8
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.44
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.71
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.42
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_bond_d 0.006
c_improper_angle_d 0.77
c_dihedral_angle_d 21.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.039
Luzzati Sigma A (R-Free Set) 0.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4106
Nucleic Acid Atoms 0
Heterogen Atoms 170
Solvent Atoms 415

Software

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