X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 303.0
Details 54% saturated ammonium sulfate, 100mM Hepes buffer (pH 7.0), 9mg/ml protein solution consisting of: 20mM imidazole buffer (pH 6.5), 100mM KCl, 40mM phosphonopyruvate, 5mM MgCl2, 0.1mM EDTA, 1mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 303K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.21 α = 90
b = 58.42 β = 94.99
c = 102.55 γ = 90
Symmetry
Space Group P 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirror 2001-03-06
Diffraction Radiation
Monochromator Protocol
CRYOGENITCALLY-COOLED SI(111) DOUBLE CRYSTAL system SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-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
1.73 25 95.1 0.114 -- -- 3.4 104444 104444 0.0 0.0 40.8
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)
1.73 1.79 81.4 0.52 -- 4.1 3.1 14814

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
FOURIER SYNTHESIS 2.2 25.0 -- 2.0 52306 51903 2584 96.3 -- -- 0.198 0.269 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.9
c_bond_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6752
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 0

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement