X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 1.4-1.8 M AMMONIUM SULFATE 50 MM CITRATE PH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.86 α = 90
b = 99.86 β = 90
c = 325.2 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
2.87 23 90.0 0.066 -- -- 4.3 -- 13031 -- -- --

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
OTHER 2.87 23.0 -- 0.0 13027 13027 -- 90.0 -- 0.156 0.156 -- --
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 2.87 3.0 -- -- 985 0.199 -- -- 55.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.4
x_bond_d 0.009
x_angle_deg 1.5
x_dihedral_angle_d 25.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2606
Nucleic Acid Atoms 494
Heterogen Atoms 26
Solvent Atoms 139

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement