X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 293.0
Details 12% PEG 20000, 100 mM MES (2-N-morpholino- ethanesulfonic acid) buffer, 3 mM HgCl2, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 115.23 α = 90
b = 93.67 β = 90
c = 53.46 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-06-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
2.3 53.46 99.8 0.076 -- -- 5.3 26458 26405 4.0 4.0 34.4
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)
2.3 2.37 99.5 0.37 -- -- 4.9 1681

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
MIRAS 2.3 50.0 0.0 0.0 26404 26404 2013 99.8 0.197 0.197 0.194 0.232 Random
RMS Deviations
Key Refinement Restraint Deviation
c_torsion_impr_deg 0.863
c_torsion_deg 21.6
c_bond_d 0.006
c_angle_deg 1.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4062
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 270

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE VERSION 1.17, SHARP V. 1.3 Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS_SOLVE version: 1.0 refinement
SHARP version: V1.3 model building
SOLVE version: V1.17 model building
SCALEPACK data reduction
DENZO data collection