X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.15
Details 20% PEG4000, 0.2M ammonium sulfate, 0.010MM ZnCl2, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.86 α = 90
b = 76.85 β = 102.08
c = 78.89 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 2001-04-29
Diffraction Radiation
Monochromator Protocol
-- single wavelength
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.9 ESRF BM30A

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
1.65 25 97.9 0.029 0.021 -- 3.5 61458 61308 -- 3.0 10.775
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)
1.65 1.74 96.9 0.051 0.037 -- 2.9 8838

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
MOLECULAR REPLACEMENT 1.65 25.0 -- 0.0 62989 61308 6030 97.3 -- -- 0.1737 0.1983 RANDOM
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 1.65 6.05 1029 123 -- 0.2371 0.2544 -- --
X Ray Diffraction 2.08 2.11 1135 110 -- 0.1674 0.2157 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.08
c_angle_d 0.016
c_angle_deg 1.61547
c_bond_d 0.014067
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4114
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 499

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMoRE model building
SCALA data reduction
DENZO data collection