X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 296.0
Details 25% PEG 3350, 0.2 M NH4 acetate, 0.1 M Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.41 α = 87.86
b = 43.08 β = 85.5
c = 58.21 γ = 85.82
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 a KOHZU double crystal monochromator with a sagittally focused second crystal. Two spherical mirrors, one will be rhodium coated. User choice of either mirror depending on the desired energy 2007-03-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9792 NSLS X4A

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
1.8 500 97.6 0.053 -- -- -- -- 37562 -- -- --
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)
1.8 1.86 96.3 0.131 -- -- -- 3701

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 1.8 50.0 -- 0.0 -- 36720 3681 96.7 -- -- 0.181 0.216 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.122
Anisotropic B[1][1] -0.837
Anisotropic B[1][2] 0.102
Anisotropic B[1][3] 0.107
Anisotropic B[2][2] -0.087
Anisotropic B[2][3] -0.204
Anisotropic B[3][3] 0.924
RMS Deviations
Key Refinement Restraint Deviation
c_angle_d 1.421
c_bond_d 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3448
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 479

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
PDB_EXTRACT data extraction version: 3.100
ADSC data collection version: Quantum
HKL-2000 data reduction
MOLREP phasing