X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.0
Details 1.6M Ammonium sulfate, 10% Dioxane, 0.1M MES pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.58 α = 90
b = 137.08 β = 102.97
c = 83.96 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 ADSC QUANTUM 315 -- 2006-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 0.912 NSLS X29A

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
2.5 50 95.1 0.147 -- -- 6.7 -- n/a -- -1.0 --
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)
2.5 2.59 69.1 0.324 -- -- 3.9 1928

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 2.5 50.0 -- 0.0 55742 50816 4926 90.1 -- -- 0.2079 0.2706 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.7133
Anisotropic B[1][1] 3.968
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.446
Anisotropic B[2][2] -16.729
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 12.761
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.96
c_dihedral_angle_d 23.5
c_angle_deg 1.23
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5357
Nucleic Acid Atoms 441
Heterogen Atoms 79
Solvent Atoms 225

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASER Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
pdb_extract version: 3.10 data extraction
CNS refinement
SCALEPACK data reduction
DENZO data collection