X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 297.0
Details 20% PEG 2000, 10% isopropanol, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 159.19 α = 90
b = 159.19 β = 90
c = 450.03 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 0.92014 SSRL BL11-1

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 79.6 100.0 0.087 -- -- 11.8 50609 50609 0.0 -- 76.5
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)
2.87 3.03 100.0 0.498 -- 1.6 12.0 7297

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 2.87 79.6 -- 0.0 50609 50558 2570 99.7 -- 0.25 0.25 0.296 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 2.87 2.97 -- 240 4730 0.351 0.415 0.027 99.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 85.9
Anisotropic B[1][1] 0.7
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.4
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.88
c_dihedral_angle_d 20.8
c_scangle_it 1.77
c_improper_angle_d 0.69
c_scbond_it 1.08
c_bond_d 0.004
c_angle_deg 0.8
c_mcangle_it 1.59
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.43
Luzzati Sigma A (Observed) 0.57
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.56
Luzzati Sigma A (R-Free Set) 0.76
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14719
Nucleic Acid Atoms 0
Heterogen Atoms 274
Solvent Atoms 50

Software

Software
Software Name Purpose
PHASER phasing
CNS refinement version: 1.3
MOSFLM data reduction
SCALA data scaling