X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Liquid Diffusion
pH 6
Temperature 293.0
Details SOAKED IN 10 MM SrCl2, pH 6.0, LIQUID DIFFUSION, temperature 293K
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 293.0
Details MPD, MG-ACETATE, CACODYLATE, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.6 α = 90
b = 60.6 β = 90
c = 133.1 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH 16 POLE WIGGLER, FLAT MIRROR, SI(311) BENT MONO WITH HORIZONTAL FOCUS 1999-03-05
Diffraction Radiation
Monochromator Protocol
SI(311) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.98 SSRL BL9-1

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
1.8 33.88 94.1 -- 0.035 -- 2.7 -- 24885 -- -3.0 17.4
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)
1.8 1.83 -- -- 0.164 4.6 1.9 --

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
FOURIER SYNTHESIS 1.81 28.1 -- 0.0 -- 23406 1124 93.4 -- -- 0.21 0.219 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 1.81 1.88 -- 97 1941 0.269 0.282 0.029 80.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 29.62
Anisotropic B[1][1] 4.29
Anisotropic B[1][2] 0.33
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.59
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_torsion_impr_deg 1.72
c_bond_d 0.005
c_torsion_deg 13.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 2072
Heterogen Atoms 16
Solvent Atoms 407

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MAR data reduction
SCALEPACK data scaling
CNS phasing