X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details MPD, calcium chloride, Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.26 α = 90
b = 69.54 β = 108.64
c = 73.11 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2003-06-03
CCD MARRESEARCH -- 2003-05-23
Diffraction Radiation
Monochromator Protocol
Diamond SINGLE WAVELENGTH
Si SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9793 NSLS X9B
SYNCHROTRON APS BEAMLINE 31-ID 0.9793 APS 31-ID

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
2.35 27.99 98.3 0.093 0.093 -- 7.0 18133 n/a 0.0 -3.0 23.8
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)
2.35 2.43 97.8 0.18 0.18 20.0 7.0 --

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
SAD 2.35 27.99 -3.0 0.0 18396 18078 877 98.3 -- -- 0.177 0.211 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 2.35 2.46 2247 121 2126 0.207 0.286 0.026 97.7
X Ray Diffraction 2.46 2.59 2242 119 2123 0.173 0.224 0.021 98.3
X Ray Diffraction 2.59 2.75 2255 94 2161 0.178 0.233 0.024 98.5
X Ray Diffraction 2.75 2.96 2234 83 2151 0.169 0.207 0.023 98.4
X Ray Diffraction 2.96 3.26 2279 100 2179 0.172 0.227 0.023 98.6
X Ray Diffraction 3.26 3.73 2247 116 2131 0.168 0.2 0.019 98.6
X Ray Diffraction 3.73 4.69 2255 115 2140 0.15 0.176 0.016 97.5
X Ray Diffraction 4.69 27.99 2319 129 2190 0.211 0.204 0.018 98.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.98
Anisotropic B[1][1] -0.83
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.16
Anisotropic B[2][2] 2.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.65
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_deg 23.4
x_bond_d 0.009
x_torsion_impr_deg 0.89
x_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3163
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 260

Software

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