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 APS BEAMLINE 31-ID 0.9793 APS 31-ID
SYNCHROTRON NSLS BEAMLINE X9B 0.9793 NSLS X9B

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_impr_deg 0.89
x_torsion_deg 23.4
x_angle_deg 1.4
x_bond_d 0.009
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 1.1 refinement