X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.9
Temperature 293.0
Details Magnesium Sulfate, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.58 α = 90
b = 32.97 β = 90
c = 120.27 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2004-06-22
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM16 0.98 ESRF BM16

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
1.51 19.57 95.3 0.039 0.039 -- 5.17 -- 19330 0.0 0.0 19.2
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)
1.5 1.6 79.6 0.25 0.25 6.78 5.08 2774

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 1.6 9.88 -- 0.0 16709 16449 1643 98.4 -- -- 0.212 0.225 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 1.6 1.66 1616 178 1438 0.247 0.241 0.018 98.4
X Ray Diffraction 1.66 1.72 1598 158 1440 0.22 0.217 0.017 97.4
X Ray Diffraction 1.72 1.8 1628 167 1461 0.23 0.227 0.018 98.2
X Ray Diffraction 1.8 1.9 1617 162 1455 0.216 0.216 0.017 99.6
X Ray Diffraction 1.9 2.01 1632 142 1490 0.21 0.212 0.018 98.6
X Ray Diffraction 2.01 2.17 1646 174 1472 0.211 0.214 0.016 98.8
X Ray Diffraction 2.17 2.38 1665 161 1504 0.209 0.212 0.017 99.0
X Ray Diffraction 2.38 2.72 1657 160 1497 0.208 0.209 0.016 99.8
X Ray Diffraction 2.72 3.4 1711 185 1526 0.204 0.205 0.015 99.7
X Ray Diffraction 3.4 9.88 1679 156 1523 0.213 0.214 0.017 93.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.58
Anisotropic B[1][1] -3.63
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.43
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.12
c_scbond_it 2.22
c_mcangle_it 1.92
c_mcbond_it 1.25
c_torsion_impr_deg 2.16
c_torsion_deg 22.1
c_angle_deg 1.9
c_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 989
Nucleic Acid Atoms 0
Heterogen Atoms 79
Solvent Atoms 80

Software

Computing
Computing Package Purpose
PRODC Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 1.0 refinement