X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details PEG 8000, pH 7.80

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 182.65 α = 90
b = 59.08 β = 94.55
c = 67.3 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate PREMIRROR, BENT MIRROR 2000-08-10
Diffraction Radiation
Monochromator Protocol
TRIANGULAR MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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
2.3 35 91.0 -- 0.058 -- 3.26 -- n/a -- -3.0 --
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)
2.3 2.4 88.7 -- 0.183 2.2 -- --

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 2.3 20.0 -- 0.0 -- 27663 -- 91.0 -- 0.171 0.167 0.244 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.513
Anisotropic B[1][1] -1.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.15
Anisotropic B[2][2] 2.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.22
RMS Deviations
Key Refinement Restraint Deviation
p_xyhbond_nbd 0.169
p_bond_d 0.051
p_mcbond_it 2.553
p_mcangle_it 3.772
p_scbond_it 6.423
p_scangle_it 8.873
p_chiral_restr 0.25
p_singtor_nbd 0.274
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4943
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 237

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
CNS Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CNS model building