X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.4
Details 30% PEG 4000, 0.2 M NA-ACETATE, 0.1 M AMMONIUM-ACETATE, PH 6.4, 0.15 M CHOLINE-CL, 0.4 MM DDAO.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.05 α = 90
b = 118.18 β = 90
c = 104.86 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate TOROIDAL MIRROR 2000-10-30
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 0.9840,1.0695,1.0715 EMBL/DESY, Hamburg X31

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
2.6 35 99.7 0.062 0.049 -- 4.5 -- 11378 -- 8.0 43.6
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)
2.6 2.74 100.0 0.337 0.266 5.4 4.5 --

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
MAD 2.6 34.9 -- 0.0 -- 11378 1169 99.0 -- 0.239 0.239 0.302 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 2.6 2.76 -- 168 1717 0.345 0.395 0.021 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 48.5
Anisotropic B[1][1] 14.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -12.1
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.12
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.76
c_scangle_it 2.69
c_improper_angle_d 0.69
c_bond_d 0.008
c_angle_deg 1.3
c_dihedral_angle_d 24.9
c_mcangle_it 2.23
c_mcbond_it 1.31
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.37
Luzzati Sigma A (Observed) 0.43
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2122
Nucleic Acid Atoms 0
Heterogen Atoms 82
Solvent Atoms 79

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
SOLVE phasing
SHARP phasing
CNS refinement version: 1.0