X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 1.5 M SODIUM POTASSIUM TARTRATE, pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.09 α = 90
b = 37.4 β = 109.6
c = 34.7 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1991
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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
2.5 43.1 82.76 0.049 -- -- 2.9 -- 3255 -- 2.0 --

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
MOLECULAR REPLACEMENT 2.5 8.0 -- 2.0 -- 3117 -- 82.1 -- -- 0.141 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.009
p_planar_tor 1.3
p_scbond_it 1.68
p_planar_d 0.033
p_mcbond_it 0.852
p_plane_restr 0.008
p_singtor_nbd 0.188
p_chiral_restr 0.124
p_staggered_tor 16.7
p_angle_d 0.028
p_mcangle_it 1.457
p_xyhbond_nbd 0.163
p_scangle_it 2.773
p_multtor_nbd 0.193
p_transverse_tor 28.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 972
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 56

Software

Software
Software Name Purpose
X-PLOR model building
PROFFT refinement
X-PLOR refinement
XDS data reduction
XSCALE data scaling
X-PLOR phasing