X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 1.8 M AMMONIUM SULFATE PH 8.0.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.5 α = 90
b = 126.5 β = 90
c = 126.5 γ = 90
Symmetry
Space Group P 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 263
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS-NICOLET X100 -- 1993-03
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.99 44.7 96.3 0.08 -- -- 3.3 -- 45014 -- 0.0 --
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)
1.99 2.05 1.99 0.284 -- 2.11 2.05 --

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
ISOMORPHOUS REPLACEMENT 2.05 10.0 -- 0.0 -- 41321 -- 98.2 -- -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.84
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.058
p_planar_tor 2.579
p_chiral_restr 0.174
p_staggered_tor 15.433
p_mcbond_it 0.999
p_mcangle_it 1.595
p_scbond_it 1.508
p_bond_d 0.021
p_singtor_nbd 0.183
p_plane_restr 0.015
p_transverse_tor 29.657
p_scangle_it 2.057
p_planar_d 0.058
p_multtor_nbd 0.267
p_xyhbond_nbd 0.169
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4294
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 235

Software

Software
Software Name Purpose
CCP4 model building
PROLSQ refinement
XENGEN data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling
CCP4 phasing