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_transverse_tor 29.657
p_staggered_tor 15.433
p_planar_tor 2.579
p_xyhbond_nbd 0.169
p_multtor_nbd 0.267
p_bond_d 0.021
p_angle_d 0.058
p_planar_d 0.058
p_mcbond_it 0.999
p_mcangle_it 1.595
p_scbond_it 1.508
p_scangle_it 2.057
p_plane_restr 0.015
p_chiral_restr 0.174
p_singtor_nbd 0.183
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

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
CCP4 Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
CCP4 model building