X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 10
Details pH 10.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.42 α = 90
b = 76.42 β = 90
c = 54.19 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST -- 1996-03
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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 22 91.8 0.034 -- -- 2.4 -- 11498 -- 1.0 --
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)
2.0 2.1 83.8 -- -- 7.8 1.2 --

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
PHASES FOR NATIVE STRUCTURE 2.0 8.0 -- 1.0 -- 11483 -- -- -- -- 0.175 0.243 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.97
RMS Deviations
Key Refinement Restraint Deviation
p_multtor_nbd 0.18
p_bond_d 0.014
p_angle_d 0.037
p_planar_d 0.042
p_plane_restr 0.009
p_chiral_restr 0.029
p_singtor_nbd 0.16
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 999
Nucleic Acid Atoms 0
Heterogen Atoms 41
Solvent Atoms 133

Software

Computing
Computing Package Purpose
MADNES Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CCP4 Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
CCP4 model building
SCALA data reduction
MADNES data collection