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_angle_d 0.037
p_planar_d 0.042
p_plane_restr 0.009
p_multtor_nbd 0.18
p_bond_d 0.014
p_singtor_nbd 0.16
p_chiral_restr 0.029
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 132

Software

Software
Software Name Purpose
MADNES data collection
SCALA data scaling
CCP4 model building
PROLSQ refinement
MADNES data reduction
CCP4 data scaling version: (SCALA)
CCP4 phasing