X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.7 α = 90
b = 143.7 β = 90
c = 173.6 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH CYLINDRICAL MIRROR 1997-02-14
Diffraction Radiation
Monochromator Protocol
GE(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.57 30 99.5 0.04 -- -- 6.5 -- 95543 -- -3.0 18.5
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)
1.57 1.6 96.2 0.208 -- 5.7 3.3 --

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
DIFFERENCE FOURIER 1.57 10.0 -- 0.0 -- 94943 -- 99.7 -- -- 0.185 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.5
RMS Deviations
Key Refinement Restraint Deviation
p_singtor_nbd 0.105
p_scangle_it 10.4
p_transverse_tor 30.4
p_bond_d 0.014
p_mcangle_it 4.8
p_angle_d 0.028
p_staggered_tor 15.2
p_multtor_nbd 0.14
p_planar_d 0.032
p_plane_restr 0.015
p_planar_tor 2.9
p_scbond_it 7.8
p_mcbond_it 3.6
p_chiral_restr 0.14
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2820
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 416

Software

Software
Software Name Purpose
CCP4 model building
PROLSQ refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing