X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN 9 MG/ML IN 20 MM TRIS-CL, PH 7.5, 150 MM NACL MIXED 1:1 WITH 100 MM TRIS-CL, PH 7.5, 50 % SAT. (NH4)2SO4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.88 α = 90
b = 117.88 β = 90
c = 582.04 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.7 30 89.0 0.09 -- -- 3.0 -- 60071 -- -- 51.3
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)
2.7 2.76 78.0 0.54 -- 2.1 -- --

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
MOLECULAR REPLACEMENT 2.7 30.0 -- 0.0 -- 60106 3071 89.4 -- 0.257 0.257 0.289 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.7 2.87 -- 463 8137 0.364 0.406 0.019 78.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.8
Anisotropic B[1][1] 2.7
Anisotropic B[1][2] 2.71
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.4
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_scangle_it 9.9
c_scbond_it 6.99
c_dihedral_angle_d 24.4
c_improper_angle_d 1.11
c_mcangle_it 7.95
c_mcbond_it 5.12
c_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.41
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.65
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7124
Nucleic Acid Atoms 0
Heterogen Atoms 222
Solvent Atoms 39

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing