X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details CRYSTALS WERE GROWN BY MICROBATCH METHODS AT 14C. PROTEIN AT 6MG/ML, WAS MIXED WITH AN EQUAL VOLUME O PRECIPITANT (22% PEG8000, 100MM, NACACODYLATE, 100MM CAACETATE)., pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.41 α = 90
b = 56.66 β = 102.29
c = 102.03 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-01-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.6 40 100.0 0.064 -- -- 5.2 -- 92007 -- -- 24.0
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)
1.6 1.67 100.0 0.273 -- 2.6 3.7 --

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 1.65 40.45 -- 0.0 -- 83957 3977 100.0 -- 0.229 0.229 0.256 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 1.65 1.75 -- 596 13329 0.268 0.3 0.012 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 32.2
Anisotropic B[1][1] 5.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.39
Anisotropic B[2][2] -0.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.75
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.12
c_dihedral_angle_d 26.3
c_improper_angle_d 0.81
c_mcbond_it 1.32
c_scangle_it 2.91
c_angle_deg 1.3
c_bond_d 0.005
c_scbond_it 1.98
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5029
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 564

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MOSFLM data reduction
SCALA data scaling
AMoRE phasing