X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Details pH 7.0, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.53 α = 90
b = 55.2 β = 97.58
c = 46.75 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 QUANTUM -- 2002-03-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 1.033 SSRL BL11-1

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
1.9 19.59 91.1 -- -- -- -- 15025 13705 0.0 -3.0 16.6
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)
1.9 2.02 63.5 -- -- -- -- --

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 1.9 19.59 -- 0.0 15025 13688 823 91.1 -- 0.204 0.204 0.246 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 1.9 2.02 -- 96 1479 0.27 0.338 0.034 63.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.0
Anisotropic B[1][1] -3.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 8.64
Anisotropic B[2][2] -8.61
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.61
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.6
c_improper_angle_d 0.69
c_bond_d 0.006
c_mcbond_it 1.47
c_angle_deg 1.2
c_scbond_it 2.29
c_mcangle_it 2.25
c_scangle_it 3.41
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1696
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 178

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing version: CCP4
CNS refinement version: 1.1
CCP4 phasing version: (MOLREP)