X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 298.0
Details ammonium sulfate, HEPES-NaOH, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.43 α = 90
b = 72.43 β = 90
c = 98.21 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2000-05-23
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A 1.0000 Photon Factory BL-6A

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
1.7 24.25 99.8 0.054 -- -- 5.4 32087 32087 0.0 0.0 19.7
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)
1.7 1.79 99.3 0.346 -- 2.2 5.2 4410

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 1.7 24.29 -- 0.0 32190 32061 1593 99.6 0.194 0.192 0.192 0.223 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 1.7 1.81 -- 256 5050 0.22 0.247 0.015 99.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.6
Anisotropic B[1][1] -3.02
Anisotropic B[1][2] -1.06
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.04
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_dihedral_angle_d 17.0
c_angle_deg 1.1
c_mcbond_it 2.16
c_improper_angle_d 0.74
c_scbond_it 3.66
c_scangle_it 4.75
c_mcangle_it 2.47
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2193
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 351

Software

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