X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 279.0
Details PEG 8000, Zn(OAc)2, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 114.04 α = 90
b = 163.16 β = 90
c = 46.77 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-08-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B 0.842 EMBL/DESY, Hamburg BW7B

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
1.46 20 97.4 0.045 -- -- 4.2 148394 148394 -- -3.0 16.1
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)
1.46 1.49 93.9 0.416 -- 2.5 -- 7526

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 1.46 16.75 -- 0.0 148230 148230 7377 97.3 -- -- 0.202 0.216 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 1.46 1.55 24135 1175 22960 0.247 0.26 0.008 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.3
Anisotropic B[1][1] 0.43
Anisotropic B[1][2] 1.88
Anisotropic B[1][3] -2.31
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.98
c_improper_angle_d 0.76
c_bond_d 0.005
c_angle_deg 1.2
c_dihedral_angle_d 21.5
c_scbond_it 1.97
c_mcangle_it 1.71
c_mcbond_it 1.09
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6146
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 979

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement version: 1.0
CNS phasing version: 1.0