X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.4
Temperature 293.0
Details 24% PEG 4000, 100mM sodium citrate, 0.2M ammonium acetate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.74 α = 81.55
b = 53.79 β = 76.59
c = 79.52 γ = 90.04
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 double crystal monochromator 2002-03-08
Diffraction Radiation
Monochromator Protocol
graphite double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9184 APS 19-ID

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
2.1 40.5 89.6 0.104 -- -- 2.0 38985 38985 0.0 0.0 14.7
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)
2.1 2.14 87.1 0.5 -- 2.0 -- --

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 2.1 29.17 -- 0.0 34917 34917 1733 89.8 0.219 0.219 0.219 0.273 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 2.1 2.18 -- 165 3173 0.265 0.306 0.024 86.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.9
Anisotropic B[1][1] 0.98
Anisotropic B[1][2] 0.63
Anisotropic B[1][3] -3.7
Anisotropic B[2][2] -5.93
Anisotropic B[2][3] -0.45
Anisotropic B[3][3] 4.95
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.38
c_scbond_it 2.33
c_dihedral_angle_d 24.2
c_scangle_it 3.13
c_improper_angle_d 1.1
c_angle_deg 1.7
c_mcbond_it 1.56
c_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.31
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4906
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 423

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.1
HKL-2000 data reduction