X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.2
Temperature 301.0
Details ammonium sulfate, lithium sulfate, CAPS, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 301K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.5 α = 90
b = 54.5 β = 103.7
c = 101.8 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 toroidal mirror 2001-09-02
Diffraction Radiation
Monochromator Protocol
diamond (111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 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
1.85 36.85 97.8 0.073 -- -- 3.6 53899 53895 -- -3.7 10.8
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)
1.85 1.89 80.8 0.337 -- 2.9 2.4 2951

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 1.85 36.85 -- 0.0 53895 53895 2766 97.0 0.189 0.189 0.186 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 1.85 1.97 7197 420 7197 0.23 0.253 0.012 83.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED ISOTROPIC
Mean Isotropic B 19.7
Anisotropic B[1][1] 3.16
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.26
Anisotropic B[2][2] 0.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.64
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.16
c_scbond_it 2.07
c_mcangle_it 2.09
c_mcbond_it 1.33
c_improper_angle_d 0.91
c_dihedral_angle_d 26.0
c_angle_deg 1.3
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4113
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 687

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
AMoRE model building
SCALEPACK data reduction
DENZO data collection