X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.2
Temperature 294.0
Details 18% PEG 4000, 0.2M ammonium sulfate, 10 mM phosphate buffer, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 153.82 α = 90
b = 62.16 β = 105.42
c = 160.84 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 MARRESEARCH -- 1998-03-15
Diffraction Radiation
Monochromator Protocol
silicon single crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 1.06 MPG/DESY, HAMBURG BW6

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
2.6 19.9 98.9 0.047 0.047 -- -- 45441 44941 0.0 0.0 66.1
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)
2.6 2.68 91.0 0.317 0.317 3.1 3.1 --

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 2.6 6.0 -- 2.0 41703 40497 2039 97.1 -- -- 0.253 0.346 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 2.6 2.75 6030 304 -- 0.374 0.434 0.025 91.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 53.0
Anisotropic B[1][1] -15.72
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.51
Anisotropic B[2][2] 31.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.57
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.04
c_dihedral_angle_d 22.5
c_angle_deg 1.7
c_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.54
Luzzati Sigma A (R-Free Set) 0.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11876
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 351

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