X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.6
Temperature 277.0
Details Tris, 10mM DTT, 4% PEG 8000, pH 7.6, VAPOR DIFFUSION, SITTING DROP at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 179.91 α = 90
b = 179.91 β = 90
c = 98.54 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-06-01
Diffraction Radiation
Monochromator Protocol
mirror MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 32-ID 0.9764, 0.9793, 0.9791, 0.9686 APS 32-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
2.9 30 99.2 -- -- -- -- 39977 39977 -- -3.0 151.6
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)
2.9 3.0 98.3 -- -- -- -- --

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
MAD 2.9 29.71 -- 0.0 39977 39977 1995 99.1 -- 0.23 0.23 0.264 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 2.9 3.08 -- 343 6305 0.425 0.468 0.025 99.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 60.8
Anisotropic B[1][1] 6.07
Anisotropic B[1][2] 13.59
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.89
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.23
c_bond_d 0.008
c_dihedral_angle_d 23.2
c_mcbond_it 1.36
c_improper_angle_d 0.87
c_scbond_it 2.05
c_angle_deg 1.3
c_mcangle_it 2.38
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.51
Luzzati Sigma A (R-Free Set) 0.61
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6654
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MADSYS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
MADSYS model building
CNS version: 1.1 refinement