X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.7
Temperature 276.0
Details Tris, Magnesium Chloride, PEG 400, DTT, pH 7.7, VAPOR DIFFUSION, SITTING DROP, temperature 276K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.97 α = 90
b = 72.97 β = 90
c = 186.29 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-02-18
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B 1.1 NSLS X12B

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
3.1 50 69.3 -- -- -- -- 13878 13878 0.0 0.0 --
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)
3.1 3.21 54.7 -- -- -- -- --

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 3.1 44.29 -- 0.0 -- 13878 1351 74.6 0.235 0.235 0.235 0.311 random
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 27.26
Anisotropic B[1][2] 13.437
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 27.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -54.52
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 3.88
c_dihedral_angle_d 23.0
c_angle_d 1.6
c_bond_d 0.026
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.48
Luzzati Sigma A (Observed) 0.71
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3483
Nucleic Acid Atoms 878
Heterogen Atoms 0
Solvent Atoms 33

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMoRE model building
SCALEPACK data reduction
HKL-2000 data collection