X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 277.0
Details PEG400, HEPES, NaBr, CaCl2, acetonitrile, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 137.33 α = 90
b = 137.33 β = 90
c = 197.8 γ = 120
Symmetry
Space Group P 63 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2001-01-31
Diffraction Radiation
Monochromator Protocol
Graphite Double Crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97925 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
2.5 50 98.4 0.082 -- -- -- 421780 415031 0.0 0.0 67.0
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)
2.5 2.54 93.0 0.699 -- 1.3 -- --

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 2.7 30.0 -- 0.0 30300 30300 1155 -- 0.318 0.318 0.319 0.303 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model individual isotropic
Mean Isotropic B 67.0
Anisotropic B[1][1] -37.037
Anisotropic B[1][2] -30.296
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -37.037
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 74.075
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_d 1.62
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 1.07
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3073
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
HKL-2000 data collection
TRUNCATE data reduction
MLPHARE phasing
CNS refinement
HKL-2000 data reduction
CCP4 data scaling version: (TRUNCATE)