3CRT

Structural characterization of an engineered allosteric protein


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529820% PEG8000, 50mM tris, 5mM B-mercaptoethanol , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4649.97

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.18α = 90
b = 91.18β = 90
c = 57.53γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray150CCDBruker Platinum 135Helios optics2007-06-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR-H1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.819.594.60.06720.569.853652934548

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDBID: 1GNE1.919.53652934548271294.60.2270.257random
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-0.845-0.8451.69
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.408
c_bond_d0.00724
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1760
Nucleic Acid Atoms
Solvent Atoms158
Heterogen Atoms20

Software

Software
Software NamePurpose
PROTEUM PLUSdata collection
AMoREphasing
CNSrefinement
PROTEUM PLUSdata reduction
PROTEUM PLUSdata scaling