X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtheran unrefined 2.7 Angstrom model of E. coli trypsin-modified EF-Tu-MgGDP, consisting of residues 9 to 40, 50 to 258 and 260 to 393, plus one Mg ion and GDP

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROPMultiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Crystal Properties
Matthews coefficientSolvent content
358.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.71α = 90
b = 156.06β = 95.38
c = 134.83γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMSMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU

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
12.747.392.30.09973085

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTan unrefined 2.7 Angstrom model of E. coli trypsin-modified EF-Tu-MgGDP, consisting of residues 9 to 40, 50 to 258 and 260 to 393, plus one Mg ion and GDP2.84064651460191.60.180.223random44.966
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]
6.585-7.172-1.468-5.117
RMS Deviations
KeyRefinement Restraint Deviation
c_mcangle_it4.366
c_mcbond_it2.781
c_angle_deg1.82
c_bond_d0.02
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms16998
Nucleic Acid Atoms
Solvent Atoms244
Heterogen Atoms366

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
MERLOTphasing