1PFY

METHIONYL-TRNA SYNTHETASE FROM ESCHERICHIA COLI COMPLEXED WITH METHIONYL SULPHAMOYL ADENOSINE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1QQT 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7280AMMONIUM CITRATE, POTASSIUM PHOSPHATE, pH 7, VAPOR DIFFUSION, temperature 280K
Crystal Properties
Matthews coefficientSolvent content
2.3347.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.803α = 90
b = 45.193β = 107.31
c = 86.412γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH2002-02-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLURE BEAMLINE DW320.967LUREDW32

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.9347980.0727.52.2419994199915.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.931.9897.70.3172.42.23136

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-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1QQT1.93474199941999210695.10.1880.1880.224random
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]
-0.61-1.3170.3930.218
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.18
c_bond_d0.0056
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4390
Nucleic Acid Atoms
Solvent Atoms459
Heterogen Atoms32

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
CNSrefinement
CCP4data scaling
CNSphasing