9SH8 | pdb_00009sh8

Thermus thermophilus asparaginyl-tRNA synthetase with bound sulphamoyl-analogue of asparaginyl-adenylate (AsnAMS)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherNative asparaginyl-tRNA synthetase structures

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP288Native crystals grown with protein 5 mg ml- l, 12-15 % PEG 6000, 0.3M KCI at pH 8.4. Soaked for 15 h in mother liquor containing 100 mM AsnAMS.
Crystal Properties
Matthews coefficientSolvent content
2.8156.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 125.183α = 90
b = 125.183β = 90
c = 126.591γ = 120
Symmetry
Space GroupP 64 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 300 mm plate1997-04-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.890ESRFBM14

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
12.6214.8494.50.0529.547.116965
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.622.690.257

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.6214.8416962171793.3520.2150.2090.2090.27260.272657.357
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]
-1.168-0.584-1.1683.79
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg12.893
r_dihedral_angle_6_deg10.604
r_lrange_it6.843
r_dihedral_angle_1_deg5.941
r_scangle_it4.006
r_dihedral_angle_2_deg3.576
r_mcangle_it3.553
r_scbond_it2.358
r_mcbond_it2.09
r_angle_refined_deg1.061
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg12.893
r_dihedral_angle_6_deg10.604
r_lrange_it6.843
r_dihedral_angle_1_deg5.941
r_scangle_it4.006
r_dihedral_angle_2_deg3.576
r_mcangle_it3.553
r_scbond_it2.358
r_mcbond_it2.09
r_angle_refined_deg1.061
r_nbtor_refined0.301
r_nbd_refined0.185
r_symmetry_nbd_refined0.116
r_xyhbond_nbd_refined0.11
r_chiral_restr0.084
r_symmetry_xyhbond_nbd_refined0.056
r_gen_planes_refined0.003
r_bond_refined_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3593
Nucleic Acid Atoms
Solvent Atoms42
Heterogen Atoms32

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing