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- PDB-1vbm: Crystal structure of the Escherichia coli tyrosyl-tRNA synthetase... -

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Basic information

Entry
Database: PDB / ID: 1vbm
TitleCrystal structure of the Escherichia coli tyrosyl-tRNA synthetase complexed with Tyr-AMS
ComponentsTyrosyl-tRNA synthetase
KeywordsLIGASE / Structural Genomics / RIKEN Structural Genomics/Proteomics Initiative / RSGI
Function / homology
Function and homology information


tRNA aminoacylation / tyrosyl-tRNA aminoacylation / tyrosine-tRNA ligase / tyrosine-tRNA ligase activity / protein homodimerization activity / RNA binding / ATP binding / membrane / cytosol
Similarity search - Function
Tyrosine-tRNA ligase, bacterial-type, type 1 / Tyrosine-tRNA ligase, bacterial-type / Tyrosine-tRNA ligase / Tyrosyl-Transfer RNA Synthetase / Tyrosyl-Transfer RNA Synthetase / Aminoacyl-tRNA synthetase, class Ic / tRNA synthetases class I (W and Y) / Aminoacyl-tRNA synthetase, class I, conserved site / Aminoacyl-transfer RNA synthetases class-I signature. / HUPs ...Tyrosine-tRNA ligase, bacterial-type, type 1 / Tyrosine-tRNA ligase, bacterial-type / Tyrosine-tRNA ligase / Tyrosyl-Transfer RNA Synthetase / Tyrosyl-Transfer RNA Synthetase / Aminoacyl-tRNA synthetase, class Ic / tRNA synthetases class I (W and Y) / Aminoacyl-tRNA synthetase, class I, conserved site / Aminoacyl-transfer RNA synthetases class-I signature. / HUPs / Rossmann-like alpha/beta/alpha sandwich fold / S4 RNA-binding domain / RNA-binding S4 domain / RNA-binding S4 domain superfamily / S4 domain / S4 RNA-binding domain profile. / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
5'-O-[N-(L-TYROSYL)SULFAMOYL]ADENOSINE / Tyrosine--tRNA ligase / Tyrosine--tRNA ligase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsKobayashi, T. / Sakamoto, K. / Takimura, T. / Kamata, K. / Sekine, R. / Nishimura, S. / Yokoyama, S. / RIKEN Structural Genomics/Proteomics Initiative (RSGI)
CitationJournal: J.Mol.Biol. / Year: 2005
Title: Structural snapshots of the KMSKS loop rearrangement for amino acid activation by bacterial tyrosyl-tRNA synthetase.
Authors: Kobayashi, T. / Takimura, T. / Sekine, R. / Kelly, V.P. / Vincent, K. / Kamata, K. / Sakamoto, K. / Nishimura, S. / Yokoyama, S.
History
DepositionFeb 27, 2004Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 25, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 25, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Tyrosyl-tRNA synthetase
B: Tyrosyl-tRNA synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)72,7988
Polymers71,3952
Non-polymers1,4036
Water1,58588
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5660 Å2
ΔGint-76 kcal/mol
Surface area27160 Å2
MethodPISA
Unit cell
Length a, b, c (Å)83.189, 83.189, 182.424
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein Tyrosyl-tRNA synthetase / Tyrosine--tRNA ligase / TyrRS


Mass: 35697.352 Da / Num. of mol.: 2 / Fragment: residues 5-322
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Plasmid: pGEX-6P1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P00951, UniProt: P0AGJ9*PLUS, tyrosine-tRNA ligase
#2: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-YSA / 5'-O-[N-(L-TYROSYL)SULFAMOYL]ADENOSINE / TYROSYLADENYLATE


Mass: 509.493 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C19H23N7O8S
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 88 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.49 Å3/Da / Density % sol: 50.14 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: ammonium sulphate, PEG 400, sodium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 0.9843 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Jan 31, 2004 / Details: mirrors
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9843 Å / Relative weight: 1
ReflectionResolution: 2.5→50 Å / Num. all: 26094 / Num. obs: 23041 / % possible obs: 88.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.2 % / Biso Wilson estimate: 18.3 Å2 / Rmerge(I) obs: 0.061 / Rsym value: 0.061 / Net I/σ(I): 23.4
Reflection shellResolution: 2.5→2.54 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.189 / Mean I/σ(I) obs: 3.6 / Num. unique all: 1023 / Rsym value: 0.189 / % possible all: 81.2

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Processing

Software
NameVersionClassification
CNS1refinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1UDF

1udf
PDB Unreleased entry


Resolution: 2.7→38.54 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 2241811.1 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.284 1844 9.8 %RANDOM
Rwork0.246 ---
obs0.246 18787 90.4 %-
all-23200 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 35.7515 Å2 / ksol: 0.345394 e/Å3
Displacement parametersBiso mean: 51.9 Å2
Baniso -1Baniso -2Baniso -3
1-4.1 Å25.09 Å20 Å2
2--4.1 Å20 Å2
3----8.2 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.46 Å0.38 Å
Luzzati d res low-5 Å
Luzzati sigma a0.5 Å0.41 Å
Refinement stepCycle: LAST / Resolution: 2.7→38.54 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5038 0 90 88 5216
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.003
X-RAY DIFFRACTIONc_angle_deg0.8
X-RAY DIFFRACTIONc_dihedral_angle_d20.3
X-RAY DIFFRACTIONc_improper_angle_d0.59
X-RAY DIFFRACTIONc_mcbond_it3.551.5
X-RAY DIFFRACTIONc_mcangle_it5.482
X-RAY DIFFRACTIONc_scbond_it5.392
X-RAY DIFFRACTIONc_scangle_it7.642.5
LS refinement shellResolution: 2.7→2.87 Å / Rfactor Rfree error: 0.021 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.359 282 9.9 %
Rwork0.308 2562 -
obs--83.6 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2ION.PARAMION.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION4TYRAMS.PARAMTYRAMS.TOP
X-RAY DIFFRACTION5SULFATE.PARAMSULFATE.TOP

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