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- PDB-1wq4: Escherichia coli tyrosyl-tRNA synthetase mutant complexed with L-... -

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Basic information

Entry
Database: PDB / ID: 1wq4
TitleEscherichia coli tyrosyl-tRNA synthetase mutant complexed with L-tyrosine
ComponentsTyrosyl-tRNA synthetase
KeywordsLIGASE / AMINOACYL-TRNA SYNTHETASE / RIKEN Structural Genomics/Proteomics Initiative / RSGI / Structural Genomics
Function / homology
Function and homology information


tRNA aminoacylation / tyrosyl-tRNA aminoacylation / tyrosine-tRNA ligase activity / tyrosine-tRNA ligase / RNA binding / membrane / ATP binding / 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 profile. / S4 RNA-binding domain / S4 domain / RNA-binding S4 domain / RNA-binding S4 domain superfamily / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
TYROSINE / Tyrosine--tRNA ligase / Tyrosine--tRNA ligase
Similarity search - Component
Biological speciesEscherichia coli str. K12 substr. (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsKobayashi, T. / Sakamoto, K. / Nureki, O. / Takimura, T. / Kamata, K. / Sekine, R. / Nishimura, S. / Yokoyama, S. / RIKEN Structural Genomics/Proteomics Initiative (RSGI)
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2005
Title: Structural basis of nonnatural amino acid recognition by an engineered aminoacyl-tRNA synthetase for genetic code expansion
Authors: Kobayashi, T. / Sakamoto, K. / Takimura, T. / Sekine, R. / Vincent, K. / Kamata, K. / Nishimura, S. / Yokoyama, S.
History
DepositionSep 20, 2004Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 25, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Source and taxonomy / Version format compliance
Revision 1.3Nov 10, 2021Group: Database references / Derived calculations / Category: database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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

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Assembly

Deposited unit
A: Tyrosyl-tRNA synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)36,0352
Polymers35,8541
Non-polymers1811
Water5,152286
1
A: Tyrosyl-tRNA synthetase
hetero molecules

A: Tyrosyl-tRNA synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)72,0694
Polymers71,7072
Non-polymers3622
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation5_555x-y,-y,-z+2/31
Buried area3050 Å2
ΔGint-22 kcal/mol
Surface area27590 Å2
MethodPISA
2


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)82.913, 82.913, 92.987
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
DetailsThe second part of the biological assembly is generated by the two fold axis: X-Y,-Y,2/3-Z

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Components

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


Mass: 35853.551 Da / Num. of mol.: 1 / Fragment: RESIDUES 2-322 / Mutation: Y37V, Q195C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli str. K12 substr. (bacteria)
Species: Escherichia coli / Strain: W3110 / Gene: tyrS / 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-TYR / TYROSINE / Tyrosine


Type: L-peptide linking / Mass: 181.189 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H11NO3
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 286 / 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: 2.33 Å3/Da / Density % sol: 46.8 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: ammonium sulfate, PEG 400, sodium chloride, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 0.9704
DetectorType: MARRESEARCH / Detector: CCD / Date: Feb 1, 2003 / Details: MIRRORS
RadiationMonochromator: SI 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9704 Å / Relative weight: 1
ReflectionResolution: 2→50 Å / Num. obs: 25225 / % possible obs: 98.5 % / Observed criterion σ(I): 0 / Redundancy: 8.1 % / Biso Wilson estimate: 18.3 Å2 / Rmerge(I) obs: 0.059 / Rsym value: 0.059 / Net I/σ(I): 30.2
Reflection shellResolution: 2→2.03 Å / Redundancy: 5.4 % / Rmerge(I) obs: 0.249 / Mean I/σ(I) obs: 4.2 / Rsym value: 0.249 / % possible all: 98.3

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Processing

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

1udf
PDB Unreleased entry


Resolution: 2→41.46 Å / Rfactor Rfree error: 0.005 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.224 2467 9.9 %RANDOM
Rwork0.187 ---
obs0.187 24867 97.5 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 55.65 Å2 / ksol: 0.37 e/Å3
Displacement parametersBiso mean: 35.6 Å2
Baniso -1Baniso -2Baniso -3
1-2.57 Å21.86 Å20 Å2
2--2.57 Å20 Å2
3----5.15 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.25 Å0.2 Å
Luzzati d res low-5 Å
Luzzati sigma a0.21 Å0.16 Å
Refinement stepCycle: LAST / Resolution: 2→41.46 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2528 0 13 286 2827
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d22.1
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.83
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it2.241.5
X-RAY DIFFRACTIONc_mcangle_it3.262
X-RAY DIFFRACTIONc_scbond_it3.392
X-RAY DIFFRACTIONc_scangle_it4.812.5
LS refinement shellResolution: 2→2.13 Å / Rfactor Rfree error: 0.014 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.279 390 9.6 %
Rwork0.229 3678 -
obs--96.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP

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