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- PDB-4rrr: K121M mutant of N-terminal editing domain of threonyl-tRNA synthe... -

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Basic information

Entry
Database: PDB / ID: 4rrr
TitleK121M mutant of N-terminal editing domain of threonyl-tRNA synthetase from Pyrococcus abyssi with L-Thr3AA
ComponentsThreonine--tRNA ligase
KeywordsLIGASE / DTD-like fold / Proofreading
Function / homology
Function and homology information


threonine-tRNA ligase / threonyl-tRNA aminoacylation / threonine-tRNA ligase activity / tRNA binding / zinc ion binding / ATP binding / cytoplasm
Similarity search - Function
Threonyl-tRNA synthetase, editing domain, archaea / Archaea-specific editing domain of threonyl-tRNA synthetase / D-tyrosyl-tRNA(Tyr) deacylase / D-aminoacyl-tRNA deacylase-like superfamily / Threonine-tRNA ligase, class IIa / Threonine-tRNA ligase catalytic core domain / : / D-tyrosyl-trna(Tyr) Deacylase; Chain: A; / Aminoacyl-tRNA synthetase, class II (G/ P/ S/T) / tRNA synthetase class II core domain (G, H, P, S and T) ...Threonyl-tRNA synthetase, editing domain, archaea / Archaea-specific editing domain of threonyl-tRNA synthetase / D-tyrosyl-tRNA(Tyr) deacylase / D-aminoacyl-tRNA deacylase-like superfamily / Threonine-tRNA ligase, class IIa / Threonine-tRNA ligase catalytic core domain / : / D-tyrosyl-trna(Tyr) Deacylase; Chain: A; / Aminoacyl-tRNA synthetase, class II (G/ P/ S/T) / tRNA synthetase class II core domain (G, H, P, S and T) / Anticodon-binding / Anticodon binding domain / Anticodon-binding domain superfamily / Aminoacyl-tRNA synthetase, class II / Aminoacyl-transfer RNA synthetases class-II family profile. / Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) / 3-Layer(bba) Sandwich / Alpha Beta
Similarity search - Domain/homology
3'-deoxy-3'-(L-threonylamino)adenosine / Threonine--tRNA ligase
Similarity search - Component
Biological speciesPyrococcus abyssi GE5 (archaea)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.86 Å
AuthorsHussain, T. / Kamarthapu, V. / Sankaranarayanan, R.
CitationJournal: Nat Commun / Year: 2015
Title: Specificity and catalysis hardwired at the RNA-protein interface in a translational proofreading enzyme.
Authors: Ahmad, S. / Muthukumar, S. / Kuncha, S.K. / Routh, S.B. / Yerabham, A.S. / Hussain, T. / Kamarthapu, V. / Kruparani, S.P. / Sankaranarayanan, R.
History
DepositionNov 6, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 15, 2015Provider: repository / Type: Initial release
Revision 1.1Nov 22, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.name / _software.version
Revision 1.2Feb 28, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / 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

Downloads & links

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Assembly

Deposited unit
A: Threonine--tRNA ligase
B: Threonine--tRNA ligase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,2154
Polymers33,4812
Non-polymers7352
Water3,765209
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2040 Å2
ΔGint-8 kcal/mol
Surface area13300 Å2
MethodPISA
Unit cell
Length a, b, c (Å)38.586, 66.312, 93.688
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Threonine--tRNA ligase / Threonyl-tRNA synthetase / ThrRS


Mass: 16740.328 Da / Num. of mol.: 2 / Fragment: UNP residues 1-147 / Mutation: K121M
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pyrococcus abyssi GE5 (archaea) / Strain: GE5 / Orsay / Gene: thrS, PYRAB13430, PAB1490 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9UZ14, threonine-tRNA ligase
#2: Chemical ChemComp-A3T / 3'-deoxy-3'-(L-threonylamino)adenosine


Mass: 367.360 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C14H21N7O5
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 209 / 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: 1.84 Å3/Da / Density % sol: 33.16 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: BisTris, NaCl, PEG3350, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Aug 22, 2009
RadiationMonochromator: Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.86→25 Å / Num. all: 20823 / Num. obs: 20636 / % possible obs: 99.1 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2

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Processing

Software
NameVersionClassification
AUTOMARdata collection
MOLREPphasing
PHASERphasing
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.86→25 Å
RfactorNum. reflectionSelection details
Rfree0.23 1044 RANDOM
Rwork0.2 --
obs-20636 -
Refinement stepCycle: LAST / Resolution: 1.86→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2265 0 52 209 2526

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