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- PDB-2amc: Crystal structure of Phenylalanyl-tRNA synthetase complexed with ... -

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Basic information

Entry
Database: PDB / ID: 2amc
TitleCrystal structure of Phenylalanyl-tRNA synthetase complexed with L-tyrosine
Components(Phenylalanyl-tRNA synthetase ...) x 2
KeywordsLIGASE / protein-amino acid complex
Function / homology
Function and homology information


phenylalanine-tRNA ligase / phenylalanine-tRNA ligase activity / phenylalanyl-tRNA aminoacylation / tRNA binding / magnesium ion binding / ATP binding / cytoplasm
Similarity search - Function
Phenylalanyl-tRNA Synthetase; Chain B, domain 1 - #10 / Phenylalanyl-tRNA Synthetase; Chain B, domain 3 / Phenylalanyl-trna Synthetase, Chain B, domain 3 / Ferrodoxin-fold anticodon-binding domain / Phenylalanine-tRNA ligase, class II, N-terminal / Phenylalanine-tRNA ligase alpha chain 1, bacterial / Aminoacyl tRNA synthetase class II, N-terminal domain / Phenylalanine-tRNA ligase, class IIc, beta subunit, bacterial type / Phenylalanyl-tRNA synthetase, class IIc, alpha subunit / Phenylalanly tRNA synthetase, tRNA-binding-domain ...Phenylalanyl-tRNA Synthetase; Chain B, domain 1 - #10 / Phenylalanyl-tRNA Synthetase; Chain B, domain 3 / Phenylalanyl-trna Synthetase, Chain B, domain 3 / Ferrodoxin-fold anticodon-binding domain / Phenylalanine-tRNA ligase, class II, N-terminal / Phenylalanine-tRNA ligase alpha chain 1, bacterial / Aminoacyl tRNA synthetase class II, N-terminal domain / Phenylalanine-tRNA ligase, class IIc, beta subunit, bacterial type / Phenylalanyl-tRNA synthetase, class IIc, alpha subunit / Phenylalanly tRNA synthetase, tRNA-binding-domain / tRNA synthetase, B5-domain / Phenylalanine-tRNA ligase, class IIc, beta subunit / tRNA synthetase B5 domain / B5 domain profile. / tRNA synthetase B5 domain / B3/4 domain / Ferrodoxin-fold anticodon-binding domain / Ferrodoxin-fold anticodon-binding domain superfamily / Ferredoxin-fold anticodon binding domain / Ferredoxin-fold anticodon binding (FDX-ACB) domain profile. / Ferredoxin-fold anticodon binding domain / B3/B4 tRNA-binding domain / Phenylalanyl-tRNA synthetase-like, B3/B4 / Phenylalanyl tRNA synthetase beta chain, core domain / Phenylalanyl tRNA synthetase beta chain CLM domain / B3/4 domain / Phenylalanyl-tRNA Synthetase; Chain B, domain 1 / Class I and II aminoacyl-tRNA synthetase, tRNA-binding arm / Phenylalanyl-tRNA synthetase / tRNA synthetases class II core domain (F) / tRNA-binding domain / Putative tRNA binding domain / tRNA-binding domain profile. / Putative DNA-binding domain superfamily / Bira Bifunctional Protein; Domain 2 / BirA Bifunctional Protein; domain 2 / 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) / Nucleic acid-binding proteins / 3-Layer(bba) Sandwich / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / Alpha-Beta Plaits / Nucleic acid-binding, OB-fold / Beta Barrel / 2-Layer Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
TYROSINE / Phenylalanine--tRNA ligase alpha subunit / Phenylalanine--tRNA ligase beta subunit / Phenylalanine--tRNA ligase beta subunit
Similarity search - Component
Biological speciesThermus thermophilus (bacteria)
MethodX-RAY DIFFRACTION / FOURIER SYNTHESIS / Resolution: 2.7 Å
AuthorsKotik-Kogan, O. / Moor, N. / Tworowski, D. / Safro, M.
CitationJournal: Structure / Year: 2005
Title: Structural Basis for Discrimination of L-Phenylalanine from L-Tyrosine by Phenylalanyl-tRNA Synthetase
Authors: Kotik-Kogan, O. / Moor, N. / Tworowski, D. / Safro, M.
History
DepositionAug 9, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 20, 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 1.3Oct 11, 2017Group: Refinement description / Category: software
Revision 1.4Aug 23, 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_conn / struct_conn_type / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn_type.id / _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: Phenylalanyl-tRNA synthetase alpha chain
B: Phenylalanyl-tRNA synthetase beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)117,1596
Polymers116,6762
Non-polymers4834
Water4,179232
1
A: Phenylalanyl-tRNA synthetase alpha chain
B: Phenylalanyl-tRNA synthetase beta chain
hetero molecules

A: Phenylalanyl-tRNA synthetase alpha chain
B: Phenylalanyl-tRNA synthetase beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)234,31812
Polymers233,3524
Non-polymers9658
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_555y,x,-z1
Buried area27140 Å2
ΔGint-154 kcal/mol
Surface area78240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)173.200, 173.200, 138.230
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221
DetailsThe second part of the biological assembly is generated by the two fold axis: y, x -z

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Components

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Phenylalanyl-tRNA synthetase ... , 2 types, 2 molecules AB

#1: Protein Phenylalanyl-tRNA synthetase alpha chain / Phenylalanine-tRNA ligase / PheRS


Mass: 29955.379 Da / Num. of mol.: 1 / Fragment: residues 85-350 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus (bacteria) / Strain: HB8 / References: UniProt: P27001, phenylalanine-tRNA ligase
#2: Protein Phenylalanyl-tRNA synthetase beta chain / Phenylalanine-tRNA ligase / PheRS


Mass: 86720.656 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Thermus thermophilus (bacteria) / Strain: HB8
References: UniProt: P27002, UniProt: Q5SGX1*PLUS, phenylalanine-tRNA ligase

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Non-polymers , 4 types, 236 molecules

#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-TYR / TYROSINE / Tyrosine


Type: L-peptide linking / Mass: 181.189 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H11NO3
#5: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 232 / 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: 5.16 Å3/Da / Density % sol: 75.98 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.2
Details: 20 mM Imidazole-HCl, pH 7.2, 27% (NH4)2SO4, 1mM MgCl2, 1mM NaN3, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.54 Å
DetectorType: RIGAKU / Detector: IMAGE PLATE / Date: Nov 12, 2004
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 2.7→25.41 Å / Num. all: 64797 / Num. obs: 64797 / % possible obs: 98.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.7→2.87 Å / % possible all: 88.3

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
CNS1.1refinement
PDB_EXTRACT1.7data extraction
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ENTRY 1PYS

1pys


Resolution: 2.7→25.41 Å / Rfactor Rfree error: 0.005 / Occupancy max: 1 / Occupancy min: 1 / σ(F): 2.2 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.255 3215 5 %random
Rwork0.229 ---
all0.263 65812 --
obs0.265 63833 97 %-
Solvent computationSolvent model: CNS bulk solvent model used / Bsol: 41.8762 Å2 / ksol: 0.351773 e/Å3
Displacement parametersBiso max: 84.28 Å2 / Biso mean: 46.43 Å2 / Biso min: 5.25 Å2
Baniso -1Baniso -2Baniso -3
1-2.14 Å29.81 Å20 Å2
2--2.14 Å20 Å2
3----4.29 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.4 Å0.34 Å
Luzzati d res low-5 Å
Luzzati sigma a0.46 Å0.4 Å
Luzzati d res high-2.7
Refinement stepCycle: LAST / Resolution: 2.7→25.41 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8250 0 32 232 8514
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_dihedral_angle_d24.2
X-RAY DIFFRACTIONc_improper_angle_d1.08
LS refinement shell

Refine-ID: X-RAY DIFFRACTION

Resolution (Å)Rfactor RfreeNum. reflection Rfree% reflection Rfree (%)Rfactor RworkNum. reflection RworkRfactor Rfree errorNum. reflection allNum. reflection obs% reflection obs (%)
2.7-2.820.3524025.10.32674430.0188118784596.6
2.82-2.970.3363804.80.29475970.0178190797797.4
2.97-3.160.2964145.20.26375430.0158165795797.4
3.16-3.40.293954.90.26276160.0158208801197.6
3.4-3.740.2664275.40.23975470.0138193797497.3
3.74-4.280.2263864.80.20376180.0118226800497.3
4.28-5.380.2184255.30.18775860.0118279801196.8
5.38-25.410.2233864.80.20676680.0118493805494.8
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1Protein_rep.paramProtein.top
X-RAY DIFFRACTION2Carbohydrate.paramCarbohydrate.top
X-RAY DIFFRACTION3Water.paramWater.top
X-RAY DIFFRACTION4Ion.paramIon.top

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