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- PDB-4xaf: Cycles of destabilization and repair underlie evolutionary transi... -

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Basic information

Entry
Database: PDB / ID: 4xaf
TitleCycles of destabilization and repair underlie evolutionary transitions in enzymes
ComponentsPhosphotriesterase variant PTE-R1
KeywordsHYDROLASE / dynamics / evolution / phosphotriesterase
Function / homology
Function and homology information


hydrolase activity, acting on ester bonds / catabolic process / zinc ion binding
Similarity search - Function
Aryldialkylphosphatase, zinc-binding site / Phosphotriesterase family signature 1. / Phosphotriesterase / Phosphotriesterase family / Phosphotriesterase family profile. / Metal-dependent hydrolases / Metal-dependent hydrolase / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
CACODYLATE ION / Phosphotriesterase variant PTE-R1
Similarity search - Component
Biological speciesBrevundimonas diminuta (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.66 Å
AuthorsJackson, C.J. / Campbell, E. / Kaltenbach, M. / Tokuriki, N.
CitationJournal: Nat.Chem.Biol. / Year: 2016
Title: The role of protein dynamics in the evolution of new enzyme function.
Authors: Campbell, E. / Kaltenbach, M. / Correy, G.J. / Carr, P.D. / Porebski, B.T. / Livingstone, E.K. / Afriat-Jurnou, L. / Buckle, A.M. / Weik, M. / Hollfelder, F. / Tokuriki, N. / Jackson, C.J.
History
DepositionDec 14, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 16, 2015Provider: repository / Type: Initial release
Revision 1.1Sep 7, 2016Group: Database references
Revision 1.2Sep 28, 2016Group: Database references
Revision 1.3Oct 26, 2016Group: Database references
Revision 1.4Sep 27, 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 / diffrn_source / pdbx_initial_refinement_model / pdbx_struct_oper_list / struct_conn / struct_conn_type
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _diffrn_source.pdbx_synchrotron_site / _pdbx_struct_oper_list.symmetry_operation / _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
Revision 1.5Nov 15, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond / Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Phosphotriesterase variant PTE-R1
G: Phosphotriesterase variant PTE-R1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)72,92210
Polymers72,1502
Non-polymers7728
Water5,999333
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3710 Å2
ΔGint-156 kcal/mol
Surface area22590 Å2
MethodPISA
Unit cell
Length a, b, c (Å)85.687, 85.733, 88.380
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein Phosphotriesterase variant PTE-R1


Mass: 36075.180 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Brevundimonas diminuta (bacteria) / Production host: Escherichia coli (E. coli) / References: UniProt: A0A060GZX0
#2: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-CAC / CACODYLATE ION / dimethylarsinate


Mass: 136.989 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H6AsO2
#4: Chemical ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 333 / 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: 2.26 Å3/Da / Density % sol: 45.66 %
Crystal growTemperature: 277.15 K / Method: vapor diffusion, hanging drop / Details: 100 mM Na-Cacodylate, 30% 2-methyl-2,4-pentanediol / PH range: 6-7

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.9537 Å
DetectorType: ADSC QUANTUM 210r / Detector: CCD / Date: Apr 18, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9537 Å / Relative weight: 1
ReflectionResolution: 1.66→35.71 Å / Num. obs: 77440 / % possible obs: 99.91 % / Redundancy: 7.3 % / Rmerge(I) obs: 0.07831 / Net I/σ(I): 17.63

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Processing

Software
NameVersionClassification
PHENIX(phenix.refine: 1.9_1692)refinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4GY0
Resolution: 1.66→35.706 Å / SU ML: 0.19 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 23.35 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2196 3995 5.16 %
Rwork0.1794 --
obs0.1815 77419 99.9 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.66→35.706 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5030 0 30 333 5393
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0165548
X-RAY DIFFRACTIONf_angle_d1.6527581
X-RAY DIFFRACTIONf_dihedral_angle_d14.8692077
X-RAY DIFFRACTIONf_chiral_restr0.079879
X-RAY DIFFRACTIONf_plane_restr0.009994
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.66-1.67950.30921140.26042526X-RAY DIFFRACTION100
1.6795-1.70.28261090.24922508X-RAY DIFFRACTION100
1.7-1.72150.31971250.24882531X-RAY DIFFRACTION100
1.7215-1.74420.27241440.24522497X-RAY DIFFRACTION100
1.7442-1.76810.29511190.2332498X-RAY DIFFRACTION100
1.7681-1.79330.29341270.23272505X-RAY DIFFRACTION100
1.7933-1.82010.26121170.22632542X-RAY DIFFRACTION100
1.8201-1.84850.24121430.21652497X-RAY DIFFRACTION100
1.8485-1.87880.32121530.21772497X-RAY DIFFRACTION100
1.8788-1.91120.25911450.21822488X-RAY DIFFRACTION100
1.9112-1.9460.24511640.23192504X-RAY DIFFRACTION100
1.946-1.98340.2541460.22142488X-RAY DIFFRACTION100
1.9834-2.02390.26461190.2052541X-RAY DIFFRACTION100
2.0239-2.06790.27791310.2052496X-RAY DIFFRACTION100
2.0679-2.1160.22791530.20552500X-RAY DIFFRACTION100
2.116-2.16890.25251840.19572473X-RAY DIFFRACTION100
2.1689-2.22760.23571210.18832544X-RAY DIFFRACTION100
2.2276-2.29310.25411390.19062506X-RAY DIFFRACTION100
2.2931-2.36710.24371370.18782565X-RAY DIFFRACTION100
2.3671-2.45170.22611120.17932543X-RAY DIFFRACTION100
2.4517-2.54980.22041600.18092499X-RAY DIFFRACTION100
2.5498-2.66580.22631550.1772523X-RAY DIFFRACTION100
2.6658-2.80630.19831530.16922528X-RAY DIFFRACTION100
2.8063-2.98210.22561190.16932545X-RAY DIFFRACTION100
2.9821-3.21220.19871910.16832525X-RAY DIFFRACTION100
3.2122-3.53520.1981290.16322583X-RAY DIFFRACTION100
3.5352-4.04610.1741050.14382628X-RAY DIFFRACTION100
4.0461-5.09530.16641570.13752591X-RAY DIFFRACTION100
5.0953-35.71460.17941240.16152753X-RAY DIFFRACTION100

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