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- PDB-1dpm: THREE-DIMENSIONAL STRUCTURE OF THE ZINC-CONTAINING PHOSPHOTRIESTE... -

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Basic information

Entry
Database: PDB / ID: 1dpm
TitleTHREE-DIMENSIONAL STRUCTURE OF THE ZINC-CONTAINING PHOSPHOTRIESTERASE WITH BOUND SUBSTRATE ANALOG DIETHYL 4-METHYLBENZYLPHOSPHONATE
ComponentsPHOSPHOTRIESTERASEAryldialkylphosphatase
KeywordsHYDROLASE / MEMBRANE / PLASMID / ZINC
Function / homology
Function and homology information


aryldialkylphosphatase / aryldialkylphosphatase activity / catabolic process / zinc ion binding / plasma membrane
Similarity search - Function
Aryldialkylphosphatase, zinc-binding site / Phosphotriesterase family signature 1. / Phosphotriesterase / Phosphotriesterase family / Phosphotriesterase family profile. / Metal-dependent hydrolases / Metal-dependent hydrolase / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / TIM Barrel ...Aryldialkylphosphatase, zinc-binding site / Phosphotriesterase family signature 1. / Phosphotriesterase / Phosphotriesterase family / Phosphotriesterase family profile. / Metal-dependent hydrolases / Metal-dependent hydrolase / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
DIETHYL 4-METHYLBENZYLPHOSPHONATE / FORMIC ACID / Parathion hydrolase
Similarity search - Component
Biological speciesBrevundimonas diminuta (bacteria)
MethodX-RAY DIFFRACTION / Resolution: 2.1 Å
AuthorsVanhooke, J.L. / Benning, M.M. / Raushel, F.M. / Holden, H.M.
CitationJournal: Biochemistry / Year: 1996
Title: Three-dimensional structure of the zinc-containing phosphotriesterase with the bound substrate analog diethyl 4-methylbenzylphosphonate.
Authors: Vanhooke, J.L. / Benning, M.M. / Raushel, F.M. / Holden, H.M.
History
DepositionFeb 13, 1996-
Revision 1.0Aug 20, 1997Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: PHOSPHOTRIESTERASE
B: PHOSPHOTRIESTERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)72,75212
Polymers71,4302
Non-polymers1,32310
Water4,738263
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5670 Å2
ΔGint-151 kcal/mol
Surface area23310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)129.600, 91.400, 69.400
Angle α, β, γ (deg.)90.00, 91.90, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein PHOSPHOTRIESTERASE / Aryldialkylphosphatase


Mass: 35714.793 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Brevundimonas diminuta (bacteria) / References: UniProt: P0A434
#2: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#3: Chemical
ChemComp-EBP / DIETHYL 4-METHYLBENZYLPHOSPHONATE


Mass: 242.251 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C12H19O3P
#4: Chemical ChemComp-FMT / FORMIC ACID / Formic acid


Mass: 46.025 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CH2O2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 263 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.87 Å3/Da / Density % sol: 57.21 %
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 7.5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
15.5 mg/mlprotein1drop
220 mMHEPES1drop
313 %PEG80001reservoir
4100 mMCHES1reservoir
55 mM1reservoirNaN3
61 %diethyl 4-methylbenzylphosphonate1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionNum. obs: 41252
Reflection
*PLUS
Highest resolution: 2.1 Å / Lowest resolution: 50 Å / Num. obs: 41365 / % possible obs: 88 % / Rmerge(I) obs: 0.061
Reflection shell
*PLUS
Highest resolution: 2.1 Å / Lowest resolution: 2.2 Å / % possible obs: 70 % / Num. unique obs: 4130 / Rmerge(I) obs: 0.247

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Processing

SoftwareName: TNT / Classification: refinement
RefinementResolution: 2.1→20 Å /
RfactorNum. reflection
Rwork0.154 -
obs-41252
Refinement stepCycle: LAST / Resolution: 2.1→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5024 0 74 263 5361
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.016
X-RAY DIFFRACTIONt_angle_deg2.3
X-RAY DIFFRACTIONt_dihedral_angle_d16.5
X-RAY DIFFRACTIONt_incorr_chiral_ct
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes0.007
X-RAY DIFFRACTIONt_gen_planes0.011
X-RAY DIFFRACTIONt_it
X-RAY DIFFRACTIONt_nbd
Refinement
*PLUS
Rfactor obs: 0.154
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d
X-RAY DIFFRACTIONt_dihedral_angle_deg16.5
X-RAY DIFFRACTIONt_plane_restr0.011

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