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- PDB-7aiu: Crystal structure of Torpedo Californica acetylcholinesterase in ... -

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Basic information

Entry
Database: PDB / ID: 7aiu
TitleCrystal structure of Torpedo Californica acetylcholinesterase in complex with 8-[(3-Chloro-6,7,10,11-tetrahydro-9-methyl-7,11-methanocycloocta[b]quinolin-12-yl)amino]-N-(4-hydroxy-3-methoxybenzyl)octanamide
ComponentsAcetylcholinesterase
KeywordsHYDROLASE / Torpedo Californica acetylcholinesterase / AD / alzheimer disease
Function / homology
Function and homology information


acetylcholine catabolic process in synaptic cleft / choline metabolic process / acetylcholinesterase / acetylcholinesterase activity / synaptic cleft / side of membrane / synapse / extracellular space / plasma membrane
Similarity search - Function
Acetylcholinesterase, fish/snake / : / Cholinesterase / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold
Similarity search - Domain/homology
Chem-8UQ / DI(HYDROXYETHYL)ETHER / Acetylcholinesterase
Similarity search - Component
Biological speciesTetronarce californica (Pacific electric ray)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.996 Å
AuthorsCoquelle, N. / Colletier, J.P.
CitationJournal: J.Med.Chem. / Year: 2021
Title: Discovery of a Potent Dual Inhibitor of Acetylcholinesterase and Butyrylcholinesterase with Antioxidant Activity that Alleviates Alzheimer-like Pathology in Old APP/PS1 Mice.
Authors: Viayna, E. / Coquelle, N. / Cieslikiewicz-Bouet, M. / Cisternas, P. / Oliva, C.A. / Sanchez-Lopez, E. / Ettcheto, M. / Bartolini, M. / De Simone, A. / Ricchini, M. / Rendina, M. / Pons, M. / ...Authors: Viayna, E. / Coquelle, N. / Cieslikiewicz-Bouet, M. / Cisternas, P. / Oliva, C.A. / Sanchez-Lopez, E. / Ettcheto, M. / Bartolini, M. / De Simone, A. / Ricchini, M. / Rendina, M. / Pons, M. / Firuzi, O. / Perez, B. / Saso, L. / Andrisano, V. / Nachon, F. / Brazzolotto, X. / Garcia, M.L. / Camins, A. / Silman, I. / Jean, L. / Inestrosa, N.C. / Colletier, J.P. / Renard, P.Y. / Munoz-Torrero, D.
History
DepositionSep 28, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 6, 2021Provider: repository / Type: Initial release
Revision 1.1May 4, 2022Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Jan 31, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.3Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Acetylcholinesterase
B: Acetylcholinesterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)135,23721
Polymers131,9412
Non-polymers3,29619
Water10,539585
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4980 Å2
ΔGint-2 kcal/mol
Surface area39810 Å2
MethodPISA
Unit cell
Length a, b, c (Å)91.900, 105.670, 150.720
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Protein / Sugars , 2 types, 7 molecules AB

#1: Protein Acetylcholinesterase / AChE


Mass: 65970.711 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Source: (natural) Tetronarce californica (Pacific electric ray)
References: UniProt: P04058, acetylcholinesterase
#3: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 599 molecules

#2: Chemical
ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: C4H10O3
#4: Chemical ChemComp-8UQ / 8-[(3-Chloro-6,7,10,11-tetrahydro-9-methyl-7,11-methanocycloocta[b]quinolin-12-yl)amino]-N-(4-hydroxy-3-methoxybenzyl)octanamide


Mass: 564.158 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C33H42ClN3O3 / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 585 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationY

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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: 2.77 Å3/Da / Density % sol: 55.65 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / Details: 28-32% PEG 200 50 mM MES / PH range: 5.8-6.2

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Nov 18, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.996→45.805 Å / Num. obs: 99278 / % possible obs: 99.1 % / Redundancy: 4.4 % / Biso Wilson estimate: 37.1 Å2 / CC1/2: 0.997 / Rmerge(I) obs: 0.094 / Net I/σ(I): 8.9
Reflection shellResolution: 1.996→2.05 Å / Redundancy: 4.3 % / Rmerge(I) obs: 0.727 / Mean I/σ(I) obs: 1.8 / Num. unique obs: 6971 / CC1/2: 0.817 / % possible all: 95.4

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Processing

Software
NameVersionClassification
PHENIX1.11.1_2575refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2xi4

2xi4


Resolution: 1.996→45.805 Å / SU ML: 0.26 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 29.78 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2456 1998 2.02 %
Rwork0.2014 97061 -
obs0.2023 99059 98.95 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 120.06 Å2 / Biso mean: 36.6537 Å2 / Biso min: 19.09 Å2
Refinement stepCycle: final / Resolution: 1.996→45.805 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8482 0 256 585 9323
Biso mean--57.92 40.72 -
Num. residues----1064
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0089090
X-RAY DIFFRACTIONf_angle_d1.08112344
X-RAY DIFFRACTIONf_chiral_restr0.2351284
X-RAY DIFFRACTIONf_plane_restr0.0061590
X-RAY DIFFRACTIONf_dihedral_angle_d5.5427368
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
1.9965-2.04640.3821340.3306656395
2.0464-2.10180.3461420.3064688899
2.1018-2.16360.33421420.2748690799
2.1636-2.23340.31711420.2555687699
2.2334-2.31330.25661430.2262690099
2.3133-2.40590.27531420.2122690099
2.4059-2.51540.2781410.211688999
2.5154-2.6480.26381430.20886966100
2.648-2.81380.26931440.21236949100
2.8138-3.03110.25821430.2076696899
3.0311-3.3360.25831430.2091695099
3.336-3.81850.23191440.1838700199
3.8185-4.81010.18261450.1546700698
4.8101-45.8050.20751500.179729899

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