Primary Citation PubMed: 10521413
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The association of tetrameric acetylcholinesterase with ColQ tail: a block normal mode analysis.
(2005) PLoS Comput Biol 1
PubMed: 16299589 | PubMedCentral: PMC1285061 | DOI: 10.1371/journal.pcbi.0010062
Supporting Information Accession Numbers The accession numbers for the proteins described in this paper can be found in the SwissProt database ( http://www.ebi.ac.uk/swissprot ): AChE (P21836), ColQ (... 35348), and PRiMA (Q810F0); and in the Protein Data Bank ( http://www.rcsb.org/pdb/ ): PRAD/WAT complex (1VZJ), compact AChE tetramer structure (1C2O), loose AChE tetramer structure (1C2B), [WAT] 4 PRAD complex (1VZJ), mouse AChE (1MAH), and acetylcholine receptor structure (1OED).
This is consistent with the fact that these sequences in the two crystal structures (1C2O and 1C2B) of the AChE tetramer were disordered.
Publication Year: 2005
Dynamics of the acetylcholinesterase tetramer.
(2008) Biophys J 94
PubMed: 17921202 | PubMedCentral: PMC2212707 | DOI: 10.1529/biophysj.107.117879
The two low-resolution eAChE tetrameric structures, resolved to 4.5 and 4.2 Å, significantly differ in the arrangement of the catalytic domains: one is compact square nonplanar (Protein Data B... nk (pdb) code 1C2O), whereas the other is loose, pseudosquare planar (pdb code 1C2B).
For example, in the crystal structure 1C2O, two of the four active sites are in the open and two are in the occluded state (occlusion numbers are both 9) whereas in 1C2B, all four active sites are open (occlusion numbers are 0).
It is worth noting that most conformations generated by the simulations are not very close to structures 1C2O or 1C2B.
In contrast, the loose eAChE tetramer (1C2B), despite its resemblance to the mAChE tetramer in terms of the pseudosquare planar arrangement of the subunits, has all four active centers fully accessible to solvent.
Publication Year: 2008
Multipotent cholinesterase/monoamine oxidase inhibitors for the treatment of Alzheimer's disease: design, synthesis, biochemical evaluation, ADMET, molecular modeling, and QSAR analysis of novel donepezil-pyridyl hybrids.
(2014) Drug Des Devel Ther 8
PubMed: 25378907 | PubMedCentral: PMC4207550 | DOI: 10.2147/DDDT.S69258
Docking simulations of EeAChE (Protein Data Bank [PDB]: 1C2B) and compound DPH14 were performed using Autodock Vina program (Molecular Graphics Laboratory, Scripps Research Institute, La Jolla, CA, US... ).
Publication Year: 2014
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