4arb

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Mus musculus Acetylcholinesterase in complex with (S)-C5685 at 2.25 A resolution.Mus musculus Acetylcholinesterase in complex with (S)-C5685 at 2.25 A resolution.

Structural highlights

4arb is a 2 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.25Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

ACES_MOUSE Terminates signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine released into the synaptic cleft.

Publication Abstract from PubMed

Take a closer look: Unexpectedly, a pair of enantiomeric ligands proved to have similar binding affinities for acetylcholinesterase. Further studies indicated that the enantiomers exhibit different thermodynamic profiles. Analyses of the noncovalent interactions in the protein-ligand complexes revealed that these differences are partly due to nonclassical hydrogen bonds between the ligands and aromatic side chains of the protein.

Similar but Different: Thermodynamic and Structural Characterization of a Pair of Enantiomers Binding to Acetylcholinesterase.,Berg L, Niemiec MS, Qian W, Andersson CD, Wittung-Stafshede P, Ekstrom F, Linusson A Angew Chem Int Ed Engl. 2012 Nov 19. doi: 10.1002/anie.201205113. PMID:23161758[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Berg L, Niemiec MS, Qian W, Andersson CD, Wittung-Stafshede P, Ekstrom F, Linusson A. Similar but Different: Thermodynamic and Structural Characterization of a Pair of Enantiomers Binding to Acetylcholinesterase. Angew Chem Int Ed Engl. 2012 Nov 19. doi: 10.1002/anie.201205113. PMID:23161758 doi:http://dx.doi.org/10.1002/anie.201205113

4arb, resolution 2.25Å

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OCA