Structure of PDB 4a23 Chain A Binding Site BS01

Receptor Information
>4a23 Chain A (length=535) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EGREDPQLLVRVRGGQLRGIRLKAPGGPVSAFLGIPFAEPPVGSRRFMPP
EPKRPWSGVLDATTFQNVCYQYVDTLYPGFEGTEMWNPNRELSEDCLYLN
VWTPYPRPASPTPVLIWIYGGGFYSGAASLDVYDGRFLAQVEGAVLVSMN
YRVGTFGFLALPGSREAPGNVGLLDQRLALQWVQENIAAFGGDPMSVTLF
GESAGAASVGMHILSLPSRSLFHRAVLQSGTPNGPWATVSAGEARRRATL
LARLVGCNDTELIACLRTRPAQDLVDHEWHVLPQESIFRFSFVPVVDGDF
LSDTPEALINTGDFQDLQVLVGVVKDEGSYFLVYGVPGFSKDNESLISRA
QFLAGVRIGVPQASDLAAEAVVLHYTDWLHPEDPTHLRDAMSAVVGDHNV
VCPVAQLAGRLAAQGARVYAYIFEHRASTLTWPLWMGVPHGYEIEFIFGL
PLDPSLNYTTEERIFAQRLMKYWTNFARTGDPNDPRDSKSPQWPPYTTAA
QQYVSLNLKPLEVRRGLRAQTCAFWNRFLPKLLSA
Ligand information
Ligand IDC56
InChIInChI=1S/C17H26N4O4/c1-5-20-8-6-7-12(20)11-18-17(22)13-9-15(21(23)24)14(19(2)3)10-16(13)25-4/h9-10,12H,5-8,11H2,1-4H3,(H,18,22)/t12-/m1/s1
InChIKeyAFNPLUMDSLEAPD-GFCCVEGCSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CCN1CCC[CH]1CNC(=O)c2cc(c(cc2OC)N(C)C)[N+]([O-])=O
ACDLabs 12.01[O-][N+](=O)c1cc(c(OC)cc1N(C)C)C(=O)NCC2N(CC)CCC2
CACTVS 3.385CCN1CCC[C@@H]1CNC(=O)c2cc(c(cc2OC)N(C)C)[N+]([O-])=O
OpenEye OEToolkits 1.9.2CCN1CCCC1CNC(=O)c2cc(c(cc2OC)N(C)C)[N+](=O)[O-]
OpenEye OEToolkits 1.9.2CCN1CCC[C@@H]1CNC(=O)c2cc(c(cc2OC)N(C)C)[N+](=O)[O-]
FormulaC17 H26 N4 O4
Name4-(DIMETHYLAMINO)-N-{[(2R)-1-ETHYLPYRROLIDIN-2-YL]METHYL}-2-METHOXY-5-NITROBENZAMIDE
ChEMBL
DrugBank
ZINCZINC000004859580
PDB chain4a23 Chain A Residue 1542 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4a23 Targeting Acetylcholinesterase: Identification of Chemical Leads by High Throughput Screening, Structure Determination and Molecular Modeling.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		D74 Y124 W286 I294 F295 R296 Y341
Binding residue
(residue number reindexed from 1)		D74 Y124 W279 I287 F288 R289 Y334
Annotation score1
Binding affinityMOAD: ic50=1.3uM
PDBbind-CN: -logKd/Ki=5.89,IC50=1.3uM
Enzymatic activity
Catalytic site (original residue number in PDB) G121 G122 G154 S203 A204 G242 F297 F299 E334 H447
Catalytic site (residue number reindexed from 1) G121 G122 G154 S203 A204 G242 F290 F292 E327 H440
Enzyme Commision number 3.1.1.7: acetylcholinesterase.
Gene Ontology
Molecular Function
GO:0003990 acetylcholinesterase activity
GO:0004104 cholinesterase activity
GO:0005515 protein binding
GO:0005518 collagen binding
GO:0016787 hydrolase activity
GO:0017171 serine hydrolase activity
GO:0042166 acetylcholine binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0043236 laminin binding
GO:0052689 carboxylic ester hydrolase activity
Biological Process
GO:0001919 regulation of receptor recycling
GO:0002076 osteoblast development
GO:0006581 acetylcholine catabolic process
GO:0007155 cell adhesion
GO:0031623 receptor internalization
GO:0060041 retina development in camera-type eye
GO:0095500 acetylcholine receptor signaling pathway
GO:0120162 positive regulation of cold-induced thermogenesis
Cellular Component
GO:0005576 extracellular region
GO:0005604 basement membrane
GO:0005615 extracellular space
GO:0005794 Golgi apparatus
GO:0005886 plasma membrane
GO:0009986 cell surface
GO:0016020 membrane
GO:0031594 neuromuscular junction
GO:0045202 synapse
GO:0048471 perinuclear region of cytoplasm
GO:0098552 side of membrane

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Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4a23, PDBe:4a23, PDBj:4a23
PDBsum4a23
PubMed22140425
UniProtP21836|ACES_MOUSE Acetylcholinesterase (Gene Name=Ache)

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