Structure of PDB 2c5f Chain A Binding Site BS02

Receptor Information
>2c5f Chain A (length=532) Species: 7787 (Tetronarce californica) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SELLVNTKSGKVMGTRVPVLSSHISAFLGIPFAEPPVGNMRFRRPEPKKP
WSGVWNASTYPNNCQQYVDEQFPGFSGSEMWNPNREMSEDCLYLNIWVPS
PRPKSTTVMVWIYGGGFYSGSSTLDVYNGKYLAYTEEVVLVSLSYRVGAF
GFLALHGSQEAPGNVGLLDQRMALQWVHDNIQFFGGDPKTVTIFGESAGG
ASVGMHILSPGSRDLFRRAILQSGSPNCPWASVSVAEGRRRAVELGRNLN
CNLNSDEELIHCLREKKPQELIDVEWNVLPFDSIFRFSFVPVIDGEFFPT
SLESMLNSGNFKKTQILLGVNKDEGSFFLLYGAPGFSKDSESKISREDFM
SGVKLSVPHANDLGLDAVTLQYTDWMDDNNGIKNRDGLDDIVGDHNVICP
LMHFVNKYTKFGNGTYLYFFNHRASNLVWPEWMGVIHGYEIEFVFGLPLV
KELNYTAEEEALSRRIMHYWATFAKTGNPNEPHSQESKWPLFTTKEQKFI
DLNTEPMKVHQRLRVQMCVFWNQFLPKLLNAT
Ligand information
Ligand IDCHH
InChIInChI=1S/C8H18NO/c1-8(10)6-5-7-9(2,3)4/h5-7H2,1-4H3/q+1
InChIKeyUKCYTFTWLWVZSO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341
OpenEye OEToolkits 1.5.0		CC(=O)CCC[N+](C)(C)C
ACDLabs 10.04O=C(C)CCC[N+](C)(C)C
FormulaC8 H18 N O
NameN,N,N-TRIMETHYL-4-OXOPENTAN-1-AMINIUM;
4-KETOAMYLTRIMETHYLAMMONIUM
ChEMBLCHEMBL136916
DrugBank
ZINC
PDB chain2c5f Chain A Residue 1542 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2c5f Structural Insights Into Substrate Traffic and Inhibition in Acetylcholinesterase.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		Y70 Y121 W279 F331
Binding residue
(residue number reindexed from 1)		Y67 Y118 W276 F328
Annotation score2
Binding affinityBindingDB: IC50=8.5nM
Enzymatic activity
Catalytic site (original residue number in PDB) G118 G119 G151 S200 A201 A239 F290 F292 E327 H440
Catalytic site (residue number reindexed from 1) G115 G116 G148 S197 A198 A236 F287 F289 E324 H437
Enzyme Commision number 3.1.1.7: acetylcholinesterase.
Gene Ontology
Molecular Function
GO:0003990 acetylcholinesterase activity
GO:0004104 cholinesterase activity
GO:0052689 carboxylic ester hydrolase activity
Biological Process
GO:0001507 acetylcholine catabolic process in synaptic cleft
GO:0006581 acetylcholine catabolic process
GO:0019695 choline metabolic process
Cellular Component
GO:0005615 extracellular space
GO:0005886 plasma membrane
GO:0043083 synaptic cleft
GO:0045202 synapse
GO:0098552 side of membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2c5f, PDBe:2c5f, PDBj:2c5f
PDBsum2c5f
PubMed16763558
UniProtP04058|ACES_TETCF Acetylcholinesterase (Gene Name=ache)

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