Structure of PDB 1dx6 Chain A Binding Site BS01

Receptor Information
>1dx6 Chain A (length=528) 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
KELNYTAEEEALSRRIMHYWATFAKTGNPNEPSKWPLFTTKEQKFIDLNT
EPMKVHQRLRVQMCVFWNQFLPKLLNAT
Ligand information
Ligand IDGNT
InChIInChI=1S/C17H21NO3/c1-18-8-7-17-6-5-12(19)9-14(17)21-16-13(20-2)4-3-11(10-18)15(16)17/h3-6,12,14,19H,7-10H2,1-2H3/t12-,14-,17-/m0/s1
InChIKeyASUTZQLVASHGKV-JDFRZJQESA-N
SMILES
SoftwareSMILES
CACTVS 3.341COc1ccc2CN(C)CC[C]34C=C[CH](O)C[CH]3Oc1c24
OpenEye OEToolkits 1.5.0C[N@@]1CC[C@@]23C=C[C@@H](C[C@@H]2Oc4c3c(ccc4OC)C1)O
OpenEye OEToolkits 1.5.0CN1CCC23C=CC(CC2Oc4c3c(ccc4OC)C1)O
CACTVS 3.341COc1ccc2CN(C)CC[C@@]34C=C[C@H](O)C[C@@H]3Oc1c24
ACDLabs 10.04OC2C=CC41c3c(ccc(OC)c3OC1C2)CN(CC4)C
FormulaC17 H21 N O3
Name(-)-GALANTHAMINE
ChEMBLCHEMBL659
DrugBankDB00674
ZINCZINC000000491073
PDB chain1dx6 Chain A Residue 602 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1dx6 Structure of Acetylcholinesterase Complexed with (-)-Galanthamine at 2.3A Resolution
Resolution2.3 Å
Binding residue
(original residue number in PDB)		W84 G117 G118 G119 Y121 E199 S200 F290 F331 H440
Binding residue
(residue number reindexed from 1)		W81 G114 G115 G116 Y118 E196 S197 F287 F328 H437
Annotation score1
Binding affinityMOAD: ic50=652nM
PDBbind-CN: -logKd/Ki=6.19,IC50=652nM
BindingDB: IC50=1069nM,Ki=1.9e+2nM
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1dx6, PDBe:1dx6, PDBj:1dx6
PDBsum1dx6
PubMed10606746
UniProtP04058|ACES_TETCF Acetylcholinesterase (Gene Name=ache)

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