Structure of PDB 7b8e Chain A Binding Site BS01

Receptor Information
>7b8e 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 IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0
[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain7b8e Chain A Residue 606 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7b8e Torpedo californica acetylcholinesterase is stabilized by binding of a divalent metal ion to a novel and versatile 4D motif.
Resolution2.23 Å
Binding residue
(original residue number in PDB)
D326 D392
Binding residue
(residue number reindexed from 1)
D323 D389
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) G118 G119 S200 A201 E327 H440
Catalytic site (residue number reindexed from 1) G115 G116 S197 A198 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:7b8e, PDBe:7b8e, PDBj:7b8e
PDBsum7b8e
PubMed33686648
UniProtP04058|ACES_TETCF Acetylcholinesterase (Gene Name=ache)

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