Structure of PDB 1w76 Chain B

Receptor sequence
>1w76B (length=522) Species: 7787 (Tetronarce californica) [Search protein sequence]
SELLVNTKSGKVMGTRVPVLSSHISAFLGIPFAEPPVGNMRFRRPEPKKP
WSGVWNASTYPNNCQQYVDEQFPGFSGSEMWNPNREMSEDCLYLNIWVPS
PRPKSTTVMVWIYGGGFYSGSSTLDVYNGKYLAYTEEVVLVSLSYRVGAF
GFLALHGSQEAPGNVGLLDQRMALQWVHDNIQFFGGDPKTVTIFGESAGG
ASVGMHILSPGSRDLFRRAILQSGSPNCPWASVSVAEGRRRAVELGRNLN
CNLNSDEELIHCLREKKPQELIDVEWNVLPFSFVPVIDGEFFPTSLESML
NSGNFKKTQILLGVNKDEGSFFLLYGAPGFSKDSESKISREDFMSGVKLS
VPHANDLGLDAVTLQYTDWMDDNNGIKNRDGLDDIVGDHNVICPLMHFVN
KYTKFGNGTYLYFFNHRASNLVWPEWMGVIHGYEIEFVFGLPLVKELNYT
AEEEALSRRIMHYWATFAKTGNPNEPSKWPLFTTKEQKFIDLNTEPMKVH
QRLRVQMCVFWNQFLPKLLNAT
3D structure
PDB1w76 The complex of a bivalent derivative of galanthamine with torpedo acetylcholinesterase displays drastic deformation of the active-site gorge: implications for structure-based drug design.
ChainB
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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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 F281 F283 E318 H431
Enzyme Commision number 3.1.1.7: acetylcholinesterase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GNT B W84 G118 Y121 E199 S200 F290 F331 H440 W81 G115 Y118 E196 S197 F281 F322 H431 MOAD: ic50=702nM
BindingDB: IC50=1069nM,Ki=1.9e+2nM
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:1w76, PDBe:1w76, PDBj:1w76
PDBsum1w76
PubMed15563167
UniProtP04058|ACES_TETCF Acetylcholinesterase (Gene Name=ache)

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