Structure of PDB 2xz5 Chain B Binding Site BS02

Receptor Information
>2xz5 Chain B (length=207) Species: 6500 (Aplysia californica) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDL
VYCEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVL
SPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGF
EIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVV
KFRERRA
Ligand information
Ligand IDACH
InChIInChI=1S/C7H16NO2/c1-7(9)10-6-5-8(2,3)4/h5-6H2,1-4H3/q+1
InChIKeyOIPILFWXSMYKGL-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(OCC[N+](C)(C)C)C
CACTVS 3.341
OpenEye OEToolkits 1.5.0		CC(=O)OCC[N+](C)(C)C
FormulaC7 H16 N O2
NameACETYLCHOLINE
ChEMBLCHEMBL667
DrugBankDB03128
ZINCZINC000003079336
PDB chain2xz5 Chain B Residue 1211 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2xz5 Crystal Structures of a Cysteine-Modified Mutant in Loop D of Acetylcholine Binding Protein
Resolution2.8 Å
Binding residue
(original residue number in PDB)		Y186 C188
Binding residue
(residue number reindexed from 1)		Y186 C188
Annotation score4
Binding affinityPDBbind-CN: -logKd/Ki=4.01,Ki=98.3uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004888 transmembrane signaling receptor activity
GO:0005216 monoatomic ion channel activity
GO:0005230 extracellular ligand-gated monoatomic ion channel activity
GO:0005231 excitatory extracellular ligand-gated monoatomic ion channel activity
GO:0005515 protein binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:1904315 transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential
Biological Process
GO:0006811 monoatomic ion transport
GO:0007165 signal transduction
GO:0007268 chemical synaptic transmission
GO:0034220 monoatomic ion transmembrane transport
GO:0042391 regulation of membrane potential
GO:0050877 nervous system process
GO:0060078 regulation of postsynaptic membrane potential
GO:0060079 excitatory postsynaptic potential
Cellular Component
GO:0016020 membrane
GO:0043005 neuron projection
GO:0045202 synapse
GO:0098794 postsynapse

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2xz5, PDBe:2xz5, PDBj:2xz5
PDBsum2xz5
PubMed21115477
UniProtQ8WSF8

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