Structure of PDB 6dg8 Chain C Binding Site BS01

Receptor Information
>6dg8 Chain C (length=391) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TQPALLRLSDHLLANYKKGVRPVRDWRKPTTVSIDVIMYAILNVDEKNQV
LTTYIWYRQYWTDEFLQWTPEDFDNVTKLSIPTDSIWVPDILINEFVDVG
KSPNIPYVYVHHRGEVQNYKPLQLVTACSLDIYNFPFDVQNCSLTFTSWL
HTIQDINITLWRSPEEVRSDKSIFINQGEWELLEVFPQFKEFSIDISNSY
AEMKFYVIIRRRPLFYAVSLLLPSIFLMVVDIVGFCLPPDSGERVSFKIT
LLLGYSVFLIIVSDTLPATAIGTPLIGVYFVVCMALLVISLAETIFIVRL
VHKQDLQRPVPDWLRHLVLDRIAWILAVRGLLQELSSIRHFLEKRDEMRE
VARDWLRVGYVLDRLLFRIYLLAVLAYSITLVTLWSIWHYS
Ligand information
Ligand IDSRO
InChIInChI=1S/C10H12N2O/c11-4-3-7-6-12-10-2-1-8(13)5-9(7)10/h1-2,5-6,12-13H,3-4,11H2
InChIKeyQZAYGJVTTNCVMB-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc2c(cc1O)c(c[nH]2)CCN
ACDLabs 10.04Oc1cc2c(cc1)ncc2CCN
CACTVS 3.341NCCc1c[nH]c2ccc(O)cc12
FormulaC10 H12 N2 O
NameSEROTONIN;
3-(2-AMINOETHYL)-1H-INDOL-5-OL
ChEMBLCHEMBL39
DrugBankDB08839
ZINCZINC000000057058
PDB chain6dg8 Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6dg8 Cryo-EM reveals two distinct serotonin-bound conformations of full-length 5-HT3Areceptor.
Resolution3.89 Å
Binding residue
(original residue number in PDB)		T154 W156 F199 Y207
Binding residue
(residue number reindexed from 1)		T147 W149 F192 Y200
Annotation score1
Binding affinityBindingDB: Ki=361nM,EC50=3400nM
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:0015276 ligand-gated monoatomic ion channel activity
GO:0022850 serotonin-gated monoatomic cation channel activity
GO:0042802 identical protein binding
GO:0051378 serotonin binding
GO:0099507 ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential
Biological Process
GO:0006811 monoatomic ion transport
GO:0007210 serotonin receptor signaling pathway
GO:0034220 monoatomic ion transmembrane transport
GO:0098662 inorganic cation transmembrane transport
GO:0099505 regulation of presynaptic membrane potential
GO:0140227 serotonin-gated cation-selective signaling pathway
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0032154 cleavage furrow
GO:0045202 synapse
GO:0045211 postsynaptic membrane
GO:1904602 serotonin-activated cation-selective channel complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6dg8, PDBe:6dg8, PDBj:6dg8
PDBsum6dg8
PubMed30401837
UniProtP23979|5HT3A_MOUSE 5-hydroxytryptamine receptor 3A (Gene Name=Htr3a)

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