Structure of PDB 8t4y Chain B Binding Site BS01

Receptor Information
>8t4y Chain B (length=501) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KFSLRMFGSQKAVEKEQERVKTIHPYSDFRFYWDLIMLIMMVGNLVIIPV
GITFFTEQTTTPWIIFNVASDTVCLLDLIMNFRDPKVIKMNYLKSWFVVD
FISSIPVDYIFLIVEKGRALRIVRFTKILCLLRLLRLSRLIRYIHQWEEI
FHMTYDLASAVVRIFNLIGMMLLLAHWDGCLQFLVPLLQDFPPDCWVSLN
EMVNDSWGKQYSYALFKAMSHMLCIGYGAQAPVSMSDLWITMLSMIVGAT
CYAMFVGHATALIQSLDSSRRQYQEKYKQVEQYMSFHKLPADMRQKIHDY
YEHRYQGKIFDEENILNELNDPLREEIVNFNCRKLVATMPLFANADPNFV
TAMLSKLRFEVFQPGDYIIREGAVGKKMYFIQHGVAGVITKSSKEMKLTD
GSYFGEICLLTKGRRTASVRADTYCRLYSLSVDNFNEVLEEYPMMRRAFE
TVAIDRLDRIGKKNSILLQKFQKDLNTGVFNNQENEILKQIVKHDREMVQ
A
Ligand information
Ligand IDCMP
InChIInChI=1S/C10H12N5O6P/c11-8-5-9(13-2-12-8)15(3-14-5)10-6(16)7-4(20-10)1-19-22(17,18)21-7/h2-4,6-7,10,16H,1H2,(H,17,18)(H2,11,12,13)/t4-,6-,7-,10-/m1/s1
InChIKeyIVOMOUWHDPKRLL-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C4C(O3)COP(=O)(O4)O)O)N
ACDLabs 10.04O=P3(OCC4OC(n1c2ncnc(N)c2nc1)C(O)C4O3)O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@H]4[C@H](O3)CO[P@](=O)(O4)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH]4CO[P](O)(=O)O[CH]4[CH]3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@@H]4CO[P@](O)(=O)O[C@H]4[C@H]3O
FormulaC10 H12 N5 O6 P
NameADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE;
CYCLIC AMP;
CAMP
ChEMBLCHEMBL316966
DrugBankDB02527
ZINCZINC000003873977
PDB chain8t4y Chain B Residue 901 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB8t4y Structural basis for hyperpolarization-dependent opening of human HCN1 channel.
Resolution3.58 Å
Binding residue
(original residue number in PDB)		V522 M530 E540 I541 R549 T550 R590 I594
Binding residue
(residue number reindexed from 1)		V388 M396 E406 I407 R415 T416 R456 I460
Annotation score1
Gene Ontology
Molecular Function
GO:0005222 intracellularly cAMP-activated cation channel activity
GO:0005248 voltage-gated sodium channel activity
GO:0005249 voltage-gated potassium channel activity
GO:0005267 potassium channel activity
GO:0005272 sodium channel activity
GO:0005515 protein binding
GO:0022843 voltage-gated monoatomic cation channel activity
GO:0030552 cAMP binding
GO:0042802 identical protein binding
GO:0140232 intracellular cAMP-activated cation channel activity involved in regulation of presynaptic membrane potential
Biological Process
GO:0003254 regulation of membrane depolarization
GO:0006814 sodium ion transport
GO:0019228 neuronal action potential
GO:0035725 sodium ion transmembrane transport
GO:0042391 regulation of membrane potential
GO:0045176 apical protein localization
GO:0046549 retinal cone cell development
GO:0051289 protein homotetramerization
GO:0051867 general adaptation syndrome, behavioral process
GO:0060078 regulation of postsynaptic membrane potential
GO:0071320 cellular response to cAMP
GO:0071805 potassium ion transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0030424 axon
GO:0030425 dendrite
GO:0034702 monoatomic ion channel complex
GO:0045211 postsynaptic membrane
GO:0048787 presynaptic active zone membrane
GO:0098855 HCN channel complex
GO:0098978 glutamatergic synapse

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8t4y, PDBe:8t4y, PDBj:8t4y
PDBsum8t4y
PubMed38890331
UniProtO60741|HCN1_HUMAN Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 (Gene Name=HCN1)

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