Structure of PDB 8t4m Chain B Binding Site BS01

Receptor Information
>8t4m Chain B (length=533) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQRQFTSMLQPGVNKFSLRMFGSQKAVEKEQERVKTAGFWIIHPYSDFRF
YWDLIMLIMMVGNLVIIPVGITFFTEQTTTPWIIFNVASDTVCLLDLIMN
FRTGTVNEDSSEIILDPKVIKMNYLKSWFVVDFISSIPVDYIFLIVEKGR
ALRIVRFTKILCLLRLLRLSRLIRYIHQWEEIFHMTYDLASAVVRIFNLI
GMMLLLCHWDGCLQFLVPLLQDFPPDCWVSLNEMVNDSWGKQYSYALFKA
MSHMLCIGYGAQAPVSMSDLWITMLSMIVGATCYAMFVGHATALIQSLDS
SRRQYQEKYKQVEQYMSFHKLPADMRQKIHDYYEHRYQGKIFDEENILNE
LNDPLREEIVNFNCRKLVATMPLFANADPNFVTAMLSKLRFEVFQPGDYI
IREGAVGKKMYFIQHGVAGVITKSSKEMKLTDGSYFGEICLLTKGRRTAS
VRADTYCRLYSLSVDNFNEVLEEYPMMRRAFETVAIDRLDRIGKKNSILL
QKFQKDLNTGVFNNQENEILKQIVKHDREMVQA
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 chain8t4m 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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PDB8t4m Structural Basis for Hyperpolarization-dependent Opening of the Human HCN1 Channel
Resolution3.16 Å
Binding residue
(original residue number in PDB)
M530 F538 G539 I541 R549 T550 A551 R590 I594 V633
Binding residue
(residue number reindexed from 1)
M428 F436 G437 I439 R447 T448 A449 R488 I492 V531
Annotation score1
Enzymatic activity
Enzyme Commision number ?
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

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Cellular Component
External links
PDB RCSB:8t4m, PDBe:8t4m, PDBj:8t4m
PDBsum8t4m
PubMed38890331
UniProtO60741|HCN1_HUMAN Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 (Gene Name=HCN1)

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