Structure of PDB 8s3e Chain B Binding Site BS02

Receptor Information
>8s3e Chain B (length=902) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCAEVGWMTSVKDWAG
VMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQI
DMAFNVFFLLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRS
WLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLSIFISTWLTAAGF
IHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRL
FMVFFILGGLAMFASYVPEIIELIGNRKKYGGSYSAVSGRKHIVVCGHIT
LESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQ
GSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHP
KIRIITQMLQYHNKAHLLNIPSWNWKEGDDAICLAELKLGFIAQSCLAQG
LSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPT
VCELCFVKLKLLMIAIEYKRILINPGNHLKIQEGTLGFFIASDAKEVKRA
FFYCKACHDVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVVVCI
FGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNF
PKVSILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILA
SLNIKSMQFDDITTGVNIPIITELVNDTNVQFLDQDDDDDPDTELYLTQP
FACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENA
LRGGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYN
MLCFGIYRLRDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFDHN
AG
Ligand information
Ligand IDCLR
InChIInChI=1S/C27H46O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9,18-19,21-25,28H,6-8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1
InChIKeyHVYWMOMLDIMFJA-DPAQBDIFSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)CCCC(C)C1CCC2C1(CCC3C2CC=C4C3(CCC(C4)O)C)C
CACTVS 3.341CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
ACDLabs 10.04OC4CCC3(C(=CCC2C1C(C(C(C)CCCC(C)C)CC1)(C)CCC23)C4)C
OpenEye OEToolkits 1.5.0CC(C)CCC[C@@H](C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
CACTVS 3.341CC(C)CCC[CH](C)[CH]1CC[CH]2[CH]3CC=C4C[CH](O)CC[C]4(C)[CH]3CC[C]12C
FormulaC27 H46 O
NameCHOLESTEROL
ChEMBLCHEMBL112570
DrugBankDB04540
ZINCZINC000003875383
PDB chain8s3e Chain B Residue 1203 [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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PDB8s3e Cryo-EM structure of the Slo1 potassium channel with the auxiliary gamma 1 subunit suggests a mechanism for depolarization-independent activation.
Resolution2.39 Å
Binding residue
(original residue number in PDB)		L26 F252
Binding residue
(residue number reindexed from 1)		L8 F200
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005216 monoatomic ion channel activity
GO:0005267 potassium channel activity
GO:0046872 metal ion binding
GO:0060072 large conductance calcium-activated potassium channel activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0006813 potassium ion transport
GO:0042311 vasodilation
GO:0042391 regulation of membrane potential
GO:0055085 transmembrane transport
GO:0071805 potassium ion transmembrane transport
Cellular Component
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0034702 monoatomic ion channel complex
GO:0045211 postsynaptic membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8s3e, PDBe:8s3e, PDBj:8s3e
PDBsum8s3e
PubMed38553946
UniProtQ9BG98|KCMA1_RABIT Calcium-activated potassium channel subunit alpha-1 (Gene Name=KCNMA1)

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