Structure of PDB 7pxe Chain A Binding Site BS01

Receptor Information
>7pxe Chain A (length=885) Species: 7227 (Drosophila melanogaster) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LKVRKYWCFLLSSIFTFLAGLLVVLLWRAFAFVCTFMTEAKDWAGELISG
QTTTGRILVVLVFILSIASLIIYFVDASSEEVERCQKWSNNITQQIDLAF
NIFFMVYFFIRFIAASDKLWFMLEMYSFVDYFTIPPSFVSIYLDRTWIGL
RFLRALRLMTVPDILQYLNVLKTSSSIRLAQLVSIFISVWLTAAGIIHLL
ENSGDPLDFDNAHRLSYWTCVYFLIVTMSTVGYGDVYCETVLGRTFLVFF
LLVGLAIFASCIPEIIDLIGTRAKYGGTLKNEKGRRHIVVCGHITYESVS
HFLKDFLHEDREDVDVEVVFLHRKPPDLELEGLFKRHFTTVEFFQGTIMN
PIDLQRVKVHEADACLVLANKYCQDPDAEDAANIMRVISIKNYSDDIRVI
IQLMQYHNKAYLLNIPSWDWKQGDDVICLAELKLGFIAQSCLAPGFSTMM
ANLFAMRSFKTSPDMQSWTNDYLRGTGMEMYTETLSPTFIGIPFAQATEL
CFSKLKLLLLAIEIKSKISINPRGAKIQANTQGFFIAQSADEVKRAWFYC
KAMKYDSTGMFHWSPAKSLEDCILDRNQAAMTVLNGHVVVCLFADPDSPL
IGLRNLVMPLRASNFHYHELKHVVIVGSVDYIRREWKMLQNLPKISVLNG
SPLSRADLRAVNVNLCDMCCILSAKVPSNDDPTLADKEAILASLNIKAMT
FDVYGANVPMITELVNDGNVQFLDQDDDDDPDTELYLTQPFACGTAFAVS
VLDSLMSTTYFNQNALTLIRSLITGGATPELELILAEGAGLRGGYSTVES
LSNRDRCRVGQISLYDGPLAQFGECGKYGDLFVAALKSYGMLCIGLYRFR
DTSASSKRYVITNPPDDFSLLPTDQVFVLMQFDPG
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain7pxe Chain A Residue 1201 [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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PDB7pxe Small molecule modulation of the Drosophila Slo channel elucidated by cryo-EM.
Resolution2.38 Å
Binding residue
(original residue number in PDB)		Q977 D980 D983 D985
Binding residue
(residue number reindexed from 1)		Q721 D724 D727 D729
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005216 monoatomic ion channel activity
GO:0005261 monoatomic cation channel activity
GO:0005267 potassium channel activity
GO:0005515 protein binding
GO:0015269 calcium-activated potassium channel activity
GO:0060072 large conductance calcium-activated potassium channel activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0006813 potassium ion transport
GO:0007623 circadian rhythm
GO:0008582 regulation of synaptic assembly at neuromuscular junction
GO:0009410 response to xenobiotic stimulus
GO:0045433 male courtship behavior, veined wing generated song production
GO:0048512 circadian behavior
GO:0055085 transmembrane transport
GO:0071805 potassium ion transmembrane transport
GO:1900074 negative regulation of neuromuscular synaptic transmission
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0034702 monoatomic ion channel complex
GO:0043005 neuron projection
GO:0043025 neuronal cell body
GO:0045211 postsynaptic membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7pxe, PDBe:7pxe, PDBj:7pxe
PDBsum7pxe
PubMed34887422
UniProtQ03720|SLO_DROME Calcium-activated potassium channel slowpoke (Gene Name=slo)

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