Structure of PDB 9ayf Chain R Binding Site BS02

Receptor Information
>9ayf Chain R (length=816) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPDQRAQKKGDIILGGLFPIHFGVAAKDQDLKSRPESVECIRYNFRGFRW
LQAMIFAIEEINSSPALLPNLTLGYRIFDTCNTVSKALEATLSFVAQNKI
DSLNIPSTIAVVGATGSGVSTAVANLLGLFYIPQVSYASSSRLLSNKNQF
KSFLRTIPNDEHQATAMADIIEYFRWNWVGTIAADDDYGRPGIEKFREEA
EERDICIDFSELISQYSDEEEIQHVVEVIQNSTAKVIVVFSSGPDLEPLI
KEIVRRNITGKIWLASEAWASSSLIAMPQYFHVVGGTIGFALKAGQIPGF
REFLKKVHPRKSVHNGFAKEFWEETFNCHLRPLCTGDENISSVETPYIDY
THLRISYNVYLAVYSIAHALQDIYTCLPGRGLFTNGSCADIKKVEAWQVL
KHLRHLNFTNNMGEQVTFDECGDLVGNYSIINWHLSPEDGSIVFKEVGYY
NVYAKKGERLFINEEKILWSGFSREVPFSNCSRDCLAGTRKGIIEGEPTC
CFECVECPDGEYSDETDASACNKCPDDFWSNENHTSCIAKEIEFLSWTEP
FGIALTLFAVLGIFLTAFVLGVFIKFRNTPIVKATNRELSYLLLFSLLCC
FSSSLFFIGEPQDWTCRLRQPAFGISFVLCISCILVKTNRVLLVFEAKIP
TSFHRKWWGLNLQFLLVFLCTFMQIVICVIWLYTAPPSSYRNQELEDEII
FITCHEGSLMALGFLIGYTCLLAAICFFFAFKSRKLPENFNEAKFITFSM
LIFFIVWISFIPAYASTYGKFVSAVEVIAILAASFGLLACIFFNKIYIIL
FKPSRNTIEEVRCSTA
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 chain9ayf Chain R Residue 1006 [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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PDB9ayf Promiscuous G-protein activation by the calcium-sensing receptor
Resolution3.6 Å
Binding residue
(original residue number in PDB)		I81 N82 S84 L87 L88
Binding residue
(residue number reindexed from 1)		I61 N62 S64 L67 L68
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004930 G protein-coupled receptor activity
Biological Process
GO:0007186 G protein-coupled receptor signaling pathway
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:9ayf, PDBe:9ayf, PDBj:9ayf
PDBsum9ayf
PubMed38632411
UniProtP41180|CASR_HUMAN Extracellular calcium-sensing receptor (Gene Name=CASR)

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