Structure of PDB 8sim Chain B Binding Site BS01

Receptor Information
>8sim Chain B (length=144) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINE
VDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAE
LRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK
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 chain8sim Chain B Residue 201 [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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PDB8sim The membrane electric field regulates the PIP 2 -binding site to gate the KCNQ1 channel.
Resolution6.2 Å
Binding residue
(original residue number in PDB)		K31 T35 R38
Binding residue
(residue number reindexed from 1)		K26 T30 R33
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0010856 adenylate cyclase activator activity
GO:0019855 calcium channel inhibitor activity
GO:0019901 protein kinase binding
GO:0031432 titin binding
GO:0043539 protein serine/threonine kinase activator activity
GO:0044325 transmembrane transporter binding
GO:0046872 metal ion binding
GO:0048306 calcium-dependent protein binding
GO:0072542 protein phosphatase activator activity
Biological Process
GO:0000086 G2/M transition of mitotic cell cycle
GO:0002027 regulation of heart rate
GO:0005513 detection of calcium ion
GO:0007186 G protein-coupled receptor signaling pathway
GO:0010800 positive regulation of peptidyl-threonine phosphorylation
GO:0010801 negative regulation of peptidyl-threonine phosphorylation
GO:0010880 regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
GO:0010881 regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
GO:0016240 autophagosome membrane docking
GO:0021762 substantia nigra development
GO:0031954 positive regulation of protein autophosphorylation
GO:0032465 regulation of cytokinesis
GO:0035458 cellular response to interferon-beta
GO:0046427 positive regulation of receptor signaling pathway via JAK-STAT
GO:0050848 regulation of calcium-mediated signaling
GO:0051343 positive regulation of cyclic-nucleotide phosphodiesterase activity
GO:0051592 response to calcium ion
GO:0055117 regulation of cardiac muscle contraction
GO:0060314 regulation of ryanodine-sensitive calcium-release channel activity
GO:0060315 negative regulation of ryanodine-sensitive calcium-release channel activity
GO:0060316 positive regulation of ryanodine-sensitive calcium-release channel activity
GO:0071346 cellular response to type II interferon
GO:0071902 positive regulation of protein serine/threonine kinase activity
GO:0098901 regulation of cardiac muscle cell action potential
GO:0140056 organelle localization by membrane tethering
GO:0140238 presynaptic endocytosis
GO:1901020 negative regulation of calcium ion transmembrane transporter activity
GO:1901842 negative regulation of high voltage-gated calcium channel activity
GO:1901844 regulation of cell communication by electrical coupling involved in cardiac conduction
GO:1905913 negative regulation of calcium ion export across plasma membrane
GO:1990456 mitochondrion-endoplasmic reticulum membrane tethering
Cellular Component
GO:0000922 spindle pole
GO:0005576 extracellular region
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005813 centrosome
GO:0005819 spindle
GO:0005829 cytosol
GO:0005856 cytoskeleton
GO:0005876 spindle microtubule
GO:0005886 plasma membrane
GO:0008076 voltage-gated potassium channel complex
GO:0016020 membrane
GO:0030017 sarcomere
GO:0031514 motile cilium
GO:0031982 vesicle
GO:0032991 protein-containing complex
GO:0034704 calcium channel complex
GO:0043209 myelin sheath
GO:0044305 calyx of Held
GO:0097225 sperm midpiece
GO:0099523 presynaptic cytosol
GO:1902494 catalytic complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8sim, PDBe:8sim, PDBj:8sim
PDBsum8sim
PubMed37192161
UniProtP0DP23|CALM1_HUMAN Calmodulin-1 (Gene Name=CALM1)

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