Structure of PDB 8drp Chain B Binding Site BS01

Receptor Information
>8drp Chain B (length=512) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FRPYLGRIEIMGASRRIERIYFEISETNRAQWEMPQVKESKRQFIFDVVN
EGGEAEKMELFVSFCEDTIFEMQIAAQISETAREAATALAALLWAVVARW
GELEVQRVKFLNYLSRNFYTLRFLALFLAFAINFILLFYKVSDSPPNMVY
YFLEESTGYMEPALWCLSLLHTLVAFLCIIGYNCLKVPLVIFKREKELAR
KLEFDGLYITEQPGDDDVKGQWDRLVLNTPSFPSNYWDKFVTWLMSIDVK
YQIWKFGVIFTDNSFLYLGWYMVMSLLGHYNNFFFAAHLLDIAMGVKTLR
TILSSVTHNGKQLVMTVGLLAVVVYLYTVVAFNFFRKFYNKSEDEDEPDM
KCDDMMTCYLFHMYVGVRAGGGIGDEIEDPAGDEYELYRVVFDITFFFFV
IVILLAIIQGLIIDAFGELRDQQEQVKEDMETKCFICGIGSDYFDTTPHG
FETHTLEEHNLANYMFFLMYLINKDETEHTGQESYVWKMYQERCWDFFPA
GDCFRKQYEDQL
Ligand information
Ligand IDCFF
InChIInChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
InChIKeyRYYVLZVUVIJVGH-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cn1cnc2N(C)C(=O)N(C)C(=O)c12
ACDLabs 10.04O=C2N(c1ncn(c1C(=O)N2C)C)C
OpenEye OEToolkits 1.5.0Cn1cnc2c1C(=O)N(C(=O)N2C)C
FormulaC8 H10 N4 O2
NameCAFFEINE;
3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6-DIONE
ChEMBLCHEMBL113
DrugBankDB00201
ZINCZINC000000001084
PDB chain8drp Chain B Residue 5101 [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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PDB8drp Cryo-EM analysis of scorpion toxin binding to Ryanodine Receptors reveals subconductance that is abolished by PKA phosphorylation.
Resolution2.84 Å
Binding residue
(original residue number in PDB)		E4239 I4242 W4716 I4996 W5011
Binding residue
(residue number reindexed from 1)		E66 I69 W237 I472 W487
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005216 monoatomic ion channel activity
GO:0005219 ryanodine-sensitive calcium-release channel activity
GO:0005245 voltage-gated calcium channel activity
GO:0005262 calcium channel activity
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0005516 calmodulin binding
GO:0005524 ATP binding
GO:0015278 intracellularly gated calcium channel activity
GO:0015643 toxic substance binding
GO:0035381 ATP-gated ion channel activity
GO:0042802 identical protein binding
GO:0044325 transmembrane transporter binding
GO:0046872 metal ion binding
GO:0097718 disordered domain specific binding
Biological Process
GO:0003151 outflow tract morphogenesis
GO:0006811 monoatomic ion transport
GO:0006816 calcium ion transport
GO:0006874 intracellular calcium ion homeostasis
GO:0006936 muscle contraction
GO:0006941 striated muscle contraction
GO:0014808 release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
GO:0019722 calcium-mediated signaling
GO:0043588 skin development
GO:0043931 ossification involved in bone maturation
GO:0048741 skeletal muscle fiber development
GO:0051209 release of sequestered calcium ion into cytosol
GO:0051289 protein homotetramerization
GO:0055085 transmembrane transport
GO:0070588 calcium ion transmembrane transport
GO:0071277 cellular response to calcium ion
GO:0071313 cellular response to caffeine
Cellular Component
GO:0005790 smooth endoplasmic reticulum
GO:0014802 terminal cisterna
GO:0016020 membrane
GO:0016529 sarcoplasmic reticulum
GO:0030018 Z disc
GO:0031090 organelle membrane
GO:0033017 sarcoplasmic reticulum membrane
GO:0034704 calcium channel complex
GO:0042383 sarcolemma
GO:1990425 ryanodine receptor complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8drp, PDBe:8drp, PDBj:8drp
PDBsum8drp
PubMed37224245
UniProtP11716|RYR1_RABIT Ryanodine receptor 1 (Gene Name=RYR1)

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