Structure of PDB 8dve Chain G Binding Site BS01

Receptor Information

>8dve Chain G (length=3944) Species: 9986 (Oryctolagus cuniculus)

VQFLRTDDEVVLQCSATVLKEQLKLCLAAEGFGNRLCFLEPTSNAQNVPP
DLAICCFTLEQSLSVRALQEMLANGHRTLLYGHAILLRHAHSRMYLSCLT
TSRKLAFDVGLQEDATGEACWWTMHPASKQRSEGEKVRVGDDLILVSVSS
ERYLHLSTASGELQVDASFMQTLWNMNPICSCCEEGYVTGGHVLRLFHGE
CLTISAADSDDQRRLVYYEGGAVCTHARSLWRLEPLRISWSGSHLRWGQP
LRIRHVTTGRYLALTEDQGLVVVDACKAHTKATSFCFRVSKEEGMGPPEI
KYGESLCFVQHVASGLWLTYAALKKKAILHQEGHMDDALFLTRCQQEESQ
AARMIHSTAGLYNQFIKGLDSFSGKPRPALPIEAVILSLQDLIGYFEPPS
EELQHEEKQSKLRSLRNRQSLFQEEGMLSLVLNCIDRLNVYTTAAHFAEY
AGEEAAESWKEIVNLLYELLASLIRGNRANCALFSTNLDWVVSKLDRLEA
SSGILEVLYCVLIESPEVLNIIQENHIKSIISLLDKHGRNHKVLDVLCSL
CVCNGVAVRSNQDLITENLLPGRELLLQTNLINYVTSIRPNIFVGRAEGS
TQYGKWYFEVMVDEVVPFLTAQATHLRVGWALTEGYSPYPGGGEGWGGNG
VGDDLYSYGFDGLHLWTGHVARPVTSPGQHLLAPEDVVSCCLDLSVPSIS
FRINGCPVQGVFEAFNLDGLFFPVVSFSAGVKVRFLLGGRHGEFKFLPPP
GYAPCHEAVLPRERLRLEPIKEYRREGPRGPHLVGPSRCLSHTDFVPIVL
PPHLERIREKLAENIHELWALTRILPEPERNYNLQMSGETLKTLLALPAQ
TTLVDRLAENGHNVWARDRVAQGWSYSAVQDIPARRNPRLVPYRLLDEAT
KRSNRDSLCQAVRTLLGYGYNIEPDRVRIFRAEKSYTVQSGRWYFEFEAV
TTGEMRVGWARPELRPDVELGADELAYVFNGHRGQRWHLGSEPFGRPWQS
GDVVGCMIDLTENTIIFTLNGEVLMSDSGSETAFREIEIGDGFLPVCSLG
PGQVGHLNLGQDVSSLRFFAICGLQEGFEPFAINMQRPVTTWFSKSLPQF
EPVPPEHPHYEVARMDGTVDTPPCLRLAHRTWGSQNSLVEMLFLRLSLPV
QFHQHFRDDPEIILNTTTYYYSVRVFAGQEPSCVWVGWVTPDYHQHDMNF
DLSKVRAVTVTMGDEQGNVHSSLKCSNCYMVWGGDFVHTDLVIGCLVDLA
TGLMTFTANGKESNTFFQVEPNTKLFPAVFVLPTHQNVIQFELGKQKNIM
PLSAAMFLSERKNPAPQCPPRLEVQMLMPVSWSRMPNHFLQVETRRAGER
LGWAVQCQDPLTMMALHIPEENRCMDILELSERLDLQRFHSHTLRLYRAV
CALGNNRVAHALCSHVDQAQLLHALEDAHLPGPLRAGYYDLLISIHLESA
CRSRRSMLSEYIVPLTPETRAITLFPPRHGLPGVGVTTSLRPPHHFSPPC
FVAALPAPARLSPAIPLEALRDKALRMLGEAVRDGGQHARDPVGGSVEFQ
FVPVLKLVSTLLVMGIFGDEDVKQILKMIEPEVFTEEEGLLQMKLPESVK
LQMCNLLEYFCDQELQHRVESLAAFAERYVDKLQANQRSRYALLMRAFTM
SAAETARRTREFRSPPQEQINMLLHFKDDCPLPEDIRQDLQDFHQDLLAH
CGIQLPQSLQELVSHMVVRWAQEDYVQSPELVRAMFSLLHRQYDGLGELL
RALPRAYTISPSSVEDTMSLLECLGQIRSLLIVQMGPQEENLMIQSIGNI
MNNKVFYQHPNLMRALGMHETVMEVMVNVLGEIRFPKMVTSCCRFLCYFC
RISRQNQRSMFDHLSYLLENSGIGLGMQGSTPLDVAAASVIDNNELALAL
QEQDLEKVVSYLAGCGLQSCPMLLAKGYPDIGWNPCGGERYLDFLRFAVF
VNGESVEENANVVVRLLIRKPECFGPALRGEGGSGLLAAIEEAIRISEDP
ARDNRVHLGHAIMSFYAALIDLLGRCAPEMHLIQAGKGEALRIRAILRSL
VPLDDLVGIISLPLQIPVQPKMSASFVPDHKASMVLFLDRVYGIENQDFL
LHVLDVGFLPDMRAAASLDTATFSTTEMALALNRYLCLAVLPLITKCAPL
FAGTEHRAIMVDSMLHTVYRLSRGRSLTKAQRDVIEDCLMALCRYIRPSM
LQHLLRRLVFDVPILNEFAKMPLKLLTNHYERCWKYYCLPTGWANFGVTS
EEELHLTRKLFWGIFDSLAHKKYDQELYRMAMPCLCAIAPEKLDSFINKF
AEYTHEKWAFDKIQNNWSYGENVDEELKTHPMLRPYKTFSEKDKEIYRWP
IKESLKAMIAWEWTIEKAREGEEERTEKKKTRKISQTAQTYDPREGYNPQ
PPDLSGVTLSRELQAMAEQLAENYHNTWGRKKKQELEAKGGGTHPLLVPY
DTLTAKEKARDREKAQELLKFLQMNGYAVTRIEKRFAFGFLQQLLRWMDI
SQEFIAHLEAHEQEIKFFAKILLPLINQYFTNHCLYFLSNKEKEMITSLF
CKLAALVRHVVNCLHILARKAGLRSFFESASEDIEKMVENLRQNLTYTTV
ALLPVLTTLFQHIAQHDVQVSCYRTLCSIYSLRPALGECLARLAARLMAD
IGGLAPHVIEITLPMLCSYLPRWSDHLNSLLGNILRIIVNNRLAVFAQPI
VSRARPELLHSHFIPTIGRLRKRAGKVVAEEEQLRDEFSVLCRDLYALYP
LLIRYVDNNRAHWLTEPNANAEELFRMVGEIFIYWSKSHNFKREEQNFVV
QNEIVATLKKMLPIGLNMCDQDLIMLAKTRYALKDTDEEVREFLQNDPEK
IVRRVQEVSAVLYHLEQTEHSKQRRRAVVACFRMTPLYNLPTHRACNMFL
ESYKAAWILTEDHSFEDRMIDDLSKAGKKPDPLHQLVLHFSRTALTEKSK
LDEDYLYMAYADIMAKSCHLEEVSFEEKEMEKQRLLYQQSRLHTRGAAEM
VLQMISACKGETGAMVSSTLKLGISILNGGNAEVQQKMLDYLKDKKEVGF
FQSIQALMQTCSVLDLNAFERQNKAEGLGMVNEDGTVINRQNGEKVMADD
EFTQDLFRFLQLLCEGHNNDFQNYLRTQTGNTTTINIIICTVDYLLRLQE
SISDFYWYYSGKDVIEEQGKRNFSKAMSVAKQVFNSLTEYIQGPCTGNQQ
SLAHSRLWDAVVGFLHVFAHMMMKLAQDSSQIELLKELLDLQKDMVVMLL
SLLEGNVVNGMIARQMVDMLVESSSNVEMILKFFDMFLKLKDIVGSEAFQ
DYVTDPRGLISKKDFQKAMDSQKQFTGPEIQFLLSCSEADENEMINFEEF
ANRFQEPARDIGFNVAVLLTNLSEHVPHDPRLRNFLELAESILEYFRPYL
GRIEIMGASRRIERIYFEISETNRAQWEMPQVKESKRQFIFDVVNEGGEA
EKMELFVSFCEDTIFEMQIAAQISETAREAATALAALLWAVVARWGELEV
QRVKFLNYLSRNFYTLRFLALFLAFAINFILLFYKVSDSPPNMVYYFLEE
STGYMEPALWCLSLLHTLVAFLCIIGYNCLKVPLVIFKREKELARKLEFD
GLYITEQPGDDDVKGQWDRLVLNTPSFPSNYWDKFVKRKVLDKHGDIFGR
ERIAELLGMDLASLEITAHNERTWLMSIDVKYQIWKFGVIFTDNSFLYLG
WYMVMSLLGHYNNFFFAAHLLDIAMGVKTLRTILSSVTHNGKQLVMTVGL
LAVVVYLYTVVAFNFFRKFYNKSEDEDEPDMKCDDMMTCYLFHMYVGVRA
GGGIGDEIEDPAGDEYELYRVVFDITFFFFVIVILLAIIQGLIIDAFGEL
RDQQEQVKEDMETKCFICGIGSDYFDTTPHGFETHTLEEHNLANYMFFLM
YLINKDETEHTGQESYVWKMYQERCWDFFPAGDCFRKQYEDQLS

Ligand information

• Ligand ID: CFF
• InChI: InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
• InChIKey: RYYVLZVUVIJVGH-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: Cn1cnc2N(C)C(=O)N(C)C(=O)c12
  ACDLabs 10.04: O=C2N(c1ncn(c1C(=O)N2C)C)C
  OpenEye OEToolkits 1.5.0: Cn1cnc2c1C(=O)N(C(=O)N2C)C
• Formula: C8 H10 N4 O2
• Name: CAFFEINE;
  3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6-DIONE
• ChEMBL: CHEMBL113
• DrugBank: DB00201
• ZINC: ZINC000000001084
• PDB chain: 8dve Chain G Residue 5101

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8dve Cryo-EM analysis of scorpion toxin binding to Ryanodine Receptors reveals subconductance that is abolished by PKA phosphorylation.
• Resolution: 3.84 Å
• Binding residue (original residue number in PDB): W4716 I4996 W5011 Y5014
• Binding residue (residue number reindexed from 1): W3632 I3903 W3918 Y3921
• Annotation score: 1

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

External links

• PDB: RCSB:8dve, PDBe:8dve, PDBj:8dve
• PDBsum: 8dve
• PubMed: 37224245
• UniProt: P11716|RYR1_RABIT Ryanodine receptor 1 (Gene Name=RYR1)