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8DTB

Focus/local refined map in C1 of signal subtracted RyR1 particles in complex with ImperaCalcin

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003151biological_processoutflow tract morphogenesis
A0005216molecular_functionmonoatomic ion channel activity
A0005219molecular_functionryanodine-sensitive calcium-release channel activity
A0005245molecular_functionvoltage-gated calcium channel activity
A0005262molecular_functioncalcium channel activity
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0005516molecular_functioncalmodulin binding
A0005524molecular_functionATP binding
A0005790cellular_componentsmooth endoplasmic reticulum
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0006816biological_processcalcium ion transport
A0006874biological_processintracellular calcium ion homeostasis
A0006936biological_processmuscle contraction
A0006941biological_processstriated muscle contraction
A0008144molecular_functionobsolete drug binding
A0014802cellular_componentterminal cisterna
A0014808biological_processrelease of sequestered calcium ion into cytosol by sarcoplasmic reticulum
A0015278molecular_functionintracellularly gated calcium channel activity
A0015643molecular_functiontoxic substance binding
A0016020cellular_componentmembrane
A0016529cellular_componentsarcoplasmic reticulum
A0019722biological_processcalcium-mediated signaling
A0030018cellular_componentZ disc
A0031090cellular_componentorganelle membrane
A0033017cellular_componentsarcoplasmic reticulum membrane
A0034220biological_processmonoatomic ion transmembrane transport
A0034704cellular_componentcalcium channel complex
A0035381molecular_functionATP-gated ion channel activity
A0042383cellular_componentsarcolemma
A0042802molecular_functionidentical protein binding
A0043588biological_processskin development
A0043931biological_processossification involved in bone maturation
A0044325molecular_functiontransmembrane transporter binding
A0046872molecular_functionmetal ion binding
A0048741biological_processskeletal muscle fiber development
A0051209biological_processrelease of sequestered calcium ion into cytosol
A0051289biological_processprotein homotetramerization
A0055085biological_processtransmembrane transport
A0070588biological_processcalcium ion transmembrane transport
A0071277biological_processcellular response to calcium ion
A0071313biological_processcellular response to caffeine
A0097718molecular_functiondisordered domain specific binding
A1990425cellular_componentryanodine receptor complex
B0005246molecular_functioncalcium channel regulator activity
B0005576cellular_componentextracellular region
B0019855molecular_functioncalcium channel inhibitor activity
B0035821biological_processmodulation of process of another organism
B0090729molecular_functiontoxin activity
B0099106molecular_functionion channel regulator activity
D0000166molecular_functionnucleotide binding
D0003151biological_processoutflow tract morphogenesis
D0005216molecular_functionmonoatomic ion channel activity
D0005219molecular_functionryanodine-sensitive calcium-release channel activity
D0005245molecular_functionvoltage-gated calcium channel activity
D0005262molecular_functioncalcium channel activity
D0005509molecular_functioncalcium ion binding
D0005515molecular_functionprotein binding
D0005516molecular_functioncalmodulin binding
D0005524molecular_functionATP binding
D0005790cellular_componentsmooth endoplasmic reticulum
D0005886cellular_componentplasma membrane
D0006811biological_processmonoatomic ion transport
D0006816biological_processcalcium ion transport
D0006874biological_processintracellular calcium ion homeostasis
D0006936biological_processmuscle contraction
D0006941biological_processstriated muscle contraction
D0008144molecular_functionobsolete drug binding
D0014802cellular_componentterminal cisterna
D0014808biological_processrelease of sequestered calcium ion into cytosol by sarcoplasmic reticulum
D0015278molecular_functionintracellularly gated calcium channel activity
D0015643molecular_functiontoxic substance binding
D0016020cellular_componentmembrane
D0016529cellular_componentsarcoplasmic reticulum
D0019722biological_processcalcium-mediated signaling
D0030018cellular_componentZ disc
D0031090cellular_componentorganelle membrane
D0033017cellular_componentsarcoplasmic reticulum membrane
D0034220biological_processmonoatomic ion transmembrane transport
D0034704cellular_componentcalcium channel complex
D0035381molecular_functionATP-gated ion channel activity
D0042383cellular_componentsarcolemma
D0042802molecular_functionidentical protein binding
D0043588biological_processskin development
D0043931biological_processossification involved in bone maturation
D0044325molecular_functiontransmembrane transporter binding
D0046872molecular_functionmetal ion binding
D0048741biological_processskeletal muscle fiber development
D0051209biological_processrelease of sequestered calcium ion into cytosol
D0051289biological_processprotein homotetramerization
D0055085biological_processtransmembrane transport
D0070588biological_processcalcium ion transmembrane transport
D0071277biological_processcellular response to calcium ion
D0071313biological_processcellular response to caffeine
D0097718molecular_functiondisordered domain specific binding
D1990425cellular_componentryanodine receptor complex
G0000166molecular_functionnucleotide binding
G0003151biological_processoutflow tract morphogenesis
G0005216molecular_functionmonoatomic ion channel activity
G0005219molecular_functionryanodine-sensitive calcium-release channel activity
G0005245molecular_functionvoltage-gated calcium channel activity
G0005262molecular_functioncalcium channel activity
G0005509molecular_functioncalcium ion binding
G0005515molecular_functionprotein binding
G0005516molecular_functioncalmodulin binding
G0005524molecular_functionATP binding
G0005790cellular_componentsmooth endoplasmic reticulum
G0005886cellular_componentplasma membrane
G0006811biological_processmonoatomic ion transport
G0006816biological_processcalcium ion transport
G0006874biological_processintracellular calcium ion homeostasis
G0006936biological_processmuscle contraction
G0006941biological_processstriated muscle contraction
G0008144molecular_functionobsolete drug binding
G0014802cellular_componentterminal cisterna
G0014808biological_processrelease of sequestered calcium ion into cytosol by sarcoplasmic reticulum
G0015278molecular_functionintracellularly gated calcium channel activity
G0015643molecular_functiontoxic substance binding
G0016020cellular_componentmembrane
G0016529cellular_componentsarcoplasmic reticulum
G0019722biological_processcalcium-mediated signaling
G0030018cellular_componentZ disc
G0031090cellular_componentorganelle membrane
G0033017cellular_componentsarcoplasmic reticulum membrane
G0034220biological_processmonoatomic ion transmembrane transport
G0034704cellular_componentcalcium channel complex
G0035381molecular_functionATP-gated ion channel activity
G0042383cellular_componentsarcolemma
G0042802molecular_functionidentical protein binding
G0043588biological_processskin development
G0043931biological_processossification involved in bone maturation
G0044325molecular_functiontransmembrane transporter binding
G0046872molecular_functionmetal ion binding
G0048741biological_processskeletal muscle fiber development
G0051209biological_processrelease of sequestered calcium ion into cytosol
G0051289biological_processprotein homotetramerization
G0055085biological_processtransmembrane transport
G0070588biological_processcalcium ion transmembrane transport
G0071277biological_processcellular response to calcium ion
G0071313biological_processcellular response to caffeine
G0097718molecular_functiondisordered domain specific binding
G1990425cellular_componentryanodine receptor complex
J0000166molecular_functionnucleotide binding
J0003151biological_processoutflow tract morphogenesis
J0005216molecular_functionmonoatomic ion channel activity
J0005219molecular_functionryanodine-sensitive calcium-release channel activity
J0005245molecular_functionvoltage-gated calcium channel activity
J0005262molecular_functioncalcium channel activity
J0005509molecular_functioncalcium ion binding
J0005515molecular_functionprotein binding
J0005516molecular_functioncalmodulin binding
J0005524molecular_functionATP binding
J0005790cellular_componentsmooth endoplasmic reticulum
J0005886cellular_componentplasma membrane
J0006811biological_processmonoatomic ion transport
J0006816biological_processcalcium ion transport
J0006874biological_processintracellular calcium ion homeostasis
J0006936biological_processmuscle contraction
J0006941biological_processstriated muscle contraction
J0008144molecular_functionobsolete drug binding
J0014802cellular_componentterminal cisterna
J0014808biological_processrelease of sequestered calcium ion into cytosol by sarcoplasmic reticulum
J0015278molecular_functionintracellularly gated calcium channel activity
J0015643molecular_functiontoxic substance binding
J0016020cellular_componentmembrane
J0016529cellular_componentsarcoplasmic reticulum
J0019722biological_processcalcium-mediated signaling
J0030018cellular_componentZ disc
J0031090cellular_componentorganelle membrane
J0033017cellular_componentsarcoplasmic reticulum membrane
J0034220biological_processmonoatomic ion transmembrane transport
J0034704cellular_componentcalcium channel complex
J0035381molecular_functionATP-gated ion channel activity
J0042383cellular_componentsarcolemma
J0042802molecular_functionidentical protein binding
J0043588biological_processskin development
J0043931biological_processossification involved in bone maturation
J0044325molecular_functiontransmembrane transporter binding
J0046872molecular_functionmetal ion binding
J0048741biological_processskeletal muscle fiber development
J0051209biological_processrelease of sequestered calcium ion into cytosol
J0051289biological_processprotein homotetramerization
J0055085biological_processtransmembrane transport
J0070588biological_processcalcium ion transmembrane transport
J0071277biological_processcellular response to calcium ion
J0071313biological_processcellular response to caffeine
J0097718molecular_functiondisordered domain specific binding
J1990425cellular_componentryanodine receptor complex
Functional Information from PROSITE/UniProt
site_idPS60028
Number of Residues30
DetailsSCORPION_CALCINE Scorpion calcine family signature. ClphlkrCkadndCCgkkCkrrgtnaekRC
ChainResidueDetails
BCYS3-CYS32

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues32
DetailsPeptide: {"description":"Imperacalcin","featureId":"PRO_0000044949","evidences":[{"source":"PubMed","id":"9108323","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsRegion: {"description":"Important for stimulation of [3H]ryanodine binding to RYR1","evidences":[{"source":"PubMed","id":"14535845","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsRegion: {"description":"Essential for stimulation of [3H]ryanodine binding to RYR1","evidences":[{"source":"PubMed","id":"14535845","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsSite: {"description":"Important for stimulation of [3H]ryanodine binding to RYR1","evidences":[{"source":"PubMed","id":"14535845","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsSite: {"description":"Essential for stimulation of [3H]ryanodine binding to RYR1","evidences":[{"source":"PubMed","id":"14535845","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues80
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues80
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues88
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues168
DetailsTopological domain: {"description":"Lumenal","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues64
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues56
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues80
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues76
DetailsIntramembrane: {"description":"Pore-forming","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues80
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"25470059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27468892","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues24
DetailsMotif: {"description":"Selectivity filter","evidences":[{"source":"PubMed","id":"25517095","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"27573175","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"27662087","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27662087","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"5T9V","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TA3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TAU","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27662087","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"5TAN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues4
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P21817","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P21817","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

243531

PDB entries from 2025-10-22

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