Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

9ED1

Cryo-EM structure of the human KCa3.1/calmodulin channel in complex with Ca2+ and 1,4-dihydropyridine (DHP-103)

Functional Information from GO Data
ChainGOidnamespacecontents
E0000086biological_processG2/M transition of mitotic cell cycle
E0000922cellular_componentspindle pole
E0001975biological_processresponse to amphetamine
E0002027biological_processregulation of heart rate
E0005246molecular_functioncalcium channel regulator activity
E0005509molecular_functioncalcium ion binding
E0005513biological_processdetection of calcium ion
E0005515molecular_functionprotein binding
E0005654cellular_componentnucleoplasm
E0005737cellular_componentcytoplasm
E0005739cellular_componentmitochondrion
E0005813cellular_componentcentrosome
E0005819cellular_componentspindle
E0005829cellular_componentcytosol
E0005856cellular_componentcytoskeleton
E0005876cellular_componentspindle microtubule
E0005929cellular_componentcilium
E0008076cellular_componentvoltage-gated potassium channel complex
E0008179molecular_functionadenylate cyclase binding
E0010856molecular_functionadenylate cyclase activator activity
E0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
E0010881biological_processregulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
E0016020cellular_componentmembrane
E0016240biological_processautophagosome membrane docking
E0019855molecular_functioncalcium channel inhibitor activity
E0019901molecular_functionprotein kinase binding
E0019904molecular_functionprotein domain specific binding
E0030017cellular_componentsarcomere
E0030235molecular_functionnitric-oxide synthase regulator activity
E0030426cellular_componentgrowth cone
E0030672cellular_componentsynaptic vesicle membrane
E0031432molecular_functiontitin binding
E0031514cellular_componentmotile cilium
E0031800molecular_functiontype 3 metabotropic glutamate receptor binding
E0031966cellular_componentmitochondrial membrane
E0031982cellular_componentvesicle
E0032465biological_processregulation of cytokinesis
E0032991cellular_componentprotein-containing complex
E0034704cellular_componentcalcium channel complex
E0035458biological_processcellular response to interferon-beta
E0042995cellular_componentcell projection
E0043209cellular_componentmyelin sheath
E0043539molecular_functionprotein serine/threonine kinase activator activity
E0043548molecular_functionphosphatidylinositol 3-kinase binding
E0044305cellular_componentcalyx of Held
E0044325molecular_functiontransmembrane transporter binding
E0046427biological_processpositive regulation of receptor signaling pathway via JAK-STAT
E0046872molecular_functionmetal ion binding
E0048306molecular_functioncalcium-dependent protein binding
E0050848biological_processregulation of calcium-mediated signaling
E0050998molecular_functionnitric-oxide synthase binding
E0051592biological_processresponse to calcium ion
E0055117biological_processregulation of cardiac muscle contraction
E0060314biological_processregulation of ryanodine-sensitive calcium-release channel activity
E0060315biological_processnegative regulation of ryanodine-sensitive calcium-release channel activity
E0071346biological_processcellular response to type II interferon
E0072542molecular_functionprotein phosphatase activator activity
E0090150biological_processestablishment of protein localization to membrane
E0090151biological_processestablishment of protein localization to mitochondrial membrane
E0097225cellular_componentsperm midpiece
E0097720biological_processcalcineurin-mediated signaling
E0098685cellular_componentSchaffer collateral - CA1 synapse
E0098901biological_processregulation of cardiac muscle cell action potential
E0099523cellular_componentpresynaptic cytosol
E0099524cellular_componentpostsynaptic cytosol
E0140056biological_processorganelle localization by membrane tethering
E0140238biological_processpresynaptic endocytosis
E0141110molecular_functiontransporter inhibitor activity
E1900242biological_processregulation of synaptic vesicle endocytosis
E1902494cellular_componentcatalytic complex
E1905913biological_processnegative regulation of calcium ion export across plasma membrane
E1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
E2000300biological_processregulation of synaptic vesicle exocytosis
F0000086biological_processG2/M transition of mitotic cell cycle
F0000922cellular_componentspindle pole
F0001975biological_processresponse to amphetamine
F0002027biological_processregulation of heart rate
F0005246molecular_functioncalcium channel regulator activity
F0005509molecular_functioncalcium ion binding
F0005513biological_processdetection of calcium ion
F0005515molecular_functionprotein binding
F0005654cellular_componentnucleoplasm
F0005737cellular_componentcytoplasm
F0005739cellular_componentmitochondrion
F0005813cellular_componentcentrosome
F0005819cellular_componentspindle
F0005829cellular_componentcytosol
F0005856cellular_componentcytoskeleton
F0005876cellular_componentspindle microtubule
F0005929cellular_componentcilium
F0008076cellular_componentvoltage-gated potassium channel complex
F0008179molecular_functionadenylate cyclase binding
F0010856molecular_functionadenylate cyclase activator activity
F0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
F0010881biological_processregulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
F0016020cellular_componentmembrane
F0016240biological_processautophagosome membrane docking
F0019855molecular_functioncalcium channel inhibitor activity
F0019901molecular_functionprotein kinase binding
F0019904molecular_functionprotein domain specific binding
F0030017cellular_componentsarcomere
F0030235molecular_functionnitric-oxide synthase regulator activity
F0030426cellular_componentgrowth cone
F0030672cellular_componentsynaptic vesicle membrane
F0031432molecular_functiontitin binding
F0031514cellular_componentmotile cilium
F0031800molecular_functiontype 3 metabotropic glutamate receptor binding
F0031966cellular_componentmitochondrial membrane
F0031982cellular_componentvesicle
F0032465biological_processregulation of cytokinesis
F0032991cellular_componentprotein-containing complex
F0034704cellular_componentcalcium channel complex
F0035458biological_processcellular response to interferon-beta
F0042995cellular_componentcell projection
F0043209cellular_componentmyelin sheath
F0043539molecular_functionprotein serine/threonine kinase activator activity
F0043548molecular_functionphosphatidylinositol 3-kinase binding
F0044305cellular_componentcalyx of Held
F0044325molecular_functiontransmembrane transporter binding
F0046427biological_processpositive regulation of receptor signaling pathway via JAK-STAT
F0046872molecular_functionmetal ion binding
F0048306molecular_functioncalcium-dependent protein binding
F0050848biological_processregulation of calcium-mediated signaling
F0050998molecular_functionnitric-oxide synthase binding
F0051592biological_processresponse to calcium ion
F0055117biological_processregulation of cardiac muscle contraction
F0060314biological_processregulation of ryanodine-sensitive calcium-release channel activity
F0060315biological_processnegative regulation of ryanodine-sensitive calcium-release channel activity
F0071346biological_processcellular response to type II interferon
F0072542molecular_functionprotein phosphatase activator activity
F0090150biological_processestablishment of protein localization to membrane
F0090151biological_processestablishment of protein localization to mitochondrial membrane
F0097225cellular_componentsperm midpiece
F0097720biological_processcalcineurin-mediated signaling
F0098685cellular_componentSchaffer collateral - CA1 synapse
F0098901biological_processregulation of cardiac muscle cell action potential
F0099523cellular_componentpresynaptic cytosol
F0099524cellular_componentpostsynaptic cytosol
F0140056biological_processorganelle localization by membrane tethering
F0140238biological_processpresynaptic endocytosis
F0141110molecular_functiontransporter inhibitor activity
F1900242biological_processregulation of synaptic vesicle endocytosis
F1902494cellular_componentcatalytic complex
F1905913biological_processnegative regulation of calcium ion export across plasma membrane
F1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
F2000300biological_processregulation of synaptic vesicle exocytosis
G0000086biological_processG2/M transition of mitotic cell cycle
G0000922cellular_componentspindle pole
G0001975biological_processresponse to amphetamine
G0002027biological_processregulation of heart rate
G0005246molecular_functioncalcium channel regulator activity
G0005509molecular_functioncalcium ion binding
G0005513biological_processdetection of calcium ion
G0005515molecular_functionprotein binding
G0005654cellular_componentnucleoplasm
G0005737cellular_componentcytoplasm
G0005739cellular_componentmitochondrion
G0005813cellular_componentcentrosome
G0005819cellular_componentspindle
G0005829cellular_componentcytosol
G0005856cellular_componentcytoskeleton
G0005876cellular_componentspindle microtubule
G0005929cellular_componentcilium
G0008076cellular_componentvoltage-gated potassium channel complex
G0008179molecular_functionadenylate cyclase binding
G0010856molecular_functionadenylate cyclase activator activity
G0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
G0010881biological_processregulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
G0016020cellular_componentmembrane
G0016240biological_processautophagosome membrane docking
G0019855molecular_functioncalcium channel inhibitor activity
G0019901molecular_functionprotein kinase binding
G0019904molecular_functionprotein domain specific binding
G0030017cellular_componentsarcomere
G0030235molecular_functionnitric-oxide synthase regulator activity
G0030426cellular_componentgrowth cone
G0030672cellular_componentsynaptic vesicle membrane
G0031432molecular_functiontitin binding
G0031514cellular_componentmotile cilium
G0031800molecular_functiontype 3 metabotropic glutamate receptor binding
G0031966cellular_componentmitochondrial membrane
G0031982cellular_componentvesicle
G0032465biological_processregulation of cytokinesis
G0032991cellular_componentprotein-containing complex
G0034704cellular_componentcalcium channel complex
G0035458biological_processcellular response to interferon-beta
G0042995cellular_componentcell projection
G0043209cellular_componentmyelin sheath
G0043539molecular_functionprotein serine/threonine kinase activator activity
G0043548molecular_functionphosphatidylinositol 3-kinase binding
G0044305cellular_componentcalyx of Held
G0044325molecular_functiontransmembrane transporter binding
G0046427biological_processpositive regulation of receptor signaling pathway via JAK-STAT
G0046872molecular_functionmetal ion binding
G0048306molecular_functioncalcium-dependent protein binding
G0050848biological_processregulation of calcium-mediated signaling
G0050998molecular_functionnitric-oxide synthase binding
G0051592biological_processresponse to calcium ion
G0055117biological_processregulation of cardiac muscle contraction
G0060314biological_processregulation of ryanodine-sensitive calcium-release channel activity
G0060315biological_processnegative regulation of ryanodine-sensitive calcium-release channel activity
G0071346biological_processcellular response to type II interferon
G0072542molecular_functionprotein phosphatase activator activity
G0090150biological_processestablishment of protein localization to membrane
G0090151biological_processestablishment of protein localization to mitochondrial membrane
G0097225cellular_componentsperm midpiece
G0097720biological_processcalcineurin-mediated signaling
G0098685cellular_componentSchaffer collateral - CA1 synapse
G0098901biological_processregulation of cardiac muscle cell action potential
G0099523cellular_componentpresynaptic cytosol
G0099524cellular_componentpostsynaptic cytosol
G0140056biological_processorganelle localization by membrane tethering
G0140238biological_processpresynaptic endocytosis
G0141110molecular_functiontransporter inhibitor activity
G1900242biological_processregulation of synaptic vesicle endocytosis
G1902494cellular_componentcatalytic complex
G1905913biological_processnegative regulation of calcium ion export across plasma membrane
G1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
G2000300biological_processregulation of synaptic vesicle exocytosis
H0000086biological_processG2/M transition of mitotic cell cycle
H0000922cellular_componentspindle pole
H0001975biological_processresponse to amphetamine
H0002027biological_processregulation of heart rate
H0005246molecular_functioncalcium channel regulator activity
H0005509molecular_functioncalcium ion binding
H0005513biological_processdetection of calcium ion
H0005515molecular_functionprotein binding
H0005654cellular_componentnucleoplasm
H0005737cellular_componentcytoplasm
H0005739cellular_componentmitochondrion
H0005813cellular_componentcentrosome
H0005819cellular_componentspindle
H0005829cellular_componentcytosol
H0005856cellular_componentcytoskeleton
H0005876cellular_componentspindle microtubule
H0005929cellular_componentcilium
H0008076cellular_componentvoltage-gated potassium channel complex
H0008179molecular_functionadenylate cyclase binding
H0010856molecular_functionadenylate cyclase activator activity
H0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
H0010881biological_processregulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
H0016020cellular_componentmembrane
H0016240biological_processautophagosome membrane docking
H0019855molecular_functioncalcium channel inhibitor activity
H0019901molecular_functionprotein kinase binding
H0019904molecular_functionprotein domain specific binding
H0030017cellular_componentsarcomere
H0030235molecular_functionnitric-oxide synthase regulator activity
H0030426cellular_componentgrowth cone
H0030672cellular_componentsynaptic vesicle membrane
H0031432molecular_functiontitin binding
H0031514cellular_componentmotile cilium
H0031800molecular_functiontype 3 metabotropic glutamate receptor binding
H0031966cellular_componentmitochondrial membrane
H0031982cellular_componentvesicle
H0032465biological_processregulation of cytokinesis
H0032991cellular_componentprotein-containing complex
H0034704cellular_componentcalcium channel complex
H0035458biological_processcellular response to interferon-beta
H0042995cellular_componentcell projection
H0043209cellular_componentmyelin sheath
H0043539molecular_functionprotein serine/threonine kinase activator activity
H0043548molecular_functionphosphatidylinositol 3-kinase binding
H0044305cellular_componentcalyx of Held
H0044325molecular_functiontransmembrane transporter binding
H0046427biological_processpositive regulation of receptor signaling pathway via JAK-STAT
H0046872molecular_functionmetal ion binding
H0048306molecular_functioncalcium-dependent protein binding
H0050848biological_processregulation of calcium-mediated signaling
H0050998molecular_functionnitric-oxide synthase binding
H0051592biological_processresponse to calcium ion
H0055117biological_processregulation of cardiac muscle contraction
H0060314biological_processregulation of ryanodine-sensitive calcium-release channel activity
H0060315biological_processnegative regulation of ryanodine-sensitive calcium-release channel activity
H0071346biological_processcellular response to type II interferon
H0072542molecular_functionprotein phosphatase activator activity
H0090150biological_processestablishment of protein localization to membrane
H0090151biological_processestablishment of protein localization to mitochondrial membrane
H0097225cellular_componentsperm midpiece
H0097720biological_processcalcineurin-mediated signaling
H0098685cellular_componentSchaffer collateral - CA1 synapse
H0098901biological_processregulation of cardiac muscle cell action potential
H0099523cellular_componentpresynaptic cytosol
H0099524cellular_componentpostsynaptic cytosol
H0140056biological_processorganelle localization by membrane tethering
H0140238biological_processpresynaptic endocytosis
H0141110molecular_functiontransporter inhibitor activity
H1900242biological_processregulation of synaptic vesicle endocytosis
H1902494cellular_componentcatalytic complex
H1905913biological_processnegative regulation of calcium ion export across plasma membrane
H1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
H2000300biological_processregulation of synaptic vesicle exocytosis
Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
EASP20-LEU32
EASP56-PHE68
EASP93-LEU105
EASP129-PHE141

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:11323678, ECO:0000269|PubMed:23109337, ECO:0000269|PubMed:3145979, ECO:0007744|PDB:1G4Y, ECO:0007744|PDB:1NIW, ECO:0007744|PDB:2HQW, ECO:0007744|PDB:2YGG, ECO:0007744|PDB:3B32, ECO:0007744|PDB:3BXK, ECO:0007744|PDB:3BXL, ECO:0007744|PDB:3CLN, ECO:0007744|PDB:3IFK, ECO:0007744|PDB:3SJQ, ECO:0007744|PDB:4EHQ, ECO:0007744|PDB:4G27, ECO:0007744|PDB:4G28, ECO:0007744|PDB:4I2Y, ECO:0007744|PDB:4J9Y, ECO:0007744|PDB:4J9Z, ECO:0007744|PDB:4QNH
ChainResidueDetails
EASP20
FGLU31
GASP20
GASP22
GASP24
GTHR26
GGLU31
HASP20
HASP22
HASP24
HTHR26
EASP22
HGLU31
EASP24
ETHR26
EGLU31
FASP20
FASP22
FASP24
FTHR26

site_idSWS_FT_FI2
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:11323678, ECO:0000269|PubMed:23109337, ECO:0000269|PubMed:3145979, ECO:0007744|PDB:1G4Y, ECO:0007744|PDB:1NIW, ECO:0007744|PDB:2HQW, ECO:0007744|PDB:2YGG, ECO:0007744|PDB:3B32, ECO:0007744|PDB:3BXK, ECO:0007744|PDB:3BXL, ECO:0007744|PDB:3CLN, ECO:0007744|PDB:3EK4, ECO:0007744|PDB:3EK7, ECO:0007744|PDB:3EK8, ECO:0007744|PDB:3EKH, ECO:0007744|PDB:3EVR, ECO:0007744|PDB:3EVU, ECO:0007744|PDB:3IFK, ECO:0007744|PDB:3SG2, ECO:0007744|PDB:3SG3, ECO:0007744|PDB:3SG4, ECO:0007744|PDB:3SG5, ECO:0007744|PDB:3SG6, ECO:0007744|PDB:3SG7, ECO:0007744|PDB:3SJQ, ECO:0007744|PDB:3WLC, ECO:0007744|PDB:3WLD, ECO:0007744|PDB:4EHQ, ECO:0007744|PDB:4G27, ECO:0007744|PDB:4G28, ECO:0007744|PDB:4I2Y, ECO:0007744|PDB:4J9Y, ECO:0007744|PDB:4J9Z, ECO:0007744|PDB:4QNH
ChainResidueDetails
EASP56
FGLU67
GASP56
GASP58
GASN60
GTHR62
GGLU67
HASP56
HASP58
HASN60
HTHR62
EASP58
HGLU67
EASN60
ETHR62
EGLU67
FASP56
FASP58
FASN60
FTHR62

site_idSWS_FT_FI3
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:23109337, ECO:0000269|PubMed:3145979, ECO:0007744|PDB:1NIW, ECO:0007744|PDB:2HQW, ECO:0007744|PDB:2YGG, ECO:0007744|PDB:3BXK, ECO:0007744|PDB:3BXL, ECO:0007744|PDB:3CLN, ECO:0007744|PDB:3EK4, ECO:0007744|PDB:3EK7, ECO:0007744|PDB:3EK8, ECO:0007744|PDB:3EKH, ECO:0007744|PDB:3EVR, ECO:0007744|PDB:3EVU, ECO:0007744|PDB:3SG2, ECO:0007744|PDB:3SG3, ECO:0007744|PDB:3SG4, ECO:0007744|PDB:3SG5, ECO:0007744|PDB:3SG6, ECO:0007744|PDB:3SG7, ECO:0007744|PDB:3SJQ, ECO:0007744|PDB:3WLC, ECO:0007744|PDB:3WLD, ECO:0007744|PDB:4EHQ, ECO:0007744|PDB:4I2Y, ECO:0007744|PDB:4RJD
ChainResidueDetails
EASP93
FGLU104
GASP93
GASP95
GASN97
GTYR99
GGLU104
HASP93
HASP95
HASN97
HTYR99
EASP95
HGLU104
EASN97
ETYR99
EGLU104
FASP93
FASP95
FASN97
FTYR99

site_idSWS_FT_FI4
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:23109337, ECO:0000269|PubMed:3145979, ECO:0007744|PDB:1NIW, ECO:0007744|PDB:2HQW, ECO:0007744|PDB:2YGG, ECO:0007744|PDB:3BXK, ECO:0007744|PDB:3BXL, ECO:0007744|PDB:3CLN, ECO:0007744|PDB:3EK7, ECO:0007744|PDB:3EK8, ECO:0007744|PDB:3EKH, ECO:0007744|PDB:3EVR, ECO:0007744|PDB:3EVU, ECO:0007744|PDB:3SG2, ECO:0007744|PDB:3SG3, ECO:0007744|PDB:3SG4, ECO:0007744|PDB:3SG5, ECO:0007744|PDB:3SG7, ECO:0007744|PDB:3SJQ, ECO:0007744|PDB:3WLC, ECO:0007744|PDB:3WLD, ECO:0007744|PDB:4EHQ, ECO:0007744|PDB:4I2Y, ECO:0007744|PDB:4RJD
ChainResidueDetails
EASP129
FGLU140
GASP129
GASP131
GASP133
GGLN135
GGLU140
HASP129
HASP131
HASP133
HGLN135
EASP131
HGLU140
EASP133
EGLN135
EGLU140
FASP129
FASP131
FASP133
FGLN135

site_idSWS_FT_FI5
Number of Residues4
DetailsMOD_RES: N6-acetyllysine; alternate => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ELYS21
FLYS21
GLYS21
HLYS21

site_idSWS_FT_FI6
Number of Residues4
DetailsMOD_RES: Phosphothreonine; by CaMK4 => ECO:0000269|PubMed:12392717
ChainResidueDetails
ETHR44
FTHR44
GTHR44
HTHR44

site_idSWS_FT_FI7
Number of Residues4
DetailsMOD_RES: Phosphoserine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ESER81
FSER81
GSER81
HSER81

site_idSWS_FT_FI8
Number of Residues4
DetailsMOD_RES: N6-acetyllysine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ELYS94
FLYS94
GLYS94
HLYS94

site_idSWS_FT_FI9
Number of Residues4
DetailsMOD_RES: Phosphotyrosine => ECO:0007744|PubMed:22673903
ChainResidueDetails
ETYR99
FTYR99
GTYR99
HTYR99

site_idSWS_FT_FI10
Number of Residues4
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:22673903
ChainResidueDetails
ESER101
FSER101
GSER101
HSER101

site_idSWS_FT_FI11
Number of Residues4
DetailsMOD_RES: Phosphothreonine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ETHR110
FTHR110
GTHR110
HTHR110

site_idSWS_FT_FI12
Number of Residues4
DetailsMOD_RES: N6-methyllysine; alternate => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ELYS115
FLYS115
GLYS115
HLYS115

site_idSWS_FT_FI13
Number of Residues4
DetailsMOD_RES: Phosphotyrosine => ECO:0000250|UniProtKB:P0DP23
ChainResidueDetails
ETYR138
FTYR138
GTYR138
HTYR138

site_idSWS_FT_FI14
Number of Residues8
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate => ECO:0000250|UniProtKB:P62157
ChainResidueDetails
ELYS21
FLYS21
GLYS21
HLYS21

237735

PDB entries from 2025-06-18

PDB statisticsPDBj update infoContact PDBjnumon