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8XO1

Human KCNQ2-CaM in complex with QO-83

This is a non-PDB format compatible entry.
Functional Information from GO Data
ChainGOidnamespacecontents
A0001508biological_processaction potential
A0005216molecular_functionmonoatomic ion channel activity
A0005249molecular_functionvoltage-gated potassium channel activity
A0005267molecular_functionpotassium channel activity
A0005515molecular_functionprotein binding
A0005516molecular_functioncalmodulin binding
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0006813biological_processpotassium ion transport
A0007268biological_processchemical synaptic transmission
A0007399biological_processnervous system development
A0008076cellular_componentvoltage-gated potassium channel complex
A0016020cellular_componentmembrane
A0022843molecular_functionvoltage-gated monoatomic cation channel activity
A0030506molecular_functionankyrin binding
A0033268cellular_componentnode of Ranvier
A0034220biological_processmonoatomic ion transmembrane transport
A0034702cellular_componentmonoatomic ion channel complex
A0043194cellular_componentaxon initial segment
A0045202cellular_componentsynapse
A0055085biological_processtransmembrane transport
A0071805biological_processpotassium ion transmembrane transport
B0001508biological_processaction potential
B0005216molecular_functionmonoatomic ion channel activity
B0005249molecular_functionvoltage-gated potassium channel activity
B0005267molecular_functionpotassium channel activity
B0005515molecular_functionprotein binding
B0005516molecular_functioncalmodulin binding
B0005886cellular_componentplasma membrane
B0006811biological_processmonoatomic ion transport
B0006813biological_processpotassium ion transport
B0007268biological_processchemical synaptic transmission
B0007399biological_processnervous system development
B0008076cellular_componentvoltage-gated potassium channel complex
B0016020cellular_componentmembrane
B0022843molecular_functionvoltage-gated monoatomic cation channel activity
B0030506molecular_functionankyrin binding
B0033268cellular_componentnode of Ranvier
B0034220biological_processmonoatomic ion transmembrane transport
B0034702cellular_componentmonoatomic ion channel complex
B0043194cellular_componentaxon initial segment
B0045202cellular_componentsynapse
B0055085biological_processtransmembrane transport
B0071805biological_processpotassium ion transmembrane transport
C0000086biological_processG2/M transition of mitotic cell cycle
C0000922cellular_componentspindle pole
C0002027biological_processregulation of heart rate
C0005246molecular_functioncalcium channel regulator activity
C0005509molecular_functioncalcium ion binding
C0005513biological_processdetection of calcium ion
C0005515molecular_functionprotein binding
C0005576cellular_componentextracellular region
C0005634cellular_componentnucleus
C0005654cellular_componentnucleoplasm
C0005737cellular_componentcytoplasm
C0005813cellular_componentcentrosome
C0005819cellular_componentspindle
C0005829cellular_componentcytosol
C0005856cellular_componentcytoskeleton
C0005876cellular_componentspindle microtubule
C0005886cellular_componentplasma membrane
C0005929cellular_componentcilium
C0007186biological_processG protein-coupled receptor signaling pathway
C0007259biological_processcell surface receptor signaling pathway via JAK-STAT
C0008076cellular_componentvoltage-gated potassium channel complex
C0010856molecular_functionadenylate cyclase activator activity
C0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
C0010881biological_processregulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
C0016020cellular_componentmembrane
C0016240biological_processautophagosome membrane docking
C0019855molecular_functioncalcium channel inhibitor activity
C0019901molecular_functionprotein kinase binding
C0021762biological_processsubstantia nigra development
C0030017cellular_componentsarcomere
C0030672cellular_componentsynaptic vesicle membrane
C0031432molecular_functiontitin binding
C0031514cellular_componentmotile cilium
C0031982cellular_componentvesicle
C0032465biological_processregulation of cytokinesis
C0032991cellular_componentprotein-containing complex
C0034704cellular_componentcalcium channel complex
C0035458biological_processcellular response to interferon-beta
C0042995cellular_componentcell projection
C0043209cellular_componentmyelin sheath
C0043539molecular_functionprotein serine/threonine kinase activator activity
C0044305cellular_componentcalyx of Held
C0044325molecular_functiontransmembrane transporter binding
C0046427biological_processpositive regulation of receptor signaling pathway via JAK-STAT
C0046872molecular_functionmetal ion binding
C0048306molecular_functioncalcium-dependent protein binding
C0050848biological_processregulation of calcium-mediated signaling
C0051592biological_processresponse to calcium ion
C0055117biological_processregulation of cardiac muscle contraction
C0060291biological_processlong-term synaptic potentiation
C0060314biological_processregulation of ryanodine-sensitive calcium-release channel activity
C0060315biological_processnegative regulation of ryanodine-sensitive calcium-release channel activity
C0071346biological_processcellular response to type II interferon
C0072542molecular_functionprotein phosphatase activator activity
C0097225cellular_componentsperm midpiece
C0097720biological_processcalcineurin-mediated signaling
C0098901biological_processregulation of cardiac muscle cell action potential
C0099523cellular_componentpresynaptic cytosol
C0140056biological_processorganelle localization by membrane tethering
C0140238biological_processpresynaptic endocytosis
C0141110molecular_functiontransporter inhibitor activity
C1901842biological_processnegative regulation of high voltage-gated calcium channel activity
C1901844biological_processregulation of cell communication by electrical coupling involved in cardiac conduction
C1902494cellular_componentcatalytic complex
C1905913biological_processnegative regulation of calcium ion export across plasma membrane
C1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
D0001508biological_processaction potential
D0005216molecular_functionmonoatomic ion channel activity
D0005249molecular_functionvoltage-gated potassium channel activity
D0005267molecular_functionpotassium channel activity
D0005515molecular_functionprotein binding
D0005516molecular_functioncalmodulin binding
D0005886cellular_componentplasma membrane
D0006811biological_processmonoatomic ion transport
D0006813biological_processpotassium ion transport
D0007268biological_processchemical synaptic transmission
D0007399biological_processnervous system development
D0008076cellular_componentvoltage-gated potassium channel complex
D0016020cellular_componentmembrane
D0022843molecular_functionvoltage-gated monoatomic cation channel activity
D0030506molecular_functionankyrin binding
D0033268cellular_componentnode of Ranvier
D0034220biological_processmonoatomic ion transmembrane transport
D0034702cellular_componentmonoatomic ion channel complex
D0043194cellular_componentaxon initial segment
D0045202cellular_componentsynapse
D0055085biological_processtransmembrane transport
D0071805biological_processpotassium ion transmembrane transport
E0000086biological_processG2/M transition of mitotic cell cycle
E0000922cellular_componentspindle pole
E0002027biological_processregulation of heart rate
E0005246molecular_functioncalcium channel regulator activity
E0005509molecular_functioncalcium ion binding
E0005513biological_processdetection of calcium ion
E0005515molecular_functionprotein binding
E0005576cellular_componentextracellular region
E0005634cellular_componentnucleus
E0005654cellular_componentnucleoplasm
E0005737cellular_componentcytoplasm
E0005813cellular_componentcentrosome
E0005819cellular_componentspindle
E0005829cellular_componentcytosol
E0005856cellular_componentcytoskeleton
E0005876cellular_componentspindle microtubule
E0005886cellular_componentplasma membrane
E0005929cellular_componentcilium
E0007186biological_processG protein-coupled receptor signaling pathway
E0007259biological_processcell surface receptor signaling pathway via JAK-STAT
E0008076cellular_componentvoltage-gated potassium channel complex
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
E0021762biological_processsubstantia nigra development
E0030017cellular_componentsarcomere
E0030672cellular_componentsynaptic vesicle membrane
E0031432molecular_functiontitin binding
E0031514cellular_componentmotile cilium
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
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
E0051592biological_processresponse to calcium ion
E0055117biological_processregulation of cardiac muscle contraction
E0060291biological_processlong-term synaptic potentiation
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
E0097225cellular_componentsperm midpiece
E0097720biological_processcalcineurin-mediated signaling
E0098901biological_processregulation of cardiac muscle cell action potential
E0099523cellular_componentpresynaptic cytosol
E0140056biological_processorganelle localization by membrane tethering
E0140238biological_processpresynaptic endocytosis
E0141110molecular_functiontransporter inhibitor activity
E1901842biological_processnegative regulation of high voltage-gated calcium channel activity
E1901844biological_processregulation of cell communication by electrical coupling involved in cardiac conduction
E1902494cellular_componentcatalytic complex
E1905913biological_processnegative regulation of calcium ion export across plasma membrane
E1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
F0001508biological_processaction potential
F0005216molecular_functionmonoatomic ion channel activity
F0005249molecular_functionvoltage-gated potassium channel activity
F0005267molecular_functionpotassium channel activity
F0005515molecular_functionprotein binding
F0005516molecular_functioncalmodulin binding
F0005886cellular_componentplasma membrane
F0006811biological_processmonoatomic ion transport
F0006813biological_processpotassium ion transport
F0007268biological_processchemical synaptic transmission
F0007399biological_processnervous system development
F0008076cellular_componentvoltage-gated potassium channel complex
F0016020cellular_componentmembrane
F0022843molecular_functionvoltage-gated monoatomic cation channel activity
F0030506molecular_functionankyrin binding
F0033268cellular_componentnode of Ranvier
F0034220biological_processmonoatomic ion transmembrane transport
F0034702cellular_componentmonoatomic ion channel complex
F0043194cellular_componentaxon initial segment
F0045202cellular_componentsynapse
F0055085biological_processtransmembrane transport
F0071805biological_processpotassium ion transmembrane transport
G0000086biological_processG2/M transition of mitotic cell cycle
G0000922cellular_componentspindle pole
G0002027biological_processregulation of heart rate
G0005246molecular_functioncalcium channel regulator activity
G0005509molecular_functioncalcium ion binding
G0005513biological_processdetection of calcium ion
G0005515molecular_functionprotein binding
G0005576cellular_componentextracellular region
G0005634cellular_componentnucleus
G0005654cellular_componentnucleoplasm
G0005737cellular_componentcytoplasm
G0005813cellular_componentcentrosome
G0005819cellular_componentspindle
G0005829cellular_componentcytosol
G0005856cellular_componentcytoskeleton
G0005876cellular_componentspindle microtubule
G0005886cellular_componentplasma membrane
G0005929cellular_componentcilium
G0007186biological_processG protein-coupled receptor signaling pathway
G0007259biological_processcell surface receptor signaling pathway via JAK-STAT
G0008076cellular_componentvoltage-gated potassium channel complex
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
G0021762biological_processsubstantia nigra development
G0030017cellular_componentsarcomere
G0030672cellular_componentsynaptic vesicle membrane
G0031432molecular_functiontitin binding
G0031514cellular_componentmotile cilium
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
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
G0051592biological_processresponse to calcium ion
G0055117biological_processregulation of cardiac muscle contraction
G0060291biological_processlong-term synaptic potentiation
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
G0097225cellular_componentsperm midpiece
G0097720biological_processcalcineurin-mediated signaling
G0098901biological_processregulation of cardiac muscle cell action potential
G0099523cellular_componentpresynaptic cytosol
G0140056biological_processorganelle localization by membrane tethering
G0140238biological_processpresynaptic endocytosis
G0141110molecular_functiontransporter inhibitor activity
G1901842biological_processnegative regulation of high voltage-gated calcium channel activity
G1901844biological_processregulation of cell communication by electrical coupling involved in cardiac conduction
G1902494cellular_componentcatalytic complex
G1905913biological_processnegative regulation of calcium ion export across plasma membrane
G1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
H0000086biological_processG2/M transition of mitotic cell cycle
H0000922cellular_componentspindle pole
H0002027biological_processregulation of heart rate
H0005246molecular_functioncalcium channel regulator activity
H0005509molecular_functioncalcium ion binding
H0005513biological_processdetection of calcium ion
H0005515molecular_functionprotein binding
H0005576cellular_componentextracellular region
H0005634cellular_componentnucleus
H0005654cellular_componentnucleoplasm
H0005737cellular_componentcytoplasm
H0005813cellular_componentcentrosome
H0005819cellular_componentspindle
H0005829cellular_componentcytosol
H0005856cellular_componentcytoskeleton
H0005876cellular_componentspindle microtubule
H0005886cellular_componentplasma membrane
H0005929cellular_componentcilium
H0007186biological_processG protein-coupled receptor signaling pathway
H0007259biological_processcell surface receptor signaling pathway via JAK-STAT
H0008076cellular_componentvoltage-gated potassium channel complex
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
H0021762biological_processsubstantia nigra development
H0030017cellular_componentsarcomere
H0030672cellular_componentsynaptic vesicle membrane
H0031432molecular_functiontitin binding
H0031514cellular_componentmotile cilium
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
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
H0051592biological_processresponse to calcium ion
H0055117biological_processregulation of cardiac muscle contraction
H0060291biological_processlong-term synaptic potentiation
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
H0097225cellular_componentsperm midpiece
H0097720biological_processcalcineurin-mediated signaling
H0098901biological_processregulation of cardiac muscle cell action potential
H0099523cellular_componentpresynaptic cytosol
H0140056biological_processorganelle localization by membrane tethering
H0140238biological_processpresynaptic endocytosis
H0141110molecular_functiontransporter inhibitor activity
H1901842biological_processnegative regulation of high voltage-gated calcium channel activity
H1901844biological_processregulation of cell communication by electrical coupling involved in cardiac conduction
H1902494cellular_componentcatalytic complex
H1905913biological_processnegative regulation of calcium ion export across plasma membrane
H1990456biological_processmitochondrion-endoplasmic reticulum membrane tethering
Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
HASP21-LEU33
HASP57-PHE69
HASP94-LEU106
HASP130-PHE142

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:1474585, ECO:0000269|PubMed:25441029, ECO:0000269|PubMed:27564677, ECO:0007744|PDB:1CLL, ECO:0007744|PDB:4UMO, ECO:0007744|PDB:4V0C, ECO:0007744|PDB:5J03
ChainResidueDetails
HASP21
HGLU68
CASP21
CASP23
CASP25
CTHR27
CGLU32
CASP57
CASP59
CASN61
CTHR63
HASP23
CGLU68
EASP21
EASP23
EASP25
ETHR27
EGLU32
EASP57
EASP59
EASN61
ETHR63
HASP25
EGLU68
GASP21
GASP23
GASP25
GTHR27
GGLU32
GASP57
GASP59
GASN61
GTHR63
HTHR27
GGLU68
HGLU32
HASP57
HASP59
HASN61
HTHR63

site_idSWS_FT_FI2
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:1474585, ECO:0000269|PubMed:27564677, ECO:0000269|PubMed:29724949, ECO:0007744|PDB:1CLL, ECO:0007744|PDB:5J03, ECO:0007744|PDB:6CNN, ECO:0007744|PDB:6CNO
ChainResidueDetails
HASP94
CGLU105
EASP94
EASP96
EASN98
ETYR100
EGLU105
GASP94
GASP96
GASN98
GTYR100
HASP96
GGLU105
HASN98
HTYR100
HGLU105
CASP94
CASP96
CASN98
CTYR100

site_idSWS_FT_FI3
Number of Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:1474585, ECO:0000269|PubMed:27564677, ECO:0007744|PDB:1CLL, ECO:0007744|PDB:5J03
ChainResidueDetails
HASP130
CGLU141
EASP130
EASP132
EASP134
EGLN136
EGLU141
GASP130
GASP132
GASP134
GGLN136
HASP132
GGLU141
HASP134
HGLN136
HGLU141
CASP130
CASP132
CASP134
CGLN136

site_idSWS_FT_FI4
Number of Residues4
DetailsMOD_RES: N-acetylalanine => ECO:0000269|PubMed:7093203, ECO:0000269|Ref.7, ECO:0007744|PubMed:19413330, ECO:0007744|PubMed:22223895, ECO:0007744|PubMed:22814378, ECO:0007744|PubMed:25944712
ChainResidueDetails
HALA2
CALA2
EALA2
GALA2

site_idSWS_FT_FI5
Number of Residues4
DetailsMOD_RES: N6-acetyllysine; alternate => ECO:0007744|PubMed:19608861
ChainResidueDetails
HLYS22
CLYS22
ELYS22
GLYS22

site_idSWS_FT_FI6
Number of Residues4
DetailsMOD_RES: Phosphothreonine; by CaMK4 => ECO:0000250|UniProtKB:P0DP29
ChainResidueDetails
HTHR45
CTHR45
ETHR45
GTHR45

site_idSWS_FT_FI7
Number of Residues4
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:23186163
ChainResidueDetails
HSER82
CSER82
ESER82
GSER82

site_idSWS_FT_FI8
Number of Residues4
DetailsMOD_RES: N6-acetyllysine => ECO:0007744|PubMed:19608861
ChainResidueDetails
HLYS95
CLYS95
ELYS95
GLYS95

site_idSWS_FT_FI9
Number of Residues4
DetailsMOD_RES: Phosphotyrosine => ECO:0007744|PubMed:18669648, ECO:0007744|PubMed:19690332
ChainResidueDetails
HTYR100
CTYR100
ETYR100
GTYR100

site_idSWS_FT_FI10
Number of Residues4
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:21406692, ECO:0007744|PubMed:23186163, ECO:0007744|PubMed:24275569
ChainResidueDetails
HSER102
CSER102
ESER102
GSER102
DARG214
DLYS327
FARG214
FLYS327

site_idSWS_FT_FI11
Number of Residues4
DetailsMOD_RES: Phosphothreonine => ECO:0007744|PubMed:24275569
ChainResidueDetails
HTHR111
CTHR111
ETHR111
GTHR111

site_idSWS_FT_FI12
Number of Residues4
DetailsMOD_RES: N6-methyllysine; alternate => ECO:0007744|PubMed:24129315
ChainResidueDetails
HLYS116
CLYS116
ELYS116
GLYS116

site_idSWS_FT_FI13
Number of Residues4
DetailsMOD_RES: Phosphotyrosine => ECO:0007744|PubMed:19690332
ChainResidueDetails
HTYR139
CTYR139
ETYR139
GTYR139

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
HLYS22
BSER478
DSER466
DSER468
DSER472
DSER476
DSER478
FSER466
FSER468
FSER472
FSER476
ASER468
FSER478
CLYS22
ASER476
ELYS22
BSER466
GLYS22
BSER472
BSER476

site_idSWS_FT_FI15
Number of Residues16
DetailsMOD_RES: Phosphoserine => ECO:0000250|UniProtKB:O88943
ChainResidueDetails
ASER507
DSER672
DSER801
DSER803
FSER507
FSER672
FSER801
FSER803
ASER672
ASER801
ASER803
BSER507
BSER672
BSER801
BSER803
DSER507

237423

PDB entries from 2025-06-11

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