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5I0I

Crystal structure of myosin X motor domain with 2IQ motifs in pre-powerstroke state

Functional Information from GO Data
ChainGOidnamespacecontents
A0003774molecular_functioncytoskeletal motor activity
A0005524molecular_functionATP binding
A0016459cellular_componentmyosin complex
B0003774molecular_functioncytoskeletal motor activity
B0005524molecular_functionATP binding
B0016459cellular_componentmyosin complex
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
C0005876cellular_componentspindle microtubule
C0005886cellular_componentplasma membrane
C0007186biological_processG protein-coupled receptor signaling pathway
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
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
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
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
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
E0005876cellular_componentspindle microtubule
E0005886cellular_componentplasma membrane
E0007186biological_processG protein-coupled receptor signaling pathway
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
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
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
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
G0005509molecular_functioncalcium ion binding
I0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue MPO A 901
ChainResidue
ATYR141
ATRP145
AGLN231
ALYS232
CHIS107

site_idAC2
Number of Residues6
Detailsbinding site for residue MG A 902
ChainResidue
AHOH1001
AHOH1006
ATHR164
ASER219
AVO4903
AADP904

site_idAC3
Number of Residues11
Detailsbinding site for residue VO4 A 903
ChainResidue
ASER159
AGLY160
ALYS163
AASN215
ASER218
ASER219
AGLY437
AMG902
AADP904
AHOH1001
AHOH1006

site_idAC4
Number of Residues16
Detailsbinding site for residue ADP A 904
ChainResidue
AASN104
APRO105
ATYR106
AGLN107
ATYR113
AGLY160
AALA161
AGLY162
ALYS163
ATHR164
AGLU165
AASN215
AMG902
AVO4903
AHOH1001
AHOH1006

site_idAC5
Number of Residues4
Detailsbinding site for residue SO4 A 905
ChainResidue
ATYR243
ALEU244
APHE615
ASER618

site_idAC6
Number of Residues2
Detailsbinding site for residue SO4 A 906
ChainResidue
AHIS287
AARG398

site_idAC7
Number of Residues4
Detailsbinding site for residue SO4 A 907
ChainResidue
AARG239
ATYR243
ATHR625
AHOH1008

site_idAC8
Number of Residues6
Detailsbinding site for residue SO4 A 908
ChainResidue
AALA529
AASN530
AASN531
AHIS532
ATYR534
ALYS547

site_idAC9
Number of Residues2
Detailsbinding site for residue MPO B 901
ChainResidue
BGLN231
BLYS232

site_idAD1
Number of Residues6
Detailsbinding site for residue MG B 902
ChainResidue
BTHR164
BSER219
BADP903
BVO4904
BHOH1001
BHOH1003

site_idAD2
Number of Residues16
Detailsbinding site for residue ADP B 903
ChainResidue
BASN104
BPRO105
BTYR106
BGLN107
BTYR113
BGLY160
BALA161
BGLY162
BLYS163
BTHR164
BGLU165
BASN215
BMG902
BVO4904
BHOH1001
BHOH1003

site_idAD3
Number of Residues11
Detailsbinding site for residue VO4 B 904
ChainResidue
BSER159
BGLY160
BLYS163
BASN215
BSER218
BSER219
BGLY437
BMG902
BADP903
BHOH1001
BHOH1003

site_idAD4
Number of Residues4
Detailsbinding site for residue SO4 B 905
ChainResidue
BTYR243
BLEU244
BPHE615
BSER618

site_idAD5
Number of Residues5
Detailsbinding site for residue SO4 C 201
ChainResidue
BLYS736
CASP56
CASN60
CTHR62
CGLU67

site_idAD6
Number of Residues6
Detailsbinding site for residue SO4 E 201
ChainResidue
EVAL55
EASP56
EASN60
ETHR62
EGLU67
ALYS736

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
EASP20-LEU32
IASP93-LEU105
IASP129-PHE141
EASP56-PHE68
EASP93-LEU105
EASP129-PHE141
GASP93-LEU105
CASP20-LEU32
CASP56-PHE68
CASP93-LEU105
CASP129-PHE141

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1352
DetailsDomain: {"description":"Myosin motor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00782","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues42
DetailsDomain: {"description":"IQ 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00116","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues44
DetailsRegion: {"description":"Actin-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00782","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"PDB","id":"5I0H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5I0I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues70
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues70
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues70
DetailsDomain: {"description":"EF-hand 3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1474585","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25441029","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27564677","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1CLL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4UMO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4V0C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J03","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1474585","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27564677","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29724949","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1CLL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J03","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6CNN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6CNO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues15
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1474585","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27564677","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1CLL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J03","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by CaMK4","evidences":[{"source":"UniProtKB","id":"P0DP29","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues4
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues3
DetailsModified residue: {"description":"N6-methyllysine; alternate","evidences":[{"source":"PubMed","id":"24129315","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues3
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate","evidences":[{"source":"UniProtKB","id":"P62157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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