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MYH9 MYH9 MYL10 MYL10 MYL7 MYL7 ACTA2 ACTA2 MYH1 MYH1 MYL2 MYL2 TNNC1 TNNC1 MYOT MYOT CNN1 CNN1 MYH4 MYH4 MYH15 MYH15 MYLK4 MYLK4 MYL9 MYL9 KLHL40 KLHL40 ACTC1 ACTC1 MYOZ3 MYOZ3 ANKRD2 ANKRD2 MYOZ2 MYOZ2 MYL1 MYL1 TCAP TCAP CALML3 CALML3 MYLPF MYLPF TNNI3 TNNI3 MYL4 MYL4 MYH7 MYH7 MYOM1 MYOM1 MYBPC2 MYBPC2 TPM1 TPM1 MYPN MYPN MYOZ1 MYOZ1 MYLK MYLK MYH10 MYH10 TNNI1 TNNI1 CALD1 CALD1 ACTN2 ACTN2 LMOD1 LMOD1 NRAP NRAP ANKRD1 ANKRD1 TNNC2 TNNC2 ITGB1BP2 ITGB1BP2 MYOM3 MYOM3 MYLK2 MYLK2 NEBL NEBL SMPX SMPX TNNT3 TNNT3 TNNI2 TNNI2 TAGLN TAGLN MYLK3 MYLK3 PURB PURB MYH11 MYH11 MYH2 MYH2 MYL5 MYL5 MYH8 MYH8 MYH6 MYH6 ACTG2 ACTG2 KBTBD13 KBTBD13 KY KY MYBPC1 MYBPC1 LDB3 LDB3 MYH13 MYH13 LMOD2 LMOD2 LMOD3 LMOD3 ACTN3 ACTN3 CSRP3 CSRP3 MYBPC3 MYBPC3 MYL6 MYL6 MYL6B MYL6B MYL12B MYL12B MYH3 MYH3 MYL12A MYL12A TTN TTN TNNT1 TNNT1 MYH7B MYH7B NEB NEB MYH14 MYH14 TPM4 TPM4 TPM2 TPM2 MYL3 MYL3 TNNT2 TNNT2
Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
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empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
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MYH9Myosin-9; Cellular myosin that appears to play a role in cytokinesis, cell shape, and specialized functions such as secretion and capping. During cell spreading, plays an important role in cytoskeleton reorganization, focal contacts formation (in the margins but not the central part of spreading cells), and lamellipodial retraction; this function is mechanically antagonized by MYH10. (1960 aa)
MYL10Myosin light chain 10. (226 aa)
MYL7Myosin regulatory light chain 2, atrial isoform; Myosin light chain 7. (175 aa)
ACTA2Actin, aortic smooth muscle, intermediate form; Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells. (377 aa)
MYH1Myosin-1; Muscle contraction; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (1939 aa)
MYL2Myosin regulatory light chain 2, ventricular/cardiac muscle isoform; Contractile protein that plays a role in heart development and function (By similarity). Following phosphorylation, plays a role in cross-bridge cycling kinetics and cardiac muscle contraction by increasing myosin lever arm stiffness and promoting myosin head diffusion; as a consequence of the increase in maximum contraction force and calcium sensitivity of contraction force. These events altogether slow down myosin kinetics and prolong duty cycle resulting in accumulated myosins being cooperatively recruited to actin [...] (166 aa)
TNNC1Troponin C, slow skeletal and cardiac muscles; Troponin is the central regulatory protein of striated muscle contraction. Tn consists of three components: Tn-I which is the inhibitor of actomyosin ATPase, Tn-T which contains the binding site for tropomyosin and Tn-C. The binding of calcium to Tn-C abolishes the inhibitory action of Tn on actin filaments. (161 aa)
MYOTMyotilin; Component of a complex of multiple actin cross-linking proteins. Involved in the control of myofibril assembly and stability at the Z lines in muscle cells; Belongs to the myotilin/palladin family. (498 aa)
CNN1Calponin-1; Thin filament-associated protein that is implicated in the regulation and modulation of smooth muscle contraction. It is capable of binding to actin, calmodulin, troponin C and tropomyosin. The interaction of calponin with actin inhibits the actomyosin Mg-ATPase activity (By similarity). (297 aa)
MYH4Myosin-4; Muscle contraction. (1939 aa)
MYH15Myosin-15; Muscle contraction; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (1946 aa)
MYLK4Myosin light chain kinase family member 4. (388 aa)
MYL9Myosin regulatory light polypeptide 9; Myosin regulatory subunit that plays an important role in regulation of both smooth muscle and nonmuscle cell contractile activity via its phosphorylation. Implicated in cytokinesis, receptor capping, and cell locomotion. (172 aa)
KLHL40Kelch-like protein 40; Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex that acts as a key regulator of skeletal muscle development. The BCR(KLHL40) complex acts by mediating ubiquitination and degradation of TFDP1, thereby regulating the activity of the E2F:DP transcription factor complex (By similarity). Promotes stabilization of LMOD3 by acting as a negative regulator of LMOD3 ubiquitination; the molecular process by which it negatively regulates ubiquitination of LMOD3 is however unclear (By similarity). (621 aa)
ACTC1Actin, alpha cardiac muscle 1, intermediate form; Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells. (377 aa)
MYOZ3Myozenin-3; Myozenins may serve as intracellular binding proteins involved in linking Z line proteins such as alpha-actinin, gamma- filamin, TCAP/telethonin, LDB3/ZASP and localizing calcineurin signaling to the sarcomere. Plays an important role in the modulation of calcineurin signaling. May play a role in myofibrillogenesis. (251 aa)
ANKRD2Ankyrin repeat domain-containing protein 2; Functions as a negative regulator of myocyte differentiation. May interact with both sarcoplasmic structural proteins and nuclear proteins to regulate gene expression during muscle development and in response to muscle stress. (360 aa)
MYOZ2Myozenin-2; Myozenins may serve as intracellular binding proteins involved in linking Z line proteins such as alpha-actinin, gamma- filamin, TCAP/telethonin, LDB3/ZASP and localizing calcineurin signaling to the sarcomere. Plays an important role in the modulation of calcineurin signaling. May play a role in myofibrillogenesis. (264 aa)
MYL1Myosin light chain 1/3, skeletal muscle isoform; Non-regulatory myosin light chain required for proper formation and/or maintenance of myofibers, and thus appropriate muscle function. (194 aa)
TCAPTelethonin; Muscle assembly regulating factor. Mediates the antiparallel assembly of titin (TTN) molecules at the sarcomeric Z-disk. (167 aa)
CALML3Calmodulin-like protein 3; May function as a specific light chain of unconventional myosin-10 (MYO10), also enhances MYO10 translation, possibly by acting as a chaperone for the emerging MYO10 heavy chain protein. May compete with calmodulin by binding, with different affinities, to cellular substrates. (149 aa)
MYLPFMyosin light chain, phosphorylatable, fast skeletal muscle. (169 aa)
TNNI3Troponin I, cardiac muscle; Troponin I is the inhibitory subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (210 aa)
MYL4Myosin light chain 4; Regulatory light chain of myosin. Does not bind calcium. (197 aa)
MYH7Myosin-7; Myosins are actin-based motor molecules with ATPase activity essential for muscle contraction. Forms regular bipolar thick filaments that, together with actin thin filaments, constitute the fundamental contractile unit of skeletal and cardiac muscle. (1935 aa)
MYOM1Myomesin-1; Major component of the vertebrate myofibrillar M band. Binds myosin, titin, and light meromyosin. This binding is dose dependent. (1685 aa)
MYBPC2Myosin-binding protein C, fast-type; Thick filament-associated protein located in the crossbridge region of vertebrate striated muscle a bands. In vitro it binds MHC, F- actin and native thin filaments, and modifies the activity of actin- activated myosin ATPase. It may modulate muscle contraction or may play a more structural role; Belongs to the immunoglobulin superfamily. MyBP family. (1141 aa)
TPM1Tropomyosin alpha-1 chain; Binds to actin filaments in muscle and non-muscle cells. Plays a central role, in association with the troponin complex, in the calcium dependent regulation of vertebrate striated muscle contraction. Smooth muscle contraction is regulated by interaction with caldesmon. In non-muscle cells is implicated in stabilizing cytoskeleton actin filaments. (284 aa)
MYPNMyopalladin; Component of the sarcomere that tethers together nebulin (skeletal muscle) and nebulette (cardiac muscle) to alpha-actinin, at the Z lines; Belongs to the myotilin/palladin family. (1320 aa)
MYOZ1Myozenin-1; Myozenins may serve as intracellular binding proteins involved in linking Z-disk proteins such as alpha-actinin, gamma- filamin, TCAP/telethonin, LDB3/ZASP and localizing calcineurin signaling to the sarcomere. Plays an important role in the modulation of calcineurin signaling. May play a role in myofibrillogenesis. (299 aa)
MYLKMyosin light chain kinase, smooth muscle, deglutamylated form; Calcium/calmodulin-dependent myosin light chain kinase implicated in smooth muscle contraction via phosphorylation of myosin light chains (MLC). Also regulates actin-myosin interaction through a non-kinase activity. Phosphorylates PTK2B/PYK2 and myosin light-chains. Involved in the inflammatory response (e.g. apoptosis, vascular permeability, leukocyte diapedesis), cell motility and morphology, airway hyperreactivity and other activities relevant to asthma. Required for tonic airway smooth muscle contraction that is necessa [...] (1914 aa)
MYH10Myosin-10; Cellular myosin that appears to play a role in cytokinesis, cell shape, and specialized functions such as secretion and capping. Involved with LARP6 in the stabilization of type I collagen mRNAs for CO1A1 and CO1A2. During cell spreading, plays an important role in cytoskeleton reorganization, focal contacts formation (in the central part but not the margins of spreading cells), and lamellipodial extension; this function is mechanically antagonized by MYH9. Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (2007 aa)
TNNI1Troponin I, slow skeletal muscle; Troponin I is the inhibitory subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (187 aa)
CALD1Caldesmon; Actin- and myosin-binding protein implicated in the regulation of actomyosin interactions in smooth muscle and nonmuscle cells (could act as a bridge between myosin and actin filaments). Stimulates actin binding of tropomyosin which increases the stabilization of actin filament structure. In muscle tissues, inhibits the actomyosin ATPase by binding to F-actin. This inhibition is attenuated by calcium-calmodulin and is potentiated by tropomyosin. Interacts with actin, myosin, two molecules of tropomyosin and with calmodulin. Also plays an essential role during cellular mitosi [...] (793 aa)
ACTN2Alpha-actinin-2; F-actin cross-linking protein which is thought to anchor actin to a variety of intracellular structures. This is a bundling protein. (894 aa)
LMOD1Leiomodin-1; Mediates nucleation of actin filaments. Belongs to the tropomodulin family. (600 aa)
NRAPNebulin-related-anchoring protein; May be involved in anchoring the terminal actin filaments in the myofibril to the membrane and in transmitting tension from the myofibrils to the extracellular matrix. (1731 aa)
ANKRD1Ankyrin repeat domain-containing protein 1; May play an important role in endothelial cell activation. May act as a nuclear transcription factor that negatively regulates the expression of cardiac genes. Induction seems to be correlated with apoptotic cell death in hepatoma cells. (319 aa)
TNNC2Troponin C, skeletal muscle; Troponin is the central regulatory protein of striated muscle contraction. Tn consists of three components: Tn-I which is the inhibitor of actomyosin ATPase, Tn-T which contains the binding site for tropomyosin and Tn-C. The binding of calcium to Tn-C abolishes the inhibitory action of Tn on actin filaments. (160 aa)
ITGB1BP2Integrin beta-1-binding protein 2; May play a role during maturation and/or organization of muscles cells. (347 aa)
MYOM3Myomesin-3; May link the intermediate filament cytoskeleton to the M-disk of the myofibrils in striated muscle. (1437 aa)
MYLK2Myosin light chain kinase 2, skeletal/cardiac muscle; Implicated in the level of global muscle contraction and cardiac function. Phosphorylates a specific serine in the N-terminus of a myosin light chain; Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. (596 aa)
NEBLNebulette; Binds to actin and plays an important role in the assembly of the Z-disk. May functionally link sarcomeric actin to the desmin intermediate filaments in the heart muscle sarcomeres. Isoform 2 might play a role in the assembly of focal adhesion. (1014 aa)
SMPXSmall muscular protein; Plays a role in the regulatory network through which muscle cells coordinate their structural and functional states during growth, adaptation, and repair. (88 aa)
TNNT3Troponin T, fast skeletal muscle; Troponin T is the tropomyosin-binding subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (261 aa)
TNNI2Troponin I, fast skeletal muscle; Troponin I is the inhibitory subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (182 aa)
TAGLNTransgelin; Actin cross-linking/gelling protein (By similarity). Involved in calcium interactions and contractile properties of the cell that may contribute to replicative senescence; Belongs to the calponin family. (201 aa)
MYLK3Myosin light chain kinase 3; Kinase that phosphorylates MYL2 in vitro. Promotes sarcomere formation in cardiomyocytes and increases cardiomyocyte contractility (By similarity); Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. (819 aa)
PURBTranscriptional activator protein Pur-beta; Has capacity to bind repeated elements in single-stranded DNA such as the purine-rich single strand of the PUR element located upstream of the MYC gene. Plays a role in the control of vascular smooth muscle (VSM) alpha-actin gene transcription as repressor in myoblasts and fibroblasts. Participates in transcriptional and translational regulation of alpha-MHC expression in cardiac myocytes by binding to the purine-rich negative regulatory (PNR) element. Modulates constitutive liver galectin-3 gene transcription by binding to its promoter. May [...] (312 aa)
MYH11Myosin-11; Muscle contraction; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (1979 aa)
MYH2Myosin-2; Muscle contraction. Required for cytoskeleton organization (By similarity). (1941 aa)
MYL5Myosin light chain 5. (173 aa)
MYH8Myosin-8; Muscle contraction. (1937 aa)
MYH6Myosin-6; Muscle contraction; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (1939 aa)
ACTG2Actin, gamma-enteric smooth muscle, intermediate form; Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells; Belongs to the actin family. (376 aa)
KBTBD13Kelch repeat and BTB domain-containing protein 13; Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex. (458 aa)
KYKyphoscoliosis peptidase; Probable cytoskeleton-associated protease required for normal muscle growth. Involved in function, maturation and stabilization of the neuromuscular junction. May act by cleaving muscle-specific proteins such as FLNC (By similarity); Belongs to the transglutaminase-like superfamily. (661 aa)
MYBPC1Myosin-binding protein C, slow-type; Thick filament-associated protein located in the crossbridge region of vertebrate striated muscle a bands. In vitro it binds MHC, F- actin and native thin filaments, and modifies the activity of actin- activated myosin ATPase. It may modulate muscle contraction or may play a more structural role; Belongs to the immunoglobulin superfamily. MyBP family. (1173 aa)
LDB3LIM domain-binding protein 3; May function as an adapter in striated muscle to couple protein kinase C-mediated signaling via its LIM domains to the cytoskeleton. (732 aa)
MYH13Myosin-13; Fast twitching myosin mediating the high-velocity and low- tension contractions of specific striated muscles. (1938 aa)
LMOD2Leiomodin-2; Mediates nucleation of actin filaments and thereby promotes actin polymerization. Plays a role in the regulation of actin filament length (By similarity). Required for normal sarcomere organization in the heart, and for normal heart function. (547 aa)
LMOD3Leiomodin-3; Essential for the organization of sarcomeric actin thin filaments in skeletal muscle. Increases the rate of actin polymerization ; Belongs to the tropomodulin family. (560 aa)
ACTN3Alpha-actinin-3; F-actin cross-linking protein which is thought to anchor actin to a variety of intracellular structures. This is a bundling protein. (944 aa)
CSRP3Cysteine and glycine-rich protein 3; Positive regulator of myogenesis. Acts as cofactor for myogenic bHLH transcription factors such as MYOD1, and probably MYOG and MYF6. Enhances the DNA-binding activity of the MYOD1:TCF3 isoform E47 complex and may promote formation of a functional MYOD1:TCF3 isoform E47:MEF2A complex involved in myogenesis (By similarity). Plays a crucial and specific role in the organization of cytosolic structures in cardiomyocytes. Could play a role in mechanical stretch sensing. May be a scaffold protein that promotes the assembly of interacting proteins at Z-li [...] (194 aa)
MYBPC3Myosin-binding protein C, cardiac-type; Thick filament-associated protein located in the crossbridge region of vertebrate striated muscle a bands. In vitro it binds MHC, F- actin and native thin filaments, and modifies the activity of actin- activated myosin ATPase. It may modulate muscle contraction or may play a more structural role. (1274 aa)
MYL6Myosin light polypeptide 6; Regulatory light chain of myosin. Does not bind calcium. (151 aa)
MYL6BMyosin light chain 6B; Regulatory light chain of myosin. Does not bind calcium. (208 aa)
MYL12BMyosin regulatory light chain 12B; Myosin regulatory subunit that plays an important role in regulation of both smooth muscle and nonmuscle cell contractile activity via its phosphorylation. Phosphorylation triggers actin polymerization in vascular smooth muscle. Implicated in cytokinesis, receptor capping, and cell locomotion. (172 aa)
MYH3Myosin-3; Muscle contraction. (1940 aa)
MYL12AMyosin regulatory light chain 12A; Myosin regulatory subunit that plays an important role in regulation of both smooth muscle and nonmuscle cell contractile activity via its phosphorylation. Implicated in cytokinesis, receptor capping, and cell locomotion (By similarity). (177 aa)
TTNTitin; Key component in the assembly and functioning of vertebrate striated muscles. By providing connections at the level of individual microfilaments, it contributes to the fine balance of forces between the two halves of the sarcomere. The size and extensibility of the cross-links are the main determinants of sarcomere extensibility properties of muscle. In non-muscle cells, seems to play a role in chromosome condensation and chromosome segregation during mitosis. Might link the lamina network to chromatin or nuclear actin, or both during interphase; Belongs to the protein kinase su [...] (32000 aa)
TNNT1Troponin T, slow skeletal muscle; Troponin T is the tropomyosin-binding subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (278 aa)
MYH7BMyosin-7B; Involved in muscle contraction. (1983 aa)
NEBNebulin; This giant muscle protein may be involved in maintaining the structural integrity of sarcomeres and the membrane system associated with the myofibrils. Binds and stabilize F-actin. (8560 aa)
MYH14Myosin-14; Cellular myosin that appears to play a role in cytokinesis, cell shape, and specialized functions such as secretion and capping. (2036 aa)
TPM4Tropomyosin alpha-4 chain; Binds to actin filaments in muscle and non-muscle cells. Plays a central role, in association with the troponin complex, in the calcium dependent regulation of vertebrate striated muscle contraction. Smooth muscle contraction is regulated by interaction with caldesmon. In non-muscle cells is implicated in stabilizing cytoskeleton actin filaments (By similarity). Binds calcium. (284 aa)
TPM2Tropomyosin beta chain; Binds to actin filaments in muscle and non-muscle cells. Plays a central role, in association with the troponin complex, in the calcium dependent regulation of vertebrate striated muscle contraction. Smooth muscle contraction is regulated by interaction with caldesmon. In non-muscle cells is implicated in stabilizing cytoskeleton actin filaments. The non-muscle isoform may have a role in agonist-mediated receptor internalization. (284 aa)
MYL3Myosin light chain 3; Regulatory light chain of myosin. Does not bind calcium. (195 aa)
TNNT2Troponin T, cardiac muscle; Troponin T is the tropomyosin-binding subunit of troponin, the thin filament regulatory complex which confers calcium-sensitivity to striated muscle actomyosin ATPase activity. (298 aa)
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Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, human, man
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