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Actn Actn sty sty wupA wupA flr flr rols rols rt rt Prm Prm fliI fliI Col4a1 Col4a1 LanB1 LanB1 Bsg Bsg C1GalTA C1GalTA SelR SelR Act88F Act88F htl htl ball ball Zasp66 Zasp66 pnt pnt Mlc2 Mlc2 Lasp Lasp Zasp52 Zasp52 Dys Dys Unc-89 Unc-89 tn tn kon kon C3G C3G bt bt if if Mhc Mhc DAAM DAAM mask mask dia dia Dg Dg Mical Mical tmod tmod CG14964 CG14964 hts hts CanB2 CanB2 up up sd sd Zasp67 Zasp67 Smn Smn br br aop aop Mef2 Mef2 bru1 bru1 Rac1 Rac1 sls sls fln fln rhea rhea how how tw tw l(2)efl l(2)efl cher cher CG13366 CG13366 wap wap mys mys Scgdelta Scgdelta twi twi Mlp84B Mlp84B
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
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a 3D structure is known or predicted
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experimentally determined
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ActnAlpha-actinin, sarcomeric; Alpha actinin (Actn) encodes an actin cross-linking protein with muscle and non-muscle specific isoforms, which are produced by alternative spicing. The muscle isoform has a role in muscle development while the non-muscle isoform localizes to ovarian ring canals and has a role in cytoskeletal remodeling of follicle cells; Belongs to the alpha-actinin family. (917 aa)
styProtein sprouty; Inhibitor of tracheal branching that restricts branch budding by antagonizing the BNL-FGF pathway (BNL: branchless, an fgf inducer of branching). Acts as an antagonist of EGFR-mediated signaling in the eye (where it is important for cell determination) midline glia, chordotonal organs, wing and ovarian follicle cells. (589 aa)
wupAWings up A (wupA) encodes a cytoskeletal protein of the troponin complex of the muscle thin filament. It is involved in calcium-dependent regulation of muscle contraction, and in development of the embryonic heart, skeletal muscle and flight muscle It also contributes to non-muscle functions such as apico-basal polarity formation, nuclear division and maintenance of nuclear integrity. (269 aa)
flrActin-interacting protein 1; Induces disassembly of actin filaments in conjunction with ADF/cofilin family proteins. Essential for organismal and cell viability. Required for the development of normal wing cell planar polarity. (608 aa)
rolsRolling pebbles (rols) encodes a protein required for myoblast fusion in founder cells. it interacts with the membrane spanning Immunoglobulin superfamily protein encoded by kirre and with the product of Mhcl. (1900 aa)
rtProtein O-mannosyltransferase 1; Rotated abdomen (rt) encodes a protein that transfers a mannose to the Ser/Thr residues of the product of Dg, via forming an heterodimer with the product of tw. Its roles include myogenesis, muscle architecture and cell adhesion. (886 aa)
PrmParamyosin, long form; Paramyosin (Prm) encodes a muscle protein found only in invertebrates. It dimerizes into a coiled-coil that occupies the interior of the thick filament. Its role is thought to be structural, although it can be phosphorylated and this is important for muscle function. (879 aa)
fliIProtein flightless-1; May play a key role in embryonic cellularization by interacting with both the cytoskeleton and other cellular components. Alternatively, it may play a structural role in indirect flight muscle. Vital for embryonic development; Belongs to the villin/gelsolin family. (1256 aa)
Col4a1Collagen alpha-1(IV) chain; Collagen type IV alpha 1 (Col4a1) encodes a subunit of Collagen IV and a major component of basement membranes. It is required for muscle and epithelium integrity. (1779 aa)
LanB1LanB1 (LanB1) encodes a subunit of laminin, a heterotrimeric protein found in the extracellular matrix (ECM) and a major component of the basal lamina. Laminins interact with a variety of cell surface molecules such as integrin receptors and other secreted ECM components. It contributes to ECM organization, tissue adhesion, cell motility and developmental patterning. (1788 aa)
BsgBasigin, isoform G; Basigin (Bsg) encodes an IgG family glycoprotein that promotes cytoskeletal rearrangements and lamellipodia formation in cultured insect cells. It contributes to photoreceptor cell morphogenesis, sarcomere organization and spermatid development. (648 aa)
C1GalTAGlycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase 1; Core 1 Galactosyltransferase A (C1GalTA) encodes a protein that exhibits strong core 1beta1,3GalT activity, and is involved in the synthesis of T antigen in hemocytes. Its roles include hematopoietic stem cell maintenance, neural network and neuromuscular junction formation. (388 aa)
SelRMethionine-R-sulfoxide reductase B1; Methionine-sulfoxide reductase that specifically reduces methionine (R)-sulfoxide back to methionine. While in many cases methionine oxidation is the result of random oxidation following oxidative stress, methionine oxidation is also a post-translational modification that takes place on specific residues. Acts as a regulator of actin assembly by reducing methionine (R)-sulfoxide mediated by Mical on actin thereby promoting filament repolymerization. (208 aa)
Act88FActin, indirect flight muscle; Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells. Required for proper formation of indirect flight muscle (IFM) myofibrils; Belongs to the actin family. (376 aa)
htlFibroblast growth factor receptor homolog 1; Heartless (htl) encodes a transmembrane tyrosine kinase receptor for secreted FGF ligands that utilizes the intracellular Ras-MAP kinase pathway. It contributes to embryonic mesoderm migration and the specification of several mature mesodermal cell derivatives; Belongs to the protein kinase superfamily. Tyr protein kinase family. Fibroblast growth factor receptor subfamily. (729 aa)
ballNucleosomal histone kinase 1; Serine/threonine-protein kinase involved in somatic mitosis and female meiosis. Required for spindle organization in mitosis, and for the establishment or maintenance of meiosis- specific chromosomal configurations, including the prophase I karyosome and the metaphase I spindle. Specifically phosphorylates nucleosomal H2A on 'Thr-119'. Required for the development and organization of indirect flight muscle sarcomeres by regulating the formation of M line and H zone and the correct assembly of thick and thin filaments in the sarcomere. Belongs to the protei [...] (599 aa)
Zasp66Z band alternatively spliced PDZ-motif protein 66 (Zasp66) encodes a scaffold protein that binds the product of Actn and localizes to Z-discs in muscle cells. It plays a role in muscle development, especially in myofibril assembly. (430 aa)
pntETS-like protein pointed; ETS transcription factor with a prominent role during development of the eye and the nervous system. Required for glial- neuronal cell interactions at the ventral midline which are necessary for the proper elaboration of commissures in the embryonic CNS. [Isoform P1]: Required for normal EGFR-induced photoreceptor development. Following transcriptional activation by isoform P2, acts as a constitutive activator of transcription, leading to induction of target genes essential for photoreceptor development. In larval brains, involved in the maintenance of type II [...] (718 aa)
Mlc2Myosin light chain 2 (Mlc2) encodes a subunit of the myosin complex involved in myofibril assembly. It contributes to different flight-related processes including wing beat frequency, and indirect flight muscle contraction. (222 aa)
LaspLIM and SH3 domain protein Lasp; Lasp (Lasp) encodes a member of the nebulin family. It plays subtle roles in modulating the actin cytoskeleton in ovaries, testes, and muscles, by serving as a scaffold protein binding multiple partners, especially actin and myosin. In indirect flight muscles, it contributes to I-band and A-band architecture. (657 aa)
Zasp52Z band alternatively spliced PDZ-motif protein 52 (Zasp52) encodes a member of the Zasp protein family. It is a scaffold protein that binds the product of Actn and localizes to muscle attachment sites and Z-discs in muscle cells, as well as localizing cortically in non-muscle cells. It plays a role in muscle development, especially in myofibril assembly. (2194 aa)
DysDystrophin, isoforms A/C/F/G/H; Required for the maintenance of appropriate synaptic retrograde communication and the stabilization of muscle cell architecture or physiology. Both det and Dg are required for maintenance of early dpp signaling in the presumptive crossvein. Isoform A is not required to maintain muscle integrity, but plays a role in neuromuscular homeostasis by regulating neurotransmitter release. May play a role in anchoring the cytoskeleton to the plasma membrane. (3598 aa)
Unc-89Obscurin; Structural component of the muscle M line which is involved in assembly and organization of sarcomere. Required for the development and organization of indirect flight muscle sarcomeres by regulating the formation of M line and H zone and the correct assembly of thick and thin filaments in the sarcomere. Likely to have serine/threonine-protein kinase activity as one of the two protein kinase domains appears to be functional (Probable). (4218 aa)
tnThin, isoform C; Thin (tn) encodes a TRIM/RBCC protein involved in myofibril assembly and stability. (1517 aa)
konKon-tiki, isoform B; Kon-tiki (kon) (also known as perdido) encodes a single transmembrane protein required to initiate muscle-tendon attachment in a group of embryonic and adult body muscles. kon mutants are embryonic lethal with rounded ventral longitudinal muscles. It concentrates at muscle attachment sites and genetically interacts with integrins. (2381 aa)
C3GGuanine nucleotide-releasing factor 2; C3G guanyl-nucleotide exchange factor (C3G) is expressed in the developing embryonic muscles and its product plays a role in body wall muscle development during larval stages. (1571 aa)
btBent, isoform F; Bent (bt) encodes the protein Projectin, a large protein associated with myosin thick filaments in insect muscles that contributes to the stiffness of flight muscle. (8933 aa)
ifIntegrin alpha-PS2 heavy chain; Inflated (if) encodes one of five fly integrin alpha subunits, and when in a heterodimer with an integrin beta subunit makes a receptor for extracellular matrix proteins containing an RGD motif, such as those encoded by Tig, wb laminin and Tsp. It is required in numerous tissues for cell migration and adhesion between cell layers. (1396 aa)
MhcMyosin heavy chain (Mhc) encodes the motor protein that provides the force for muscle contraction through its ATP-dependent interaction with actin filaments. It functions with essential and regulatory light chains. (1962 aa)
DAAMDishevelled Associated Activator of Morphogenesis (DAAM) encodes a formin type of actin assembly factor regulated by Rho GTPases. It plays a role in tracheal tube length regulation, tracheal cuticle pattern formation, growth cone filopodia formation, sarcomerogenesis and axonal growth regulation in embryonic and mushroom body neurons. (1463 aa)
maskAnkyrin repeat and KH domain-containing protein mask; Mediator of receptor tyrosine kinase (RTK) signaling, and may act either downstream of MAPK or transduce signaling through a parallel branch of the RTK pathway. Required for the development and organization of indirect flight muscle sarcomeres by regulating the formation of M line and H zone and the correct assembly of thick and thin filaments in the sarcomere. (4010 aa)
diaProtein diaphanous; Required for cytokinesis in both mitosis and meiosis. Has a role in actin cytoskeleton organization and is essential for many, if not all, actin-mediated events involving membrane invagination. May serve as a mediator between signaling molecules and actin organizers at specific phases of the cell cycle. Possible component of the contractile ring or may control its function. (1098 aa)
DgDystroglycan, isoform D; Dystroglycan (Dg) encodes a major non-integrin extracellular matrix (ECM) receptor that connects the ECM to the actin cytoskeleton. It regulates animal survival and temperature preference, muscle integrity, myotendinous and neuromuscular junction formation and function, nervous system development, axon pathfinding, rhabdomere differentiation, neuronal stem cell division and epithelial polarity. (1262 aa)
Mical[F-actin]-monooxygenase Mical; Monooxygenase that promotes depolymerization of F-actin by mediating oxidation of specific methionine residues on actin. Acts by modifying actin subunits at 'Met-44' and 'Met-47' through the addition of oxygen to form methionine-sulfoxide, leading to promote actin filament disassembly and prevent repolymerization. Plays a key role in semaphorin-plexin repulsive axon guidance and cell morphological changes, probably via its ability to modify and regulate actin. Belongs to the Mical family. (4743 aa)
tmodTropomodulin, isoform N; Tropomodulin (tmod) encodes an actin/tropomyosin-associated protein involved in Notch signaling regulation. (567 aa)
CG14964Uncharacterized protein. (1443 aa)
htsHu li tai shao (hts) encodes an adducin homolog that is associated with the plasma membrane cytoskeleton, fusome and oocyte ring canals. It has essential functions in muscle, nerve and other tissues, and is required for fertility in males and females; Belongs to the aldolase class II family. Adducin subfamily. (1833 aa)
CanB2Calcineurin subunit B type 2; Calcineurin is a calcium-binding and calmodulin-binding protein found in all cells from yeast to mammals, and a calcium- dependent, calmodulin-stimulated protein phosphatase. (170 aa)
upTroponin T, skeletal muscle; Upheld (up) encodes the striated muscle protein Troponin T. Troponins T, C and I form a regulatory complex with Tropomyosin that is found at regular intervals along the thin (F-actin) filaments of the muscle sarcomere. (397 aa)
sdScalloped, isoform Q; Scalloped (sd) encodes a DNA binding protein of the TEAD class. It requires co-factor proteins ,such as the products of vg and yki, to act as a transcription factor, and is modified by Hippo and Wingless signalling. It is involved in wing and neuronal specification. (625 aa)
Zasp67Z band alternatively spliced PDZ-motif protein 67 (Zasp67) encodes a member of the Zasp protein family. It is expressed during pupal development and plays a role in adult muscle development, especially in myofibril assembly. (730 aa)
SmnSurvival motor neuron protein; The SMN complex plays an essential role in spliceosomal snRNP assembly in the cytoplasm, is required for pre-mRNA splicing in the nucleus and acts as a chaperone that discriminates target and non- target RNAs of Sm proteins. Required for normal expression of spliceosomal snRNAs and for U12 intron splicing. Required in cholinergic neurons, but not in motor neurons, to ensure correct splicing and proper levels of stas mRNA and normal neurotransmitter release by motor neurons. However, Smn is required in motor neurons, but not in cholinergic neurons, for nor [...] (226 aa)
brBroad-complex core protein isoform 6; Broad-complex proteins are required for puffing and transcription of salivary gland late genes during metamorphosis. (1011 aa)
aopEts DNA-binding protein pokkuri; Anterior open (aop) encodes a transcriptional repressor of the ETS family. It acts downstream of receptor tyrosine kinase signaling to regulate cell fate transitions critical to the development of many tissues including the nervous system, heart, trachea and eye. (732 aa)
Mef2Myocyte-specific enhancer factor 2; Transcription factor that could be a key player in early mesoderm differentiation and may be required for subsequent cell fate specifications within the somatic and visceral/heart mesodermal layers. Essential for myoblast fusion and consequently muscle formation in adults. During embryonic and pupal development, binds to the enhancer of the myoblast fusion gene sing and activates its transcription. Belongs to the MEF2 family. (606 aa)
bru1Bruno 1 (bru1) encodes an RNA binding protein acting in multiple forms of post-transcriptional gene regulation including repression and activation of translation and alternative splicing of pre-mRNAs. The product of bru1 is required for gametogenesis, developmental patterning, and muscle organization. (810 aa)
Rac1Ras-related protein Rac1; During various developmental processes, regulates changes in cell morphology in response to extracellular signals. During oogenesis, mediates signaling from the tyrosine kinase (RTK) chemoattractant receptors (Egfr and Pvr) to the guidance pathway that control the directional persistent collective migration of the border cell (BC) cluster through the nurse cells to the oocyte. Once activating by Pvr and Egfr, promotes the formation of forward-directed actin protrusions which stabilize the DE- cadherin (shg)-mediated adhesions. In turn, DE-mediated adhesion bet [...] (192 aa)
slsTitin; Key component in the assembly and functioning of adult and embryonic striated muscles and muscle tendons. 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. (18468 aa)
flnFlightin (fln) encodes an indirect flight muscle specific protein, not expressed in other muscle types. It is required for the correct assembly of the myosin thick filament during flight muscle development in pupae. fln null mutants cannot fly and show a progressive flight muscle loss as adults. This loss is most likely caused by uncontrolled hypercontraction. (182 aa)
rheaRhea, isoform B; Rhea (rhea) encodes fly talin, a large adaptor protein that is essential for all adhesive functions of integrins. It also has at least one role independent of integrins: repressing shg transcription in follicle cells. (2836 aa)
howProtein held out wings; Required for integrin-mediated cell-adhesion in wing blade. Vital role in steroid regulation of muscle development and to control heart rate. Required during embryogenesis, in late stages of somatic muscle development, for myotube migration and during metamorphosis for muscle reorganization. (418 aa)
twProtein O-mannosyl-transferase 2; Twisted (tw) encodes a protein that transfers a mannose to the Ser/Thr residues of dystroglycan, via forming an heterodimer with the product of rt. Its roles include myogenesis, muscle architecture and cell adhesion. (765 aa)
l(2)eflProtein lethal(2)essential for life; Vital role in embryonic development; Belongs to the small heat shock protein (HSP20) family. (187 aa)
cherFilamin-A; Cheerio (cher) encodes a dimeric F-actin crosslinking protein of the filamin protein family. It functions to organize the F-actin cytoskeleton in multiple contexts including ovarian germline ring canals, migrating somatic cells, and neuronal growth cones. (2429 aa)
CG13366FI18193p1. (1094 aa)
wapWings apart (wap) encodes a protein required for growth, viability, muscle development, and proper wing venation. It physically interacts with the product of ds, and functions in the Hippo pathway to regulate growth. (343 aa)
mysIntegrin beta-PS; Integrin alpha-PS1/beta-PS is a receptor for laminin. Integrin alpha-PS2/beta-PS is a receptor for Tig, wb and Ten-m. Contributes to endodermal integrity and adhesion between the midgut epithelium and the surrounding visceral muscle. Essential for migration of the primordial midgut cells and for maintaining, but not establishing, cell polarity in the midgut epithelium. The two beta subunits mediate midgut migration by distinct mechanisms: beta-PS requires rhea/talin and Itgbn does not. Required for rhea/talin correct cellular localization in the midgut. Required for m [...] (846 aa)
ScgdeltaGamma/delta-sarcoglycan-like protein SCG-GAMMA/DELTA; Sarcoglycan delta (Scgdelta) encodes a transmembrane protein that is required for normal muscle structure and function. It contributes to sarcomere organization and heart contraction. (404 aa)
twiTwist (twi) encodes a transcription factor required for mesoderm cell fate. The product of twi is essential for gastrulation, the development of mesodermal derivatives, including somatic and visceral muscle, fat body and maintenance of muscle stem cells. (490 aa)
Mlp84BMuscle LIM protein at 84B (Mlp84B) encodes a muscle cytoskeletal protein found primarily at the Z-line boundary. It maintains muscle structural integrity and regulates actin bundling. (495 aa)
Your Current Organism:
Drosophila melanogaster
NCBI taxonomy Id: 7227
Other names: D. melanogaster, Diptera sp. DNAS-2A9-224646, Sophophora melanogaster, fruit fly
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