Anaplastic lymphoma kinase (Alk) encodes a protein that employs Ras/ERK and PI3K signalling pathways to function in multiple contexts including embryonic visceral muscle development, growth and organ size regulation, retinal axon targeting, modulation of neuromuscular transmission as well as sleep regulation and olfactory learning. Its ligand is the secreted protein encoded by jeb.

Phosphoinositide 3-kinase, Dp110; Pi3K92E (Pi3K92E) encodes the catalytic subunit of a class I phosphatidylinositol 3-kinase that functions downstream of the product of InR and other receptors during several processes, including cell and tissue growth; Belongs to the PI3/PI4-kinase family.

Anaplastic lymphoma kinase (Alk) encodes a protein that employs Ras/ERK and PI3K signalling pathways to function in multiple contexts including embryonic visceral muscle development, growth and organ size regulation, retinal axon targeting, modulation of neuromuscular transmission as well as sleep regulation and olfactory learning. Its ligand is the secreted protein encoded by jeb.

Mitogen-activated protein kinase ERK-A; Serine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway to regulate poliferation, differentiation and effect cell fate decisions in various tissues. Required downstream of phl/Raf in the sev/sevenless, tor/torso, and EGF receptor homolog Egfr signal transduction pathways. Required for embryonic epithelial tissue repair. During larval development, mediates Ptth/tor signaling leading to the production of ecdysone, a hormone required for the initiation of metamorphosis.

Anaplastic lymphoma kinase (Alk) encodes a protein that employs Ras/ERK and PI3K signalling pathways to function in multiple contexts including embryonic visceral muscle development, growth and organ size regulation, retinal axon targeting, modulation of neuromuscular transmission as well as sleep regulation and olfactory learning. Its ligand is the secreted protein encoded by jeb.

1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma; Small wing (sl) encodes a phosphatidylinositol-specific phospholiase type C that is required as a general modulator for growth downstream of the insulin pathway, and interacts with the Ras-MAPK pathway.

ADP-ribosylation factor 1; GTP-binding protein involved in protein trafficking; has a role in Golgi organization and may modulate vesicle budding and uncoating within the Golgi apparatus (Probable). Has a role in eye development. Required for cleavage furrow ingression in embryonic cells.

Ras-like protein 1; Ras proteins bind GDP/GTP and possess intrinsic GTPase activity (By similarity). Plays a role in eye development by regulating cell growth, survival of postmitotic ommatidial cells and differentiation of photoreceptor cells. During larval development, mediates Ptth/tor signaling leading to the production of ecdysone, a hormone required for the initiation of metamorphosis.

ADP-ribosylation factor 1; GTP-binding protein involved in protein trafficking; has a role in Golgi organization and may modulate vesicle budding and uncoating within the Golgi apparatus (Probable). Has a role in eye development. Required for cleavage furrow ingression in embryonic cells.

GTPase-activating protein; Inhibitory regulator of the Ras-cyclic AMP pathway. May function as a negative regulator of Ras85D/Ras1 in the sev signaling pathway. Acts cell autonomously in cone cell precursors as a negative regulator of R7 photoreceptor cell determination.

ADP-ribosylation factor 1; GTP-binding protein involved in protein trafficking; has a role in Golgi organization and may modulate vesicle budding and uncoating within the Golgi apparatus (Probable). Has a role in eye development. Required for cleavage furrow ingression in embryonic cells.

Secretory 71; Small GTPase binding; ARF guanyl-nucleotide exchange factor activity; guanyl-nucleotide exchange factor activity. It is involved in the biological process described with: positive regulation of neuron remodeling; positive regulation of endocytosis; Golgi to plasma membrane protein transport; regulation of ARF protein signal transduction.

ADP-ribosylation factor 1; GTP-binding protein involved in protein trafficking; has a role in Golgi organization and may modulate vesicle budding and uncoating within the Golgi apparatus (Probable). Has a role in eye development. Required for cleavage furrow ingression in embryonic cells.

Dynein light chain 1, cytoplasmic; Cut up (ctp) encodes the 8 kDa (LC8/DLC1) subunit of the cytoplasmic Dynein, as well as the Myosin V. It homodimerizes and binds to a variety of proteins. It is involved in both dynein-dependent and independent functions such as cell viability, axonal guidance, spermatid growth and individualization, and regulation of spermatogonial divisions; Belongs to the dynein light chain family.

BRWD3 (BRWD3) encodes a member of the Bromodomain and WD repeat_containing protein (BRWD) family. It regulates ecdysone and JAK-STAT signaling pathways and contributes to eye development, cell death and phagocytosis.

Suppressor of cytokine signaling at 36E (Socs36E) encodes a negative regulator of the JAK/STAT and EGFR pathways. It is a transcriptional target of the product of Stat92E that mediates lysosomal degradation following pathway stimulation and inhibits basal pathway activity.

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

Histone deacetylase HDAC1; Catalyzes the deacetylation of lysine residues on the N- terminal part of the core histones (H2A, H2B, H3 and H4). Histone deacetylation may constitute a tag for epigenetic repression and plays an important role in transcriptional regulation, cell cycle progression and developmental events. For instance, deacetylation of histone H3 may be a prerequisite for the subsequent recruitment of the histone methyltransferase Su(var)3-9 to histones. Involved in position-effect variegation (PEV). In the larval brain, part of a regulatory network including the transcript [...]

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

RING-box protein 1A; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. Through the RING-type zinc finger, seems to recruit the E2 ubiquitination enzyme to the complex and brings it into close proximity to the substrate. Required for the specific SCF-dependent proteolysis of CI, but not that of ARM, suggesting that it also participates in the selection of substrates inside the SCF complex. During early metamorphosis, part of [...]

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

Suppressor of cytokine signaling at 36E (Socs36E) encodes a negative regulator of the JAK/STAT and EGFR pathways. It is a transcriptional target of the product of Stat92E that mediates lysosomal degradation following pathway stimulation and inhibits basal pathway activity.

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

Ubiquitin-conjugating enzyme E2-17 kDa; Catalyzes the covalent attachment of ubiquitin to other proteins. Mediates the selective degradation of short-lived and abnormal proteins. Required for proper telomere behavior during cell divisions and possibly for ubiquitination of proteins involved in postmeiotic stages of spermatogenesis. Deletion mutations are lethal in homozygotes.

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

Supernumerary limbs (slmb) encodes an essential, conserved F-box protein and a component of the SCF (Skp/Cullin/F-box) E3 ubiquitin-ligase, providing substrate specificity to the SCF. It negatively regulates multiple signaling pathways and cellular processes by promoting the proteasome-mediated degradation or cleavage of its targets, including the products of arm and ci (Wg and Hh signaling), SAK, per and Cap-H2.

Cullin homolog 1; Core component of multiple SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. May contribute to catalysis through positioning of the substrate and the ubiquitin- conjugating enzyme. During early metamorphosis, part of the SCF-slmb complex that negatively regulates the InR/PI3K/TOR pathway to activate the pruning of unnecessary larv [...]

Protein tramtrack, alpha isoform; Binds to a number of sites in the transcriptional regulatory region of ftz. Isoform alpha is required to repress genes that promote the R7 cell fate. Probable repressor of the transcription of the segmentation genes ftz, eve, h, odd, run, and en. May bind to the region 5'-AGGG[CT]GG-3'. Degradation of ttk is directed by binding of sinah or sina, via the adapter molecule phyl which binds to the BTB domain of ttk.

Disabled (Dab) encodes an adaptor protein that is a core component of the Abl tyrosine kinase signaling pathway. It associates with transmembrane receptors including those encoded by N and Appl. It is involved in axon patterning, embryo morphogenesis and trafficking in endocytosis, exocytosis and Golgi organization.

Processed neurogenic locus Notch protein; Essential signaling protein which has a major role in many developmental processes. Functions as a receptor for membrane-bound ligands Delta and Serrate to regulate cell-fate determination. Upon ligand activation, and releasing from the cell membrane, the Notch intracellular domain (NICD) forms a transcriptional activator complex with Su(H) (Suppressor of hairless) and activates genes of the E(spl) complex. Regulates oogenesis, the differentiation of the ectoderm and the development of the central and peripheral nervous system, eye, wing disk, [...]

Dynein heavy chain 64C (Dhc64C) encodes the heavy chain subunit of the cytoplasmic dynein motor complex. The product of Dhc64C forms a dimer, which binds and hydrolyzes ATP providing the power for movement of dynein. It has an essential function in oocyte polarity, mitotic cell division, embryonic development, and neuronal transport and neurogenesis.

Dynein light chain 1, cytoplasmic; Cut up (ctp) encodes the 8 kDa (LC8/DLC1) subunit of the cytoplasmic Dynein, as well as the Myosin V. It homodimerizes and binds to a variety of proteins. It is involved in both dynein-dependent and independent functions such as cell viability, axonal guidance, spermatid growth and individualization, and regulation of spermatogonial divisions; Belongs to the dynein light chain family.

Dynein heavy chain 64C (Dhc64C) encodes the heavy chain subunit of the cytoplasmic dynein motor complex. The product of Dhc64C forms a dimer, which binds and hydrolyzes ATP providing the power for movement of dynein. It has an essential function in oocyte polarity, mitotic cell division, embryonic development, and neuronal transport and neurogenesis.

Protein spindle-F; Plays a role in oocyte axis determination and microtubule organization during oogenesis. Also required for polarized organization of the bristle. Required, with jvl, for activation of the kinase IKKepsilon in the germ line. Also required for localization of IKKepsilon to the distal tip of elongating bristles by acting as an adapter linking IKKepsilon and cytoplasmic dynein. Involved in dendrite pruning in larval sensory neurons during metamorphosis.

Ecdysone receptor (EcR) encodes a protein that interacts with the product of usp to form the nuclear ecdysone receptor heterodimer, which modulates, in conjunction with co-activators and co-repressors, the activities of hundreds of genes in a tissue- and stage-specific way. EcR is widely expressed in embryonic and larval tissues and in some adult tissues where its activities (modulated by the hormone ecdysone) trigger both molting and metamorphosis.

Fasciclin-2; Neuronal recognition molecule for the MP1 axon pathway, pathway recognition for axons during the development of nerve fascicles.

Ecdysone receptor (EcR) encodes a protein that interacts with the product of usp to form the nuclear ecdysone receptor heterodimer, which modulates, in conjunction with co-activators and co-repressors, the activities of hundreds of genes in a tissue- and stage-specific way. EcR is widely expressed in embryonic and larval tissues and in some adult tissues where its activities (modulated by the hormone ecdysone) trigger both molting and metamorphosis.

Insulin-like receptor subunit beta 1; Has a ligand-stimulated tyrosine-protein kinase activity. Required for cell survival. Regulates body size and organ size by altering cell number and cell size in a cell-autonomous manner. Involved in the development of the embryonic nervous system, and is necessary for axon guidance and targeting in the visual system. Also plays a role in life-span determination.

Ecdysone receptor (EcR) encodes a protein that interacts with the product of usp to form the nuclear ecdysone receptor heterodimer, which modulates, in conjunction with co-activators and co-repressors, the activities of hundreds of genes in a tissue- and stage-specific way. EcR is widely expressed in embryonic and larval tissues and in some adult tissues where its activities (modulated by the hormone ecdysone) trigger both molting and metamorphosis.

Kruppel homolog 1 (Kr-h1) encodes a transcriptional regulator involved in axon pathfinding, neurite and axon remodeling as well as pupal photoreceptor maturation. In all cases, the function of the product of Kr-h1 is linked to that of the 20-hydroxyecdysone hormone.