Page last updated: 2024-08-08 00:12:29

Smoothened homolog

A protein smoothened that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q99835]

Synonyms

SMO;
Protein Gx

Research

Bioassay Publications (13)

TimeframeStudies on this Protein(%)All Drugs %
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's3 (23.08)29.6817
2010's6 (46.15)24.3611
2020's4 (30.77)2.80

Compounds (15)

Drugs with Inhibition Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
cyclopamineHomo sapiens (human)IC500.214733
cyclopamineHomo sapiens (human)Ki0.098633
pd 173955Homo sapiens (human)Ki0.046211
purmorphamineHomo sapiens (human)IC501.500011
cur 61414Homo sapiens (human)IC500.140011
abt 869Homo sapiens (human)Ki0.087611
lde225Homo sapiens (human)Ki0.006011
gdc 0449Homo sapiens (human)IC500.022288
gdc 0449Homo sapiens (human)Ki0.014222
N-[[3-fluoro-4-[[2-(1-methyl-4-imidazolyl)-7-thieno[3,2-b]pyridinyl]oxy]anilino]-sulfanylidenemethyl]-2-phenylacetamideHomo sapiens (human)Ki0.047422
ipi-926Homo sapiens (human)IC500.001411
gsk 1363089Homo sapiens (human)Ki0.063222
tak-441Homo sapiens (human)IC500.079011
ly2940680Homo sapiens (human)IC500.202122
3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-(6-(4-(4-ethylpiperazin-1-yl)-phenylamino)pyrimidin-4-yl)-1-methylureaHomo sapiens (human)Ki0.046511
cep-32496Homo sapiens (human)Ki0.187811
pf-5274857Homo sapiens (human)IC500.005811

Drugs with Activation Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
cyclopamineHomo sapiens (human)Kd0.064222
gdc 0449Homo sapiens (human)EC500.002522
gdc 0449Homo sapiens (human)Kd0.097511

Enables

This protein enables 7 target(s):

TargetCategoryDefinition
cAMP-dependent protein kinase inhibitor activitymolecular functionBinds to and stops, prevents or reduces the activity of a cAMP-dependent protein kinase. [GOC:mah]
G protein-coupled receptor activitymolecular functionCombining with an extracellular signal and transmitting the signal across the membrane by activating an associated G-protein; promotes the exchange of GDP for GTP on the alpha subunit of a heterotrimeric G-protein complex. [GOC:bf, http://www.iuphar-db.org, Wikipedia:GPCR]
patched bindingmolecular functionBinding to a patched (ptc) protein, a receptor for hedgehog proteins. [GOC:ceb, PMID:11731473]
protein bindingmolecular functionBinding to a protein. [GOC:go_curators]
oxysterol bindingmolecular functionBinding to oxysterol, an oxidized form of cholesterol. [GOC:curators]
protein kinase A catalytic subunit bindingmolecular functionBinding to one or both of the catalytic subunits of protein kinase A. [GOC:mah]
protein sequestering activitymolecular functionBinding to a protein to prevent it from interacting with other partners or to inhibit its localization to the area of the cell or complex where it is active. [PMID:1493333]

Located In

This protein is located in 12 target(s):

TargetCategoryDefinition
late endosomecellular componentA prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center. [NIF_Subcellular:nlx_subcell_20090702, PMID:11964142, PMID:2557062]
endoplasmic reticulumcellular componentThe irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). [ISBN:0198506732]
endoplasmic reticulum-Golgi intermediate compartmentcellular componentA complex system of membrane-bounded compartments located between endoplasmic reticulum (ER) and the Golgi complex, with a distinctive membrane protein composition; involved in ER-to-Golgi and Golgi-to-ER transport. [GOC:pr, PMID:16723730]
centriolecellular componentA cellular organelle, found close to the nucleus in many eukaryotic cells, consisting of a small cylinder with microtubular walls, 300-500 nm long and 150-250 nm in diameter. It contains nine short, parallel, peripheral microtubular fibrils, each fibril consisting of one complete microtubule fused to two incomplete microtubules. Cells usually have two centrioles, lying at right angles to each other. At division, each pair of centrioles generates another pair and the twin pairs form the pole of the mitotic spindle. [ISBN:0198547684]
plasma membranecellular componentThe membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363]
ciliumcellular componentA specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body. [GOC:cilia, GOC:curators, GOC:kmv, GOC:vw, ISBN:0198547684, PMID:16824949, PMID:17009929, PMID:20144998]
endocytic vesicle membranecellular componentThe lipid bilayer surrounding an endocytic vesicle. [GOC:mah]
intracellular membrane-bounded organellecellular componentOrganized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane. [GOC:go_curators]
ciliary membranecellular componentThe portion of the plasma membrane surrounding a cilium. [GOC:cilia, GOC:dph, GOC:rph]
extracellular exosomecellular componentA vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm. [GOC:BHF, GOC:mah, GOC:vesicles, PMID:15908444, PMID:17641064, PMID:19442504, PMID:19498381, PMID:22418571, PMID:24009894]
ciliary tipcellular componentPart of the cilium where the axoneme ends. The ciliary tip has been implicated in ciliary assembly and disassembly, as well as signal transduction. [GOC:cilia, PMID:23970417]
9+0 non-motile ciliumcellular componentA non-motile cilium where the axoneme has a ring of nine outer microtubule doublets but no central microtubules (and is therefore called a 9+0 axoneme). [GOC:cilia, PMID:22118931]

Active In

This protein is active in 3 target(s):

TargetCategoryDefinition
ciliumcellular componentA specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body. [GOC:cilia, GOC:curators, GOC:kmv, GOC:vw, ISBN:0198547684, PMID:16824949, PMID:17009929, PMID:20144998]
dendritecellular componentA neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body. [GOC:aruk, GOC:bc, GOC:dos, GOC:mah, GOC:nln, ISBN:0198506732]
plasma membranecellular componentThe membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363]

Involved In

This protein is involved in 67 target(s):

TargetCategoryDefinition
negative regulation of transcription by RNA polymerase IIbiological processAny process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II. [GOC:go_curators, GOC:txnOH]
vasculogenesisbiological processThe differentiation of endothelial cells from progenitor cells during blood vessel development, and the de novo formation of blood vessels and tubes. [PMID:8999798]
osteoblast differentiationbiological processThe process whereby a relatively unspecialized cell acquires the specialized features of an osteoblast, a mesodermal or neural crest cell that gives rise to bone. [CL:0000062, GO_REF:0000034, GOC:jid]
in utero embryonic developmentbiological processThe process whose specific outcome is the progression of the embryo in the uterus over time, from formation of the zygote in the oviduct, to birth. An example of this process is found in Mus musculus. [GOC:go_curators, GOC:mtg_sensu]
cell fate specificationbiological processThe cellular developmental process involved in cell fate commitment in which the cell is designated to follow a developmental path, unless they receive extrinsic cues that direct an alternative fate. [GOC:go_curators]
neural crest cell migrationbiological processThe characteristic movement of cells from the dorsal ridge of the neural tube to a variety of locations in a vertebrate embryo. [GOC:ascb_2009, GOC:dph, GOC:tb, ISBN:0878932437]
negative regulation of protein phosphorylationbiological processAny process that stops, prevents or reduces the rate of addition of phosphate groups to amino acids within a protein. [GOC:hjd]
heart loopingbiological processThe tube morphogenesis process in which the primitive heart tube loops asymmetrically. This looping brings the primitive heart chambers into alignment preceding their future integration. Heart looping begins with dextral-looping and ends when the main regional divisions of the mature heart and primordium of the great arterial trunks become established preceeding septation. [GOC:dph, PMID:12094232]
positive regulation of neuroblast proliferationbiological processAny process that activates or increases the rate of neuroblast proliferation. [GOC:dph]
positive regulation of mesenchymal cell proliferationbiological processThe process of activating or increasing the rate or extent of mesenchymal cell proliferation. Mesenchymal cells are loosely organized embryonic cells. [GOC:dph]
determination of left/right asymmetry in lateral mesodermbiological processThe establishment of the lateral mesoderm with respect to the left and right halves. [GOC:mtg_heart]
type B pancreatic cell developmentbiological processThe process whose specific outcome is the progression of a type B pancreatic cell over time, from its formation to the mature structure. A type B pancreatic cell is a cell located towards center of the islets of Langerhans that secretes insulin. [CL:0000169, GOC:dph]
protein import into nucleusbiological processThe directed movement of a protein from the cytoplasm to the nucleus. [GOC:jl]
apoptotic processbiological processA programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died. [GOC:cjm, GOC:dhl, GOC:ecd, GOC:go_curators, GOC:mtg_apoptosis, GOC:tb, ISBN:0198506732, PMID:18846107, PMID:21494263]
G protein-coupled receptor signaling pathwaybiological processThe series of molecular signals initiated by a ligand binding to its receptor, in which the activated receptor promotes the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, and ends with regulation of a downstream cellular process. The pathway can start from the plasma membrane, Golgi or nuclear membrane. [GOC:bf, GOC:mah, PMID:16902576, PMID:24568158, Wikipedia:G_protein-coupled_receptor]
smoothened signaling pathwaybiological processThe series of molecular signals generated as a consequence of activation of the transmembrane protein Smoothened. [GOC:mah, PMID:15057936, PMID:15205520]
ventral midline determinationbiological processThe regionalization process in which the area where the ventral midline will form is specified. [GOC:bf, GOC:isa_complete, GOC:vk]
neuroblast proliferationbiological processThe expansion of a neuroblast population by cell division. A neuroblast is any cell that will divide and give rise to a neuron. [GOC:ai, GOC:mtg_sensu, GOC:sart]
midgut developmentbiological processThe process whose specific outcome is the progression of the midgut over time, from its formation to the mature structure. The midgut is the middle part of the alimentary canal from the stomach, or entrance of the bile duct, to, or including, the large intestine. [GOC:jid, UBERON:0001045]
anterior/posterior pattern specificationbiological processThe regionalization process in which specific areas of cell differentiation are determined along the anterior-posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism. [GOC:dph, GOC:go_curators, GOC:isa_complete, GOC:tb]
gene expressionbiological processThe process in which a gene's sequence is converted into a mature gene product (protein or RNA). This includes the production of an RNA transcript and its processing, as well as translation and maturation for protein-coding genes. [GOC:txnOH-2018, PMID:25934543, PMID:31580950]
positive regulation of gene expressionbiological processAny process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product (protein or RNA). [GOC:txnOH-2018]
negative regulation of gene expressionbiological processAny process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product (protein or RNA). [GOC:txnOH-2018]
spinal cord dorsal/ventral patterningbiological processThe process that regulates the coordinated growth and differentiation that establishes the non-random dorsal-ventral spatial arrangement of the spinal cord. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid]
dentate gyrus developmentbiological processThe process whose specific outcome is the progression of the dentate gyrus over time, from its formation to the mature structure. The dentate gyrus is one of two interlocking gyri of the hippocampus. It contains granule cells, which project to the pyramidal cells and interneurons of the CA3 region of the ammon gyrus. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid, ISBN:0838580343]
cerebellar cortex morphogenesisbiological processThe process in which the anatomical structure of the cranial nerves are generated and organized. The cerebellar cortex is a thin mantle of gray matter that covers the surface of each cerebral hemisphere. It has a characteristic morphology with convolutions (gyri) and crevices (sulci) that have specific functions. Six layers of nerve cells and the nerve pathways that connect them comprise the cerebellar cortex. Together, these regions are responsible for the processes of conscious thought, perception, emotion and memory as well as advanced motor function. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid, ISBN:0838580343]
thalamus developmentbiological processThe process in which the thalamus changes over time, from its initial formation to its mature state. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid]
dorsal/ventral neural tube patterningbiological processThe process in which the neural tube is regionalized in the dorsoventral axis. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid, PMID:11262869]
central nervous system neuron differentiationbiological processThe process in which a relatively unspecialized cell acquires specialized features of a neuron whose cell body resides in the central nervous system. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid]
cerebral cortex developmentbiological processThe progression of the cerebral cortex over time from its initial formation until its mature state. The cerebral cortex is the outer layered region of the telencephalon. [GO_REF:0000021, GOC:cls, GOC:dgh, GOC:dph, GOC:jid]
positive regulation of cell migrationbiological processAny process that activates or increases the frequency, rate or extent of cell migration. [GOC:go_curators]
negative regulation of epithelial cell differentiationbiological processAny process that stops, prevents, or reduces the frequency, rate or extent of epithelial cell differentiation. [GOC:mah]
hair follicle morphogenesisbiological processThe process in which the anatomical structures of the hair follicle are generated and organized. [GOC:ln]
multicellular organism growthbiological processThe increase in size or mass of an entire multicellular organism, as opposed to cell growth. [GOC:bf, GOC:curators, GOC:dph, GOC:tb]
positive regulation of multicellular organism growthbiological processAny process that activates or increases the frequency, rate or extent of growth of an organism to reach its usual body size. [GOC:dph, GOC:go_curators, GOC:tb]
positive regulation of protein import into nucleusbiological processAny process that activates or increases the frequency, rate or extent of movement of proteins from the cytoplasm into the nucleus. [GOC:jl]
odontogenesis of dentin-containing toothbiological processThe process whose specific outcome is the progression of a dentin-containing tooth over time, from its formation to the mature structure. A dentin-containing tooth is a hard, bony organ borne on the jaw or other bone of a vertebrate, and is composed mainly of dentin, a dense calcified substance, covered by a layer of enamel. [GOC:cjm, GOC:mah, GOC:mtg_sensu, PMID:10333884, PMID:15355794]
negative regulation of apoptotic processbiological processAny process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process. [GOC:jl, GOC:mtg_apoptosis]
negative regulation of DNA bindingbiological processAny process that stops or reduces the frequency, rate or extent of DNA binding. DNA binding is any process in which a gene product interacts selectively with DNA (deoxyribonucleic acid). [GOC:dph, GOC:jl, GOC:tb]
positive regulation of smoothened signaling pathwaybiological processAny process that activates or increases the frequency, rate or extent of smoothened signaling. [GOC:go_curators]
positive regulation of organ growthbiological processAny process that activates or increases the frequency, rate or extent of growth of an organ of an organism. [GOC:bf, GOC:tb]
astrocyte activationbiological processA change in morphology and behavior of an astrocyte resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor. [GOC:mgi_curators, PMID:10526094, PMID:10695728, PMID:12529254, PMID:12580336, PMID:9585813]
skeletal muscle fiber developmentbiological processThe process whose specific outcome is the progression of the skeletal muscle fiber over time, from its formation to the mature structure. Muscle fibers are formed by the maturation of myotubes. They can be classed as slow, intermediate/fast or fast. [GOC:dph, GOC:ef, GOC:jid, GOC:lm, GOC:mtg_muscle]
smooth muscle tissue developmentbiological processThe process whose specific outcome is the progression of smooth muscle over time, from its formation to the mature structure. [GOC:dph, GOC:jid, GOC:lm]
forebrain morphogenesisbiological processThe process in which the anatomical structures of the forebrain are generated and organized. The forebrain is the anterior of the three primary divisions of the developing chordate brain or the corresponding part of the adult brain (in vertebrates, includes especially the cerebral hemispheres, the thalamus, and the hypothalamus and especially in higher vertebrates is the main control center for sensory and associative information processing, visceral functions, and voluntary motor functions). [GOC:cvs, GOC:dgh, GOC:dph, GOC:jid]
homeostasis of number of cells within a tissuebiological processAny biological process involved in the maintenance of the steady-state number of cells within a population of cells in a tissue. [GOC:isa_complete]
epithelial cell proliferationbiological processThe multiplication or reproduction of epithelial cells, resulting in the expansion of a cell population. Epithelial cells make up the epithelium, the covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. [ISBN:0721662544]
positive regulation of epithelial cell proliferationbiological processAny process that activates or increases the rate or extent of epithelial cell proliferation. [GOC:ai]
protein stabilizationbiological processAny process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation. [GOC:ai]
myoblast migrationbiological processThe orderly movement of a myoblast from one site to another, often during the development of a multicellular organism. A myoblast is a cell type that, by fusion with other myoblasts, gives rise to the myotubes that eventually develop into skeletal muscle fibers. [CL:0000056, GOC:ai, GOC:mtg_muscle]
negative regulation of hair follicle developmentbiological processAny process that stops, prevents, or reduces the frequency, rate or extent of hair follicle development. [GOC:ai]
contact inhibitionbiological processThe series of events in which information about the density of cells in a population is received by direct cell-cell contact and is converted into a molecular signal, resulting in the cessation of cell growth or proliferation. [GOC:dph, PMID:17376520]
atrial septum morphogenesisbiological processThe developmental process in which atrial septum is generated and organized. The atrial septum separates the upper chambers (the atria) of the heart from one another. [GOC:dph, GOC:mtg_heart]
mammary gland epithelial cell differentiationbiological processThe process in which a relatively unspecialized epithelial cell becomes a more specialized epithelial cell of the mammary gland. [GOC:dph]
epithelial-mesenchymal cell signalingbiological processAny process that results in the transfer of information from an epithelial cell to a mesenchymal cell where it is interpreted. [GOC:dph]
somite developmentbiological processThe progression of a somite from its initial formation to the mature structure. Somites are mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. [GOC:dph]
pancreas morphogenesisbiological processMorphogenesis of the pancreas. Morphogenesis is the process in which anatomical structures are generated and organized. [GOC:dph]
left/right axis specificationbiological processThe establishment, maintenance and elaboration of the left/right axis. The left/right axis is defined by a line that runs orthogonal to both the anterior/posterior and dorsal/ventral axes. Each side is defined from the viewpoint of the organism rather of the observer (as per anatomical axes). [GOC:dph, GOC:gvg, GOC:mah]
cellular response to cholesterolbiological processAny process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cholesterol stimulus. [GOC:mah]
dopaminergic neuron differentiationbiological processThe process in which a neuroblast acquires the specialized structural and functional features of a dopaminergic neuron, a neuron that secretes dopamine. [GOC:rph]
mesenchymal to epithelial transition involved in metanephric renal vesicle formationbiological processA transition where a mesenchymal cell establishes apical/basolateral polarity,forms intercellular adhesive junctions, synthesizes basement membrane components and becomes an epithelial cell that will contribute to the shaping of the metanephric renal vesicle. [GOC:mtg_kidney_jan10]
positive regulation of branching involved in ureteric bud morphogenesisbiological processAny process that increases the rate, frequency or extent of branching involved in ureteric bud morphogenesis, the process in which the branching structure of the ureteric bud is generated and organized. The ureteric bud is an epithelial tube that grows out from the metanephric duct. The bud elongates and branches to give rise to the ureter and kidney collecting tubules. [GOC:dph, GOC:tb, GOC:yaf]
regulation of somatic stem cell population maintenancebiological processAny process that modulates the frequency, rate or extent of somatic stem cell population maintenance. [GO_REF:0000058, GOC:BHF, GOC:BHF_miRNA, GOC:rph, GOC:TermGenie, PMID:19409607]
regulation of heart morphogenesisbiological processAny process that modulates the frequency, rate or extent of heart morphogenesis. [GOC:BHF]
pattern specification processbiological processAny developmental process that results in the creation of defined areas or spaces within an organism to which cells respond and eventually are instructed to differentiate. [GOC:go_curators, GOC:isa_complete, ISBN:0521436125]
central nervous system developmentbiological processThe process whose specific outcome is the progression of the central nervous system over time, from its formation to the mature structure. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain and spinal cord. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord. [GOC:bf, GOC:jid, ISBN:0582227089]
commissural neuron axon guidancebiological processThe process in which the migration of an axon growth cone of a commissural neuron is directed to its target in the brain in response to a combination of attractive and repulsive cues. [GOC:BHF, GOC:mah]