molecular function |
| GO:0003779 | | actin binding | | Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments. |
| GO:0051015 | | actin filament binding | | Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits. |
| GO:0003785 | | actin monomer binding | | Interacting selectively and non-covalently with monomeric actin, also known as G-actin. |
| GO:0008092 | | cytoskeletal protein binding | | Interacting selectively and non-covalently with any protein component of any cytoskeleton (actin, microtubule, or intermediate filament cytoskeleton). |
| GO:0042802 | | identical protein binding | | Interacting selectively and non-covalently with an identical protein or proteins. |
| GO:0032036 | | myosin heavy chain binding | | Interacting selectively and non-covalently with a heavy chain of a myosin complex. |
| GO:0043548 | | phosphatidylinositol 3-kinase binding | | Interacting selectively and non-covalently with a phosphatidylinositol 3-kinase, any enzyme that catalyzes the addition of a phosphate group to an inositol lipid at the 3' position of the inositol ring. |
| GO:0008022 | | protein C-terminus binding | | Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxy function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue. |
| GO:0005515 | | protein binding | | Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules). |
| GO:0042803 | | protein homodimerization activity | | Interacting selectively and non-covalently with an identical protein to form a homodimer. |
biological process |
| GO:0043029 | | T cell homeostasis | | The process of regulating the proliferation and elimination of T cells such that the total number of T cells within a whole or part of an organism is stable over time in the absence of an outside stimulus. |
| GO:0030036 | | actin cytoskeleton organization | | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins. |
| GO:0007015 | | actin filament organization | | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking. |
| GO:0006816 | | calcium ion transport | | The directed movement of calcium (Ca) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. |
| GO:0016477 | | cell migration | | The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. Cell migration is a central process in the development and maintenance of multicellular organisms. |
| GO:0031589 | | cell-substrate adhesion | | The attachment of a cell to the underlying substrate via adhesion molecules. |
| GO:0071353 | | cellular response to interleukin-4 | | Any 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 an interleukin-4 stimulus. |
| GO:0061502 | | early endosome to recycling endosome transport | | The directed movement of substances, in membrane-bounded vesicles, from the early sorting endosomes to the recycling endosomes. |
| GO:0048873 | | homeostasis of number of cells within a tissue | | Any biological process involved in the maintenance of the steady-state number of cells within a population of cells in a tissue. |
| GO:0030595 | | leukocyte chemotaxis | | The movement of a leukocyte in response to an external stimulus. |
| GO:0043320 | | natural killer cell degranulation | | The regulated exocytosis of secretory granules containing preformed mediators such as perforin and granzymes by a natural killer cell. |
| GO:0051126 | | negative regulation of actin nucleation | | Any process that stops, prevents, or reduces the frequency, rate or extent of actin nucleation, the initial step in the formation of an actin filament in which actin monomers combine to form a new filament. |
| GO:0043524 | | negative regulation of neuron apoptotic process | | Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process in neurons. |
| GO:0031339 | | negative regulation of vesicle fusion | | Any process that stops, prevents, or reduces the frequency, rate or extent of vesicle fusion. |
| GO:0038180 | | nerve growth factor signaling pathway | | A series of molecular signals initiated by the binding of nerve growth factor (NGF) to a receptor on the surface of the target cell, and ending with regulation of a downstream cellular process, e.g. transcription. |
| GO:0006909 | | phagocytosis | | An endocytosis process that results in the engulfment of external particulate material by phagocytes. The particles are initially contained within phagocytic vacuoles (phagosomes), which then fuse with primary lysosomes to effect digestion of the particles. |
| GO:0001845 | | phagolysosome assembly | | The process that results in the fusion of a phagosome, a vesicle formed by phagocytosis, with a lysosome. |
| GO:0050918 | | positive chemotaxis | | The directed movement of a motile cell or organism towards a higher concentration of a chemical. |
| GO:0050870 | | positive regulation of T cell activation | | Any process that activates or increases the frequency, rate or extent of T cell activation. |
| GO:0042102 | | positive regulation of T cell proliferation | | Any process that activates or increases the rate or extent of T cell proliferation. |
| GO:0030335 | | positive regulation of cell migration | | Any process that activates or increases the frequency, rate or extent of cell migration. |
| GO:0032956 | | regulation of actin cytoskeleton organization | | Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins. |
| GO:0030833 | | regulation of actin filament polymerization | | Any process that modulates the frequency, rate or extent of the assembly of actin filaments by the addition of actin monomers to a filament. |
| GO:0008064 | | regulation of actin polymerization or depolymerization | | Any process that modulates the frequency, rate or extent of the assembly or disassembly of actin filaments by the addition or removal of actin monomers from a filament. |
| GO:0008360 | | regulation of cell shape | | Any process that modulates the surface configuration of a cell. |
| GO:0051279 | | regulation of release of sequestered calcium ion into cytosol | | Any process that modulates the frequency, rate or extent of the release into the cytosolic compartment of calcium ions sequestered in the endoplasmic reticulum or mitochondria. |
| GO:0034097 | | response to cytokine | | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cytokine stimulus. |
| GO:0032796 | | uropod organization | | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a uropod, a rigid membrane projection with related cytoskeletal components at the trailing edge of a lymphocyte or other cell in the process of migrating or being activated. |
cellular component |
| GO:0015629 | | actin cytoskeleton | | The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes. |
| GO:0005884 | | actin filament | | A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane. |
| GO:0030424 | | axon | | The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter. |
| GO:0005938 | | cell cortex | | The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins. |
| GO:0031252 | | cell leading edge | | The area of a motile cell closest to the direction of movement. |
| GO:0005911 | | cell-cell junction | | A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals. |
| GO:0030864 | | cortical actin cytoskeleton | | The portion of the actin cytoskeleton, comprising filamentous actin and associated proteins, that lies just beneath the plasma membrane. |
| GO:0005737 | | cytoplasm | | All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. |
| GO:0031410 | | cytoplasmic vesicle | | A vesicle found in the cytoplasm of a cell. |
| GO:0005856 | | cytoskeleton | | Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles. |
| GO:0005829 | | cytosol | | The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. |
| GO:0005769 | | early endosome | | A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways. |
| GO:0070062 | | extracellular exosome | | A 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. |
| GO:0001772 | | immunological synapse | | An area of close contact between a lymphocyte (T-, B-, or natural killer cell) and a target cell formed through the clustering of particular signaling and adhesion molecules and their associated membrane rafts on both the lymphocyte and the target cell and facilitating activation of the lymphocyte, transfer of membrane from the target cell to the lymphocyte, and in some situations killing of the target cell through release of secretory granules and/or death-pathway ligand-receptor interaction. |
| GO:0030027 | | lamellipodium | | A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments. |
| GO:0016020 | | membrane | | A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it. |
| GO:0001891 | | phagocytic cup | | An invagination of the cell membrane formed by an actin dependent process during phagocytosis. Following internalization it is converted into a phagosome. |
| GO:0045335 | | phagocytic vesicle | | A membrane-bounded intracellular vesicle that arises from the ingestion of particulate material by phagocytosis. |
| GO:0030670 | | phagocytic vesicle membrane | | The lipid bilayer surrounding a phagocytic vesicle. |
| GO:0005886 | | plasma membrane | | The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. |
| GO:0043234 | | protein complex | | A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical. |