molecular function |
| GO:0003823 | | antigen binding | | Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen. |
| GO:0030881 | | beta-2-microglobulin binding | | Interacting selectively and non-covalently with beta-2-microglobulin. |
| GO:0039706 | | co-receptor binding | | Interacting selectively and non-covalently with a coreceptor. A coreceptor acts in cooperation with a primary receptor to transmit a signal within the cell. |
| GO:0042605 | | peptide antigen binding | | Interacting selectively and non-covalently with an antigen peptide. |
| 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:0005102 | | receptor binding | | Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function. |
| GO:1990459 | | transferrin receptor binding | | Interacting selectively and non-covalently with the transferrin receptor. |
biological process |
| GO:0030509 | | BMP signaling pathway | | A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription. |
| GO:0006953 | | acute-phase response | | An acute inflammatory response that involves non-antibody proteins whose concentrations in the plasma increase in response to infection or injury of homeothermic animals. |
| GO:0019882 | | antigen processing and presentation | | The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex. |
| GO:0002474 | | antigen processing and presentation of peptide antigen via MHC class I | | The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class I protein complex. Class I here refers to classical class I molecules. |
| GO:0006879 | | cellular iron ion homeostasis | | Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell. |
| GO:0071281 | | cellular response to iron ion | | 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 iron ion stimulus. |
| GO:0010106 | | cellular response to iron ion starvation | | 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 deprivation of iron ions. |
| GO:0007565 | | female pregnancy | | The set of physiological processes that allow an embryo or foetus to develop within the body of a female animal. It covers the time from fertilization of a female ovum by a male spermatozoon until birth. |
| GO:0042446 | | hormone biosynthetic process | | The chemical reactions and pathways resulting in the formation of any hormone, naturally occurring substances secreted by specialized cells that affects the metabolism or behavior of other cells possessing functional receptors for the hormone. |
| GO:0006955 | | immune response | | Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat. |
| GO:0006811 | | ion transport | | The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. |
| GO:0055072 | | iron ion homeostasis | | Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell. |
| GO:0097421 | | liver regeneration | | The regrowth of lost or destroyed liver. |
| GO:0060586 | | multicellular organismal iron ion homeostasis | | Any process involved in the maintenance of the distribution of iron stores within tissues and organs of a multicellular organism. |
| GO:2001186 | | negative regulation of CD8-positive, alpha-beta T cell activation | | Any process that stops, prevents or reduces the frequency, rate or extent of CD8-positive, alpha-beta T cell activation. |
| GO:0002626 | | negative regulation of T cell antigen processing and presentation | | Any process that stops, prevents, or reduces the frequency, rate, or extent of T cell antigen processing and presentation. |
| GO:0002725 | | negative regulation of T cell cytokine production | | Any process that stops, prevents, or reduces the frequency, rate, or extent of T cell cytokine production. |
| GO:1904283 | | negative regulation of antigen processing and presentation of endogenous peptide antigen via MHC class I | | Any process that stops, prevents or reduces the frequency, rate or extent of antigen processing and presentation of endogenous peptide antigen via MHC class I. |
| GO:0032435 | | negative regulation of proteasomal ubiquitin-dependent protein catabolic process | | Any process that stops, prevents, or reduces the frequency, rate or extent of the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome. |
| GO:2000059 | | negative regulation of protein ubiquitination involved in ubiquitin-dependent protein catabolic process | | Any process that stops, prevents, or reduces the frequency, rate or extent of protein ubiquitination involved in ubiquitin-dependent protein catabolic process. |
| GO:2000272 | | negative regulation of receptor activity | | Any process that stops, prevents or reduces the frequency, rate or extent of receptor activity. |
| GO:1900121 | | negative regulation of receptor binding | | Any process that stops, prevents or reduces the frequency, rate or extent of a protein or other molecule binding to a receptor. |
| GO:1904434 | | positive regulation of ferrous iron binding | | Any process that activates or increases the frequency, rate or extent of ferrous iron binding. |
| GO:0010628 | | positive regulation of gene expression | | Any 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 or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form. |
| GO:0010862 | | positive regulation of pathway-restricted SMAD protein phosphorylation | | Any process that increases the rate, frequency or extent of pathway-restricted SMAD protein phosphorylation. Pathway-restricted SMAD proteins and common-partner SMAD proteins are involved in the transforming growth factor beta receptor signaling pathways. |
| GO:0090277 | | positive regulation of peptide hormone secretion | | Any process that increases the rate, frequency, or extent of the regulated release of a peptide hormone from secretory granules. |
| GO:0032092 | | positive regulation of protein binding | | Any process that activates or increases the frequency, rate or extent of protein binding. |
| GO:2000273 | | positive regulation of receptor activity | | Any process that activates or increases the frequency, rate or extent of receptor activity. |
| GO:1900122 | | positive regulation of receptor binding | | Any process that activates or increases the frequency, rate or extent of a protein or other molecule binding to a receptor. |
| GO:0048260 | | positive regulation of receptor-mediated endocytosis | | Any process that activates or increases the frequency, rate or extent of receptor mediated endocytosis, the uptake of external materials by cells, utilizing receptors to ensure specificity of transport. |
| GO:1904437 | | positive regulation of transferrin receptor binding | | Any process that activates or increases the frequency, rate or extent of transferrin receptor binding. |
| GO:0006461 | | protein complex assembly | | The aggregation, arrangement and bonding together of a set of components to form a protein complex. |
| GO:2000008 | | regulation of protein localization to cell surface | | Any process that modulates the frequency, rate or extent of protein localization to the cell surface. |
| GO:0010039 | | response to iron ion | | 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 an iron ion stimulus. |
| GO:1990641 | | response to iron ion starvation | | 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 starvation stimulus, deprivation of iron ion. |
| GO:0006810 | | transport | | The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein. |
cellular component |
| GO:1990712 | | HFE-transferrin receptor complex | | A protein complex containing at least HFE and a transferrin receptor (either TFR1/TFRC or TFR2), proposed to play a role in the sensing of transferrin-bound Fe (Fe2-Tf) on the plasma membrane to regulate hepcidin transcription. |
| GO:0042612 | | MHC class I protein complex | | A transmembrane protein complex composed of a MHC class I alpha chain and an invariant beta2-microglobin chain, and with or without a bound peptide antigen. Class I here refers to classical class I molecules. |
| GO:0045177 | | apical part of cell | | The region of a polarized cell that forms a tip or is distal to a base. For example, in a polarized epithelial cell, the apical region has an exposed surface and lies opposite to the basal lamina that separates the epithelium from other tissue. |
| GO:0045178 | | basal part of cell | | The region of a cell situated near the base. For example, in a polarized epithelial cell, the basal surface rests on the basal lamina that separates the epithelium from other tissue. |
| GO:0031410 | | cytoplasmic vesicle | | A vesicle found in the cytoplasm of a cell. |
| 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:0009897 | | external side of plasma membrane | | The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface. |
| GO:0005615 | | extracellular space | | That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid. |
| GO:0016021 | | integral component of membrane | | The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane. |
| GO:0005887 | | integral component of plasma membrane | | The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane. |
| GO:0016020 | | membrane | | A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it. |
| GO:0048471 | | perinuclear region of cytoplasm | | Cytoplasm situated near, or occurring around, the nucleus. |
| 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:0055037 | | recycling endosome | | An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane. |
| GO:1990357 | | terminal web | | An actin-rich cytoskeletal network located beneath the microvilli of the apical plasma membrane of polarized epithelial cells. In addition to actin filaments, the terminal web may contain actin-binding proteins, myosin motor proteins, and intermediate filaments. The terminal web can function as a contractile structure that influences the spatial distribution of microvilli as well as the development and morphogenesis of tissues containing polarized epithelial cells. |