The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was: waiting to be named.

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 13: Interleukin-1

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 19 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Cytokine activity GO:0005125
Functions to control the survival, growth, differentiation and effector function of tissues and cells.
5 Q8R460 (/IGI) Q9D6Z6 (/IGI) Q9D6Z6 (/IGI) Q9JLA2 (/IGI) Q9JLA2 (/IGI)
Interleukin-1 receptor antagonist activity GO:0005152
Blocks the binding of interleukin-1 to the interleukin-1 receptor complex.
3 P18510 (/TAS) Q9UBH0 (/TAS) Q9UBH0 (/TAS)
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
3 P18510 (/IPI) Q9UBH0 (/IPI) Q9UBH0 (/IPI)
Interleukin-1 receptor binding GO:0005149
Interacting selectively and non-covalently with the interleukin-1 receptor.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1 receptor binding GO:0005149
Interacting selectively and non-covalently with the interleukin-1 receptor.
2 Q9JLA2 (/ISS) Q9JLA2 (/ISS)
Interleukin-1 receptor binding GO:0005149
Interacting selectively and non-covalently with the interleukin-1 receptor.
2 Q9NZH6 (/NAS) Q9UHA7 (/NAS)
Interleukin-1, type I receptor binding GO:0005150
Interacting selectively and non-covalently with a Type I interleukin-1 receptor.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1, type II receptor binding GO:0005151
Interacting selectively and non-covalently with a Type II interleukin-1 receptor.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1 receptor antagonist activity GO:0005152
Blocks the binding of interleukin-1 to the interleukin-1 receptor complex.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1 type I receptor antagonist activity GO:0045352
Blocks the binding of interleukin-1 to interleukin-1 type I receptors.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1 type II receptor antagonist activity GO:0045353
Blocks the binding of interleukin-1 to interleukin-1 type II receptors.
2 P25085 (/ISO) P25085 (/ISO)
Interleukin-1 receptor binding GO:0005149
Interacting selectively and non-covalently with the interleukin-1 receptor.
1 P25086 (/IDA)
Interleukin-1 receptor binding GO:0005149
Interacting selectively and non-covalently with the interleukin-1 receptor.
1 Q9NZH6 (/TAS)
Interleukin-1, type I receptor binding GO:0005150
Interacting selectively and non-covalently with a Type I interleukin-1 receptor.
1 P18510 (/IPI)
Interleukin-1, type I receptor binding GO:0005150
Interacting selectively and non-covalently with a Type I interleukin-1 receptor.
1 P25086 (/TAS)
Interleukin-1, type II receptor binding GO:0005151
Interacting selectively and non-covalently with a Type II interleukin-1 receptor.
1 P18510 (/IPI)
Interleukin-1 receptor antagonist activity GO:0005152
Blocks the binding of interleukin-1 to the interleukin-1 receptor complex.
1 P18510 (/IDA)
Interleukin-1 type I receptor antagonist activity GO:0045352
Blocks the binding of interleukin-1 to interleukin-1 type I receptors.
1 P18510 (/IDA)
Interleukin-1 type II receptor antagonist activity GO:0045353
Blocks the binding of interleukin-1 to interleukin-1 type II receptors.
1 P18510 (/IDA)

There are 58 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Cytokine-mediated signaling pathway GO:0019221
A series of molecular signals initiated by the binding of a cytokine to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.
6 P18510 (/TAS) Q8WWZ1 (/TAS) Q9NZH8 (/TAS) Q9UBH0 (/TAS) Q9UBH0 (/TAS) Q9UHA7 (/TAS)
Positive regulation of cytokine production GO:0001819
Any process that activates or increases the frequency, rate or extent of production of a cytokine.
5 Q8R460 (/IDA) Q9D6Z6 (/IDA) Q9D6Z6 (/IDA) Q9JLA2 (/IDA) Q9JLA2 (/IDA)
Positive regulation of interleukin-6 production GO:0032755
Any process that activates or increases the frequency, rate, or extent of interleukin-6 production.
5 Q8R460 (/IGI) Q9D6Z6 (/IGI) Q9D6Z6 (/IGI) Q9JLA2 (/IGI) Q9JLA2 (/IGI)
Immune response GO:0006955
Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
3 P18510 (/NAS) Q9NZH6 (/NAS) Q9UHA7 (/NAS)
Fever generation GO:0001660
The heat generation process that results in a rise in body temperature above the normal, often as a response to infection.
2 P25085 (/ISO) P25085 (/ISO)
Negative regulation of cytokine-mediated signaling pathway GO:0001960
Any process that stops, prevents, or reduces the frequency, rate or extent of the cytokine mediated signaling pathway.
2 Q9UBH0 (/IMP) Q9UBH0 (/IMP)
Lipid metabolic process GO:0006629
The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
2 P25085 (/IMP) P25085 (/IMP)
Acute-phase response GO:0006953
An acute inflammatory response that involves non-antibody proteins whose concentrations in the plasma increase in response to infection or injury of homeothermic animals.
2 P25085 (/ISO) P25085 (/ISO)
Inflammatory response GO:0006954
The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.
2 Q9JLA2 (/TAS) Q9JLA2 (/TAS)
Memory GO:0007613
The activities involved in the mental information processing system that receives (registers), modifies, stores, and retrieves informational stimuli. The main stages involved in the formation and retrieval of memory are encoding (processing of received information by acquisition), storage (building a permanent record of received information as a result of consolidation) and retrieval (calling back the stored information and use it in a suitable way to execute a given task).
2 P25085 (/ISO) P25085 (/ISO)
Negative regulation of glutamate secretion GO:0014050
Any process that stops, prevents, or reduces the frequency, rate or extent of the controlled release of glutamate.
2 P25085 (/ISO) P25085 (/ISO)
Sensory perception of pain GO:0019233
The series of events required for an organism to receive a painful stimulus, convert it to a molecular signal, and recognize and characterize the signal. Pain is medically defined as the physical sensation of discomfort or distress caused by injury or illness, so can hence be described as a harmful stimulus which signals current (or impending) tissue damage. Pain may come from extremes of temperature, mechanical damage, electricity or from noxious chemical substances. This is a neurological process.
2 P25085 (/ISO) P25085 (/ISO)
Antifungal humoral response GO:0019732
An immune response against a fungus mediated through a body fluid. An example of this process is the antifungal humoral response in Drosophila melanogaster.
2 Q9UBH0 (/IMP) Q9UBH0 (/IMP)
Insulin secretion GO:0030073
The regulated release of proinsulin from secretory granules accompanied by cleavage of proinsulin to form mature insulin. In vertebrates, insulin is secreted from B granules in the B cells of the vertebrate pancreas and from insulin-producing cells in insects.
2 P25085 (/IMP) P25085 (/IMP)
Negative regulation of cell migration GO:0030336
Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
2 P25085 (/ISO) P25085 (/ISO)
Negative regulation of interleukin-17 production GO:0032700
Any process that stops, prevents, or reduces the frequency, rate, or extent of production of any member of the interleukin-17 family of cytokines.
2 Q9UBH0 (/IMP) Q9UBH0 (/IMP)
Negative regulation of heterotypic cell-cell adhesion GO:0034115
Any process that stops, prevents, or reduces the frequency, rate, or extent of heterotypic cell-cell adhesion.
2 P25085 (/ISO) P25085 (/ISO)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
2 P25085 (/ISO) P25085 (/ISO)
Positive regulation of JUN kinase activity GO:0043507
Any process that activates or increases the frequency, rate or extent of JUN kinase activity.
2 P25085 (/ISO) P25085 (/ISO)
Positive regulation of T cell differentiation GO:0045582
Any process that activates or increases the frequency, rate or extent of T cell differentiation.
2 Q9D6Z6 (/IGI) Q9D6Z6 (/IGI)
Negative regulation of membrane potential GO:0045837
Any process that stops, prevents, or reduces the frequency, rate or extent of establishment or extent of a membrane potential, the electric potential existing across any membrane arising from charges in the membrane itself and from the charges present in the media on either side of the membrane.
2 P25085 (/ISO) P25085 (/ISO)
Response to glucocorticoid GO:0051384
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 glucocorticoid stimulus. Glucocorticoids are hormonal C21 corticosteroids synthesized from cholesterol with the ability to bind with the cortisol receptor and trigger similar effects. Glucocorticoids act primarily on carbohydrate and protein metabolism, and have anti-inflammatory effects.
2 P25085 (/ISO) P25085 (/ISO)
Cellular response to cytokine stimulus GO:0071345
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 a cytokine stimulus.
2 Q8WWZ1 (/TAS) Q9NZH6 (/TAS)
Negative regulation of interferon-gamma secretion GO:1902714
Any process that stops, prevents or reduces the frequency, rate or extent of interferon-gamma secretion.
2 Q9UBH0 (/IMP) Q9UBH0 (/IMP)
Negative regulation of interleukin-1-mediated signaling pathway GO:2000660
Any process that stops, prevents or reduces the frequency, rate or extent of interleukin-1-mediated signaling pathway.
2 P25085 (/ISO) P25085 (/ISO)
Fever generation GO:0001660
The heat generation process that results in a rise in body temperature above the normal, often as a response to infection.
1 P25086 (/IMP)
Negative regulation of cytokine-mediated signaling pathway GO:0001960
Any process that stops, prevents, or reduces the frequency, rate or extent of the cytokine mediated signaling pathway.
1 Q9QYY1 (/ISO)
Chronic inflammatory response to antigenic stimulus GO:0002439
A chronic inflammatory response to an antigenic stimulus. A chronic inflammatory response persists indefinitely during days, weeks, or months in the life of an individual.
1 P25086 (/IEP)
Cell-cell signaling GO:0007267
Any process that mediates the transfer of information from one cell to another. This process includes signal transduction in the receiving cell and, where applicable, release of a ligand and any processes that actively facilitate its transport and presentation to the receiving cell. Examples include signaling via soluble ligands, via cell adhesion molecules and via gap junctions.
1 Q9NZH8 (/TAS)
Female pregnancy GO:0007565
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.
1 P25086 (/IEP)
Memory GO:0007613
The activities involved in the mental information processing system that receives (registers), modifies, stores, and retrieves informational stimuli. The main stages involved in the formation and retrieval of memory are encoding (processing of received information by acquisition), storage (building a permanent record of received information as a result of consolidation) and retrieval (calling back the stored information and use it in a suitable way to execute a given task).
1 P25086 (/IMP)
Negative regulation of signal transduction GO:0009968
Any process that stops, prevents, or reduces the frequency, rate or extent of signal transduction.
1 P25086 (/TAS)
Response to organonitrogen compound GO:0010243
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 organonitrogen stimulus. An organonitrogen compound is formally a compound containing at least one carbon-nitrogen bond.
1 P25086 (/IEP)
Negative regulation of glutamate secretion GO:0014050
Any process that stops, prevents, or reduces the frequency, rate or extent of the controlled release of glutamate.
1 P25086 (/IMP)
Response to organic cyclic compound GO:0014070
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 organic cyclic compound stimulus.
1 P25086 (/IEP)
Response to activity GO:0014823
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 activity stimulus.
1 P25086 (/IEP)
Sensory perception of pain GO:0019233
The series of events required for an organism to receive a painful stimulus, convert it to a molecular signal, and recognize and characterize the signal. Pain is medically defined as the physical sensation of discomfort or distress caused by injury or illness, so can hence be described as a harmful stimulus which signals current (or impending) tissue damage. Pain may come from extremes of temperature, mechanical damage, electricity or from noxious chemical substances. This is a neurological process.
1 P25086 (/IMP)
Antifungal humoral response GO:0019732
An immune response against a fungus mediated through a body fluid. An example of this process is the antifungal humoral response in Drosophila melanogaster.
1 Q9QYY1 (/ISO)
Carboxylic acid metabolic process GO:0019752
The chemical reactions and pathways involving carboxylic acids, any organic acid containing one or more carboxyl (COOH) groups or anions (COO-).
1 P25086 (/IEP)
Negative regulation of cell migration GO:0030336
Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
1 P25086 (/IDA)
Response to lipopolysaccharide GO:0032496
Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.
1 P25086 (/IEP)
Negative regulation of interleukin-17 production GO:0032700
Any process that stops, prevents, or reduces the frequency, rate, or extent of production of any member of the interleukin-17 family of cytokines.
1 Q9QYY1 (/ISO)
Negative regulation of interleukin-6 production GO:0032715
Any process that stops, prevents, or reduces the frequency, rate, or extent of interleukin-6 production.
1 Q9QYY1 (/IGI)
Negative regulation of heterotypic cell-cell adhesion GO:0034115
Any process that stops, prevents, or reduces the frequency, rate, or extent of heterotypic cell-cell adhesion.
1 P18510 (/IDA)
Response to drug GO:0042493
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 drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.
1 P25086 (/IEP)
Response to starvation GO:0042594
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 nourishment.
1 P25086 (/IEP)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
1 P25086 (/IMP)
Positive regulation of JUN kinase activity GO:0043507
Any process that activates or increases the frequency, rate or extent of JUN kinase activity.
1 P25086 (/IMP)
Negative regulation of myoblast differentiation GO:0045662
Any process that stops, prevents, or reduces the frequency, rate or extent of myoblast differentiation. A myoblast is a mononucleate cell type that, by fusion with other myoblasts, gives rise to the myotubes that eventually develop into skeletal muscle fibers.
1 Q8R460 (/IMP)
Negative regulation of membrane potential GO:0045837
Any process that stops, prevents, or reduces the frequency, rate or extent of establishment or extent of a membrane potential, the electric potential existing across any membrane arising from charges in the membrane itself and from the charges present in the media on either side of the membrane.
1 P25086 (/IDA)
Response to glucocorticoid GO:0051384
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 glucocorticoid stimulus. Glucocorticoids are hormonal C21 corticosteroids synthesized from cholesterol with the ability to bind with the cortisol receptor and trigger similar effects. Glucocorticoids act primarily on carbohydrate and protein metabolism, and have anti-inflammatory effects.
1 P18510 (/IDA)
Interleukin-1-mediated signaling pathway GO:0070498
A series of molecular signals initiated by the binding of interleukin-1 to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 P18510 (/TAS)
Response to interleukin-1 GO:0070555
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 interleukin-1 stimulus.
1 P25086 (/IEP)
Response to interleukin-4 GO:0070670
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 interleukin-4 stimulus.
1 P25086 (/IEP)
Cellular response to norepinephrine stimulus GO:0071874
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 a norepinephrine stimulus. Norepinephrine is a catecholamine that has the formula C8H11NO3; it acts as a hormone, and as a neurotransmitter in most of the sympathetic nervous system.
1 P25086 (/IEP)
Negative regulation of myoblast fusion GO:1901740
Any process that stops, prevents or reduces the frequency, rate or extent of myoblast fusion.
1 Q8R460 (/IMP)
Negative regulation of interferon-gamma secretion GO:1902714
Any process that stops, prevents or reduces the frequency, rate or extent of interferon-gamma secretion.
1 Q9QYY1 (/ISO)
Negative regulation of interleukin-1-mediated signaling pathway GO:2000660
Any process that stops, prevents or reduces the frequency, rate or extent of interleukin-1-mediated signaling pathway.
1 P18510 (/IDA)

There are 12 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
7 P18510 (/IDA) P25086 (/IDA) Q8R460 (/IDA) Q9D6Z6 (/IDA) Q9D6Z6 (/IDA) Q9JLA2 (/IDA) Q9JLA2 (/IDA)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
6 Q8WWZ1 (/TAS) Q9NZH6 (/TAS) Q9NZH8 (/TAS) Q9UBH0 (/TAS) Q9UBH0 (/TAS) Q9UHA7 (/TAS)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
2 P25085 (/IDA) P25085 (/IDA)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
2 Q9NZH6 (/NAS) Q9UHA7 (/NAS)
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
2 P25085 (/ISO) P25085 (/ISO)
Vesicle GO:0031982
Any small, fluid-filled, spherical organelle enclosed by membrane.
2 P25085 (/IDA) P25085 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q9NZH6 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q9NZH6 (/TAS)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 Q9NZH6 (/TAS)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
1 P18510 (/TAS)
Intracellular membrane-bounded organelle GO:0043231
Organized 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.
1 Q9NZH6 (/IDA)
Extracellular exosome GO:0070062
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.
1 P18510 (/HDA)
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