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.
« Back to all FunFams

FunFam 78: Galectin

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 11 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
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 O08573 (/IPI) Q3B8N2 (/IPI) Q6DKI2 (/IPI)
Enzyme binding GO:0019899
Interacting selectively and non-covalently with any enzyme.
3 O00182 (/IPI) O00182 (/IPI) O08573 (/IPI)
Carbohydrate binding GO:0030246
Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
3 O00182 (/IDA) O00182 (/IDA) O08573 (/IDA)
Carbohydrate binding GO:0030246
Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
3 O08573 (/ISS) P97840 (/ISS) Q3MHZ8 (/ISS)
Galactose binding GO:0005534
Interacting selectively and non-covalently with the aldohexose galactose (galacto-hexose), a common constituent of many oligo- and polysaccharides.
2 O00182 (/TAS) O00182 (/TAS)
Disaccharide binding GO:0048030
Interacting selectively and non-covalently with any disaccharide. Disaccharides are sugars composed of two monosaccharide units.
2 O00182 (/IMP) O00182 (/IMP)
Signaling receptor binding GO:0005102
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.
1 O08573 (/IPI)
Galactoside binding GO:0016936
Interacting selectively and non-covalently with any glycoside in which the sugar group is galactose.
1 O08573 (/IMP)
Galactoside binding GO:0016936
Interacting selectively and non-covalently with any glycoside in which the sugar group is galactose.
1 O08573 (/ISA)
Carbohydrate binding GO:0030246
Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
1 O08573 (/IMP)
Protein serine/threonine kinase activator activity GO:0043539
Binds to and increases the activity of a protein serine/threonine kinase.
1 O08573 (/IDA)

There are 70 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
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.
3 O00182 (/IDA) O00182 (/IDA) O08573 (/IDA)
Negative regulation of gene expression GO:0010629
Any 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 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.
3 O00182 (/IMP) O00182 (/IMP) O08573 (/IMP)
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.
3 O00182 (/IMP) O00182 (/IMP) O08573 (/IMP)
Cellular response to virus GO:0098586
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 stimulus from a virus.
3 O00182 (/IMP) O00182 (/IMP) O08573 (/IMP)
Positive regulation of interleukin-6 secretion GO:2000778
Any process that activates or increases the frequency, rate or extent of interleukin-6 secretion.
3 O00182 (/IMP) O00182 (/IMP) O08573 (/IMP)
Natural killer cell tolerance induction GO:0002519
Tolerance induction of natural killer cells.
2 O00182 (/IMP) O00182 (/IMP)
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 O00182 (/IDA) O00182 (/IDA)
Positive regulation of gene expression GO:0010628
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.
2 O00182 (/IDA) O00182 (/IDA)
Negative regulation of gene expression GO:0010629
Any 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 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.
2 O00182 (/IDA) O00182 (/IDA)
Negative regulation of chemokine production GO:0032682
Any process that stops, prevents, or reduces the frequency, rate, or extent of chemokine production.
2 O00182 (/IMP) O00182 (/IMP)
Negative regulation of interferon-gamma production GO:0032689
Any process that stops, prevents, or reduces the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
2 O00182 (/IDA) O00182 (/IDA)
Negative regulation of tumor necrosis factor production GO:0032720
Any process that stops, prevents, or reduces the frequency, rate, or extent of tumor necrosis factor production.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of interleukin-4 production GO:0032753
Any process that activates or increases the frequency, rate, or extent of interleukin-4 production.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-4 production GO:0032753
Any process that activates or increases the frequency, rate, or extent of interleukin-4 production.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation involved in immune response GO:0032834
Any process that activates or increases the frequency, rate or extent of differentiation of CD4-positive, CD25-positive, alpha-beta regulatory T cells as part of an immune response.
2 O00182 (/IDA) O00182 (/IDA)
P38MAPK cascade GO:0038066
An intracellular protein kinase cascade containing at least a p38 MAPK, a MAPKK and a MAP3K. The cascade can also contain an additional tier: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinases in the downstream tier to transmit a signal within a cell.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of I-kappaB kinase/NF-kappaB signaling GO:0043123
Any process that activates or increases the frequency, rate or extent of I-kappaB kinase/NF-kappaB signaling.
2 O00182 (/HMP) O00182 (/HMP)
Negative regulation of mast cell degranulation GO:0043305
Any process that stops, prevents, or reduces the rate of mast cell degranulation.
2 O00182 (/IMP) O00182 (/IMP)
Negative regulation of natural killer cell mediated cytotoxicity GO:0045953
Any process that stops, prevents, or reduces the rate of natural killer mediated cytotoxicity.
2 O00182 (/IDA) O00182 (/IDA)
Negative regulation of activated T cell proliferation GO:0046007
Any process that stops, prevents or reduces the rate or extent of activated T cell proliferation.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of viral entry into host cell GO:0046598
Any process that activates or increases the frequency, rate or extent of the introduction of viral entry into the host cell.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-1 beta secretion GO:0050718
Any process that activates or increases the frequency, rate or extent of the regulated release of interleukin-1 beta from a cell.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of NF-kappaB transcription factor activity GO:0051092
Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.
2 O00182 (/IMP) O00182 (/IMP)
Maternal process involved in female pregnancy GO:0060135
A reproductive process occurring in the mother that allows an embryo or fetus to develop within it.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of activated T cell autonomous cell death GO:0070241
Any process that activates or increases the frequency, rate or extent of activated T cell autonomous cell death.
2 O00182 (/IDA) O00182 (/IDA)
ERK1 and ERK2 cascade GO:0070371
An intracellular protein kinase cascade containing at least ERK1 or ERK2 (MAPKs), a MEK (a MAPKK) and a MAP3K. The cascade may involve 4 different kinases, as it can also contain an additional tier: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinase in the downstream tier to transmit a signal within a cell.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of ERK1 and ERK2 cascade GO:0070374
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
2 O00182 (/IMP) O00182 (/IMP)
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.
2 O00182 (/IDA) O00182 (/IDA)
Cellular response to interferon-gamma GO:0071346
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 interferon-gamma stimulus. Interferon gamma is the only member of the type II interferon found so far.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of transforming growth factor beta production GO:0071636
Any process that activates or increases the frequency, rate, or extent of production of transforming growth factor-beta.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of monocyte chemotactic protein-1 production GO:0071639
Any process that activates or increases the frequency, rate, or extent of production of monocyte chemotactic protein-1.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of NIK/NF-kappaB signaling GO:1901224
Any process that activates or increases the frequency, rate or extent of NIK/NF-kappaB signaling.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of interferon-gamma secretion GO:1902715
Any process that activates or increases the frequency, rate or extent of interferon-gamma secretion.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of tumor necrosis factor secretion GO:1904469
Any process that activates or increases the frequency, rate or extent of tumor necrosis factor secretion.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-8 secretion GO:2000484
Any process that activates or increases the frequency, rate or extent of interleukin-8 secretion.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of dendritic cell chemotaxis GO:2000510
Any process that activates or increases the frequency, rate or extent of dendritic cell chemotaxis.
2 O00182 (/IMP) O00182 (/IMP)
Negative regulation of CD4-positive, alpha-beta T cell proliferation GO:2000562
Any process that stops, prevents or reduces the frequency, rate or extent of CD4-positive, alpha-beta T cell proliferation.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of CD4-positive, alpha-beta T cell proliferation GO:2000563
Any process that activates or increases the frequency, rate or extent of CD4-positive, alpha-beta T cell proliferation.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-13 secretion GO:2000667
Any process that activates or increases the frequency, rate or extent of interleukin-13 secretion.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of dendritic cell apoptotic process GO:2000670
Any process that activates or increases the frequency, rate or extent of dendritic cell apoptotic process.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-10 secretion GO:2001181
Any process that activates or increases the frequency, rate or extent of interleukin-10 secretion.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of interleukin-12 secretion GO:2001184
Any process that activates or increases the frequency, rate or extent of interleukin-12 secretion.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell GO:2001190
Any process that activates or increases the frequency, rate or extent of T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell.
2 O00182 (/IDA) O00182 (/IDA)
Positive regulation of dendritic cell differentiation GO:2001200
Any process that activates or increases the frequency, rate or extent of dendritic cell differentiation.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of cysteine-type endopeptidase activity involved in apoptotic signaling pathway GO:2001269
Any process that activates or increases the frequency, rate or extent of cysteine-type endopeptidase activity involved in apoptotic signaling pathway.
2 O00182 (/IMP) O00182 (/IMP)
Positive regulation of cytokine production GO:0001819
Any process that activates or increases the frequency, rate or extent of production of a cytokine.
1 O08573 (/IMP)
Heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules GO:0007157
The attachment of an adhesion molecule in one cell to a nonidentical adhesion molecule in an adjacent cell.
1 O08573 (/ISA)
Positive regulation of gene expression GO:0010628
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.
1 O08573 (/IMP)
Positive regulation of pathway-restricted SMAD protein phosphorylation GO:0010862
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.
1 O08573 (/IMP)
Negative regulation of interferon-gamma production GO:0032689
Any process that stops, prevents, or reduces the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
1 O08573 (/IMP)
Positive regulation of chemokine production GO:0032722
Any process that activates or increases the frequency, rate, or extent of chemokine production.
1 O08573 (/IMP)
Positive regulation of interleukin-1 production GO:0032732
Any process that activates or increases the frequency, rate, or extent of interleukin-1 production.
1 O08573 (/IMP)
Positive regulation of tumor necrosis factor production GO:0032760
Any process that activates or increases the frequency, rate, or extent of tumor necrosis factor production.
1 O08573 (/IMP)
Negative regulation of natural killer cell activation GO:0032815
Any process that stops, prevents, or reduces the frequency, rate or extent of natural killer cell activation.
1 O08573 (/IMP)
Regulation of natural killer cell differentiation GO:0032823
Any process that modulates the frequency, rate or extent of natural killer cell differentiation.
1 O08573 (/IMP)
Toll-like receptor 3 signaling pathway GO:0034138
Any series of molecular signals generated as a consequence of binding to toll-like receptor 3.
1 P97840 (/IMP)
Toll-like receptor 3 signaling pathway GO:0034138
Any series of molecular signals generated as a consequence of binding to toll-like receptor 3.
1 O08573 (/ISO)
Positive regulation of macrophage activation GO:0043032
Any process that stimulates, induces or increases the rate of macrophage activation.
1 O08573 (/IMP)
Negative regulation of natural killer cell degranulation GO:0043322
Any process that stops, prevents, or reduces the rate of natural killer cell degranulation.
1 O08573 (/IMP)
Positive regulation of innate immune response GO:0045089
Any process that activates or increases the frequency, rate or extent of the innate immune response, the organism's first line of defense against infection.
1 O08573 (/IMP)
Maintenance of protein location GO:0045185
Any process in which a protein is maintained in a location and prevented from moving elsewhere. These include sequestration, stabilization to prevent transport elsewhere and the active retrieval of proteins that do move away.
1 O08573 (/IDA)
Positive regulation of regulatory T cell differentiation GO:0045591
Any process that activates or increases the frequency, rate or extent of differentiation of regulatory T cells.
1 O08573 (/IMP)
Negative regulation of inflammatory response GO:0050728
Any process that stops, prevents, or reduces the frequency, rate or extent of the inflammatory response.
1 O08573 (/IMP)
Positive regulation of oxidoreductase activity GO:0051353
Any process that activates or increases the frequency, rate or extent of oxidoreductase activity, the catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered.
1 O08573 (/IDA)
Positive regulation of defense response to bacterium GO:1900426
Any process that activates or increases the frequency, rate or extent of defense response to bacterium.
1 O08573 (/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 O08573 (/IDA)
Positive regulation of T cell migration GO:2000406
Any process that activates or increases the frequency, rate or extent of T cell migration.
1 O08573 (/IDA)
Negative regulation of CD4-positive, alpha-beta T cell proliferation GO:2000562
Any process that stops, prevents or reduces the frequency, rate or extent of CD4-positive, alpha-beta T cell proliferation.
1 O08573 (/IMP)
Positive regulation of transcription regulatory region DNA binding GO:2000679
Any process that activates or increases the frequency, rate or extent of transcription regulatory region DNA binding.
1 O08573 (/IMP)
Positive regulation of interleukin-10 secretion GO:2001181
Any process that activates or increases the frequency, rate or extent of interleukin-10 secretion.
1 O08573 (/IMP)

There are 7 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
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
12 A0A024QZ02 (/IDA) A0A024QZ55 (/IDA) A0A024QZ55 (/IDA) J3KS82 (/IDA) J3KSY2 (/IDA) J3KT17 (/IDA) J3QR96 (/IDA) J3QSH0 (/IDA) O00182 (/IDA) O00182 (/IDA)
(2 more)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
3 O00182 (/IDA) O00182 (/IDA) O08573 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
3 O00182 (/IDA) O00182 (/IDA) O08573 (/IDA)
Collagen-containing extracellular matrix GO:0062023
An extracellular matrix consisting mainly of proteins (especially collagen) and glycosaminoglycans (mostly as proteoglycans) that provides not only essential physical scaffolding for the cellular constituents but can also initiate crucial biochemical and biomechanical cues required for tissue morphogenesis, differentiation and homeostasis. The components are secreted by cells in the vicinity and form a sheet underlying or overlying cells such as endothelial and epithelial cells.
3 O00182 (/HDA) O00182 (/HDA) O08573 (/HDA)
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 O00182 (/IDA) O00182 (/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.
1 O08573 (/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 O08573 (/ISO)
CATH-Gene3D is a Global Biodata Core Resource Learn more...