The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
Homeodomain-like
".

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 124269: C-myb-like transcription factor MYB3R3

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
Transcription factor activity, sequence-specific DNA binding GO:0003700
Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
13 F4J1R5 (/ISS) F4JV48 (/ISS) Q6R032 (/ISS) Q6R053 (/ISS) Q6R0C4 (/ISS) Q8H1P9 (/ISS) Q94FL9 (/ISS) Q9FX36 (/ISS) Q9LQX5 (/ISS) Q9SEZ4 (/ISS)
(3 more)
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 Q6R053 (/IPI) Q8H1P9 (/IPI) Q94FL9 (/IPI)
Sequence-specific DNA binding GO:0043565
Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
3 Q6R032 (/ISS) Q8H1P9 (/ISS) Q9SPN3 (/ISS)
Transcription coactivator activity GO:0003713
Interacting selectively and non-covalently with a activating transcription factor and also with the basal transcription machinery in order to increase the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between activating transcription factors and the basal transcription machinery.
2 F4JV48 (/IDA) Q94FL9 (/IDA)
Sequence-specific DNA binding GO:0043565
Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
2 Q94FL9 (/IDA) Q9S7G7 (/IDA)
Core promoter sequence-specific DNA binding GO:0001046
Interacting selectively and non-covalently with a sequence of DNA that is part of a core promoter region composed of the transcription start site and binding sites for the basal transcription machinery. The transcribed region might be described as a gene, cistron, or operon.
1 Q6R053 (/IDA)
DNA binding GO:0003677
Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
1 Q9FX36 (/ISS)
Transcription factor activity, sequence-specific DNA binding GO:0003700
Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
1 Q6R053 (/IDA)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 Q6R053 (/IDA)
Sequence-specific DNA binding GO:0043565
Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
1 Q6R053 (/IPI)
Transcription regulatory region DNA binding GO:0044212
Interacting selectively and non-covalently with a DNA region that regulates the transcription of a region of DNA, which may be a gene, cistron, or operon. Binding may occur as a sequence specific interaction or as an interaction observed only once a factor has been recruited to the DNA by other factors.
1 Q9FX36 (/IPI)

There are 35 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
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
5 F4J1R5 (/TAS) Q6R053 (/TAS) Q94FL9 (/TAS) Q9LQX5 (/TAS) Q9SEZ4 (/TAS)
Negative regulation of cell proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
3 Q6R032 (/IMP) Q8H1P9 (/IMP) Q9S7G7 (/IMP)
Response to salicylic acid GO:0009751
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 salicylic acid stimulus.
3 Q6R032 (/IEP) Q8H1P9 (/IEP) Q94FL9 (/IEP)
Negative regulation of transcription, DNA-templated GO:0045892
Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
3 Q6R032 (/IMP) Q8H1P9 (/IMP) Q9S7G7 (/IMP)
Regulation of secondary cell wall biogenesis GO:2000652
Any process that modulates the frequency, rate or extent of secondary cell wall biogenesis.
3 Q6R0C4 (/IMP) Q9FX36 (/IMP) Q9SZC2 (/IMP)
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
2 F4JV48 (/IDA) Q94FL9 (/IDA)
Response to ethylene GO:0009723
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 ethylene (ethene) stimulus.
2 Q6R032 (/IEP) Q8H1P9 (/IEP)
Regulation of cytokinesis GO:0032465
Any process that modulates the frequency, rate or extent of the division of the cytoplasm of a cell and its separation into two daughter cells.
2 Q94FL9 (/IGI) Q9S7G7 (/IGI)
Positive regulation of transcription, DNA-templated GO:0045893
Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
2 Q6R053 (/IDA) Q9SZC2 (/IDA)
Positive regulation of transcription, DNA-templated GO:0045893
Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
2 Q94FL9 (/IMP) Q9S7G7 (/IMP)
Negative regulation of cellular response to caffeine GO:1901181
Any process that stops, prevents or reduces the frequency, rate or extent of cellular response to caffeine.
2 Q94FL9 (/IMP) Q9S7G7 (/IMP)
Endothelial cell proliferation GO:0001935
The multiplication or reproduction of endothelial cells, resulting in the expansion of a cell population. Endothelial cells are thin flattened cells which line the inside surfaces of body cavities, blood vessels, and lymph vessels, making up the endothelium.
1 Q6R053 (/IMP)
Response to water deprivation GO:0009414
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 water deprivation stimulus, prolonged deprivation of water.
1 Q6R0C4 (/IMP)
Response to fungus GO:0009620
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 stimulus from a fungus.
1 Q94FL9 (/IEP)
Response to parasitic fungus GO:0009623
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 stimulus from a parasitic fungus, a fungus which spends all or part of its life in or on another organism from which it obtains nourishment and/or protection.
1 Q94FL9 (/IMP)
Response to auxin GO:0009733
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 auxin stimulus.
1 Q8H1P9 (/IEP)
Response to abscisic acid GO:0009737
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 abscisic acid stimulus.
1 Q6R0C4 (/IEP)
Response to abscisic acid GO:0009737
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 abscisic acid stimulus.
1 Q6R0C4 (/IMP)
Response to jasmonic acid GO:0009753
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 jasmonic acid stimulus.
1 Q8H1P9 (/IEP)
Plant-type secondary cell wall biogenesis GO:0009834
A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of inextensible cellulose- and pectin-containing cell walls that are formed between the plasma membrane and primary cell wall after cell expansion is complete. An example of this is found in Arabidopsis thaliana.
1 Q6R0C4 (/IMP)
Organ boundary specification between lateral organs and the meristem GO:0010199
The process in which boundaries between lateral organs and the meristem is established and maintained.
1 Q9SEZ4 (/IGI)
Organ boundary specification between lateral organs and the meristem GO:0010199
The process in which boundaries between lateral organs and the meristem is established and maintained.
1 Q9LQX5 (/IMP)
Regulation of cytokinesis GO:0032465
Any process that modulates the frequency, rate or extent of the division of the cytoplasm of a cell and its separation into two daughter cells.
1 Q94FL9 (/IMP)
Regulation of DNA endoreduplication GO:0032875
Any process that modulates the frequency, rate or extent of DNA endoreduplication.
1 Q94FL9 (/IMP)
Regulation of circadian rhythm GO:0042752
Any process that modulates the frequency, rate or extent of a circadian rhythm. A circadian rhythm is a biological process in an organism that recurs with a regularity of approximately 24 hours.
1 Q9SPN3 (/IMP)
Negative regulation of long-day photoperiodism, flowering GO:0048579
Any process that stops, prevents or reduces long-day photoperiodism, where the response associated with the photoperiodism is flowering. Flowering is defined by the switch from the vegetative to the reproductive phase.
1 Q6R053 (/IMP)
Negative regulation of cell division GO:0051782
Any process that stops, prevents, or reduces the frequency, rate or extent of cell division.
1 Q6R053 (/IMP)
Cellular response to brassinosteroid stimulus GO:0071367
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 brassinosteroid stimulus.
1 Q6R053 (/IEP)
Integument development GO:0080060
The process whose specific outcome is the progression of the integument over time, from its formation to the mature structure. Integument is one of the layers of tissue that usually covers the ovule, enveloping the nucellus and forming the micropyle at the apex.
1 Q6R053 (/IMP)
Regulation of seed growth GO:0080113
Any process that modulates the frequency, rate or extent of growth of the seed of an plant.
1 Q6R053 (/IMP)
Negative regulation of secondary cell wall biogenesis GO:1901347
Any process that stops, prevents or reduces the frequency, rate or extent of secondary cell wall biogenesis.
1 Q6R0C4 (/IMP)
Positive regulation of secondary cell wall biogenesis GO:1901348
Any process that activates or increases the frequency, rate or extent of secondary cell wall biogenesis.
1 Q6R0C4 (/IMP)
Response to salt GO:1902074
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 salt stimulus.
1 Q6R0C4 (/IEP)
Response to salt GO:1902074
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 salt stimulus.
1 Q6R0C4 (/IMP)
Quiescent center organization GO:1904961
The process that contributes to the act of creating the structural organization of the quiescent center. This process pertains to the physical shaping of a rudimentary structure.
1 Q6R053 (/IMP)

There are 2 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
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.
4 Q6R053 (/IDA) Q6R0C4 (/IDA) Q9FX36 (/IDA) Q9SZC2 (/IDA)
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 Q6R053 (/IDA)