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 named:

"
Helix-loop-helix DNA-binding domain
".

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 63: transcription factor HES-7 isoform X1

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 12 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 heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
9 A3KQ56 (/IPI) F1QJS9 (/IPI) Q1RM23 (/IPI) Q504H7 (/IPI) Q66T09 (/IPI) Q6W4T8 (/IPI) Q90463 (/IPI) Q90467 (/IPI) Q9DF72 (/IPI)
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).
8 F1QJS9 (/IPI) Q1RM23 (/IPI) Q504H7 (/IPI) Q66T09 (/IPI) Q6W4T8 (/IPI) Q90463 (/IPI) Q90467 (/IPI) Q9I9K1 (/IPI)
DNA-binding transcription factor activity GO:0003700
A protein or a member of a complex that interacts selectively and non-covalently with a specific DNA sequence (sometimes referred to as a motif) within the regulatory region of a gene to modulate transcription. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units, and include bacterial operons.
4 F1QJS9 (/NAS) Q1RM23 (/NAS) Q504H7 (/NAS) Q90467 (/NAS)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
4 F1QJS9 (/IPI) Q1RM23 (/IPI) Q504H7 (/IPI) Q90467 (/IPI)
Transcription factor binding GO:0008134
Interacting selectively and non-covalently with a transcription factor, a protein required to initiate or regulate transcription.
2 Q8BKT2 (/NAS) Q9BYE0 (/NAS)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 Q90463 (/IPI) Q9I9K1 (/IPI)
RNA polymerase II regulatory region sequence-specific DNA binding GO:0000977
Interacting selectively and non-covalently with a specific sequence of DNA that is part of a regulatory region that controls the transcription of a gene or cistron by RNA polymerase II.
1 Q8BKT2 (/IDA)
DNA-binding transcription factor activity, RNA polymerase II-specific GO:0000981
A protein or a member of a complex that interacts selectively and non-covalently with a specific DNA sequence (sometimes referred to as a motif) within the regulatory region of a RNA polymerase II-transcribed gene to modulate transcription. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units.
1 Q9BYE0 (/ISA)
DNA-binding transcription factor activity, RNA polymerase II-specific GO:0000981
A protein or a member of a complex that interacts selectively and non-covalently with a specific DNA sequence (sometimes referred to as a motif) within the regulatory region of a RNA polymerase II-transcribed gene to modulate transcription. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units.
1 Q9BYE0 (/ISM)
DNA-binding transcription factor activity, RNA polymerase II-specific GO:0000981
A protein or a member of a complex that interacts selectively and non-covalently with a specific DNA sequence (sometimes referred to as a motif) within the regulatory region of a RNA polymerase II-transcribed gene to modulate transcription. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units.
1 Q9BYE0 (/NAS)
DNA-binding transcription repressor activity, RNA polymerase II-specific GO:0001227
A protein or a member of a complex that interacts selectively and non-covalently with a specific DNA sequence (sometimes referred to as a motif) within the regulatory region of a RNA polymerase II-transcribed gene to repress or decrease transcription. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units.
1 Q8BKT2 (/IC)
DNA binding GO:0003677
Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
1 Q9BYE0 (/NAS)

There are 26 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
Midbrain-hindbrain boundary development GO:0030917
The process whose specific outcome is the progression of the midbrain-hindbrain boundary over time, from its formation to the mature structure. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages.
8 F1QJS9 (/IMP) Q1RM23 (/IMP) Q504H7 (/IMP) Q66T09 (/IMP) Q6W4T8 (/IMP) Q8UW74 (/IMP) Q8UW74 (/IMP) Q90467 (/IMP)
Somitogenesis GO:0001756
The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
7 A3KQ56 (/IMP) A3KQ57 (/IMP) Q8BKT2 (/IMP) Q90463 (/IMP) Q9DF72 (/IMP) Q9DF73 (/IMP) Q9I9K1 (/IMP)
Somitogenesis GO:0001756
The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
6 A3KQ56 (/IGI) A3KQ57 (/IGI) Q90463 (/IGI) Q9DF72 (/IGI) Q9DF73 (/IGI) Q9I9K1 (/IGI)
Somite specification GO:0001757
The process in which individual somites establish identity during embryogenesis.
6 A3KQ56 (/IMP) A3KQ57 (/IMP) Q90463 (/IMP) Q9DF72 (/IMP) Q9DF73 (/IMP) Q9I9K1 (/IMP)
Negative regulation of neurogenesis GO:0050768
Any process that stops, prevents, or reduces the frequency, rate or extent of neurogenesis, the generation of cells within the nervous system.
6 F1QJS9 (/IMP) Q1RM23 (/IMP) Q504H7 (/IMP) Q66T09 (/IMP) Q6W4T8 (/IMP) Q90467 (/IMP)
Endoderm development GO:0007492
The process whose specific outcome is the progression of the endoderm over time, from its formation to the mature structure. The endoderm is the innermost germ layer that develops into the gastrointestinal tract, the lungs and associated tissues.
4 F1QJS9 (/IMP) Q1RM23 (/IMP) Q504H7 (/IMP) Q90467 (/IMP)
Positive regulation of cyclin-dependent protein serine/threonine kinase activity GO:0045737
Any process that activates or increases the frequency, rate or extent of CDK activity.
4 F1QJS9 (/IMP) Q1RM23 (/IMP) Q504H7 (/IMP) Q90467 (/IMP)
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.
4 A3KQ56 (/IDA) Q8BKT2 (/IDA) Q90463 (/IDA) Q9DF72 (/IDA)
Embryonic organ morphogenesis GO:0048562
Morphogenesis, during the embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Morphogenesis is the process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
4 F1QJS9 (/IMP) Q1RM23 (/IMP) Q504H7 (/IMP) Q90467 (/IMP)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
3 Q8UW72 (/IMP) Q8UW74 (/IMP) Q8UW74 (/IMP)
Somitogenesis GO:0001756
The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
3 A3KQ56 (/IEP) Q90463 (/IEP) Q9DF72 (/IEP)
Somite specification GO:0001757
The process in which individual somites establish identity during embryogenesis.
3 A3KQ56 (/IGI) Q90463 (/IGI) Q9DF72 (/IGI)
Anterior/posterior pattern specification GO:0009952
The regionalization process in which specific areas of cell differentiation are determined along the anterior-posterior axis. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism.
3 A3KQ57 (/IGI) Q9DF73 (/IGI) Q9I9K1 (/IGI)
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 A3KQ56 (/IPI) Q90463 (/IPI) Q9DF72 (/IPI)
Midbrain-hindbrain boundary development GO:0030917
The process whose specific outcome is the progression of the midbrain-hindbrain boundary over time, from its formation to the mature structure. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages.
2 Q28HA8 (/ISS) Q8UW72 (/ISS)
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.
2 Q8UW74 (/IMP) Q8UW74 (/IMP)
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.
2 Q28HA8 (/ISS) Q8UW72 (/ISS)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q8BKT2 (/IDA)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q8BKT2 (/IGI)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q28HA8 (/ISS)
Skeletal system development GO:0001501
The process whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. The skeleton is the bony framework of the body in vertebrates (endoskeleton) or the hard outer envelope of insects (exoskeleton or dermoskeleton).
1 Q8BKT2 (/IMP)
Notch signaling pathway GO:0007219
A series of molecular signals initiated by the binding of an extracellular ligand to the receptor Notch on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q8BKT2 (/IDA)
Mesoderm development GO:0007498
The process whose specific outcome is the progression of the mesoderm over time, from its formation to the mature structure. The mesoderm is the middle germ layer that develops into muscle, bone, cartilage, blood and connective tissue.
1 Q9BYE0 (/NAS)
Post-anal tail morphogenesis GO:0036342
The process in which a post-anal tail is generated and organized. A post-anal tail is a muscular region of the body that extends posterior to the anus. The post-anal tail may aid locomotion and balance.
1 Q8BKT2 (/IMP)
Rhythmic process GO:0048511
Any process pertinent to the generation and maintenance of rhythms in the physiology of an organism.
1 Q8BKT2 (/IDA)
Rhythmic process GO:0048511
Any process pertinent to the generation and maintenance of rhythms in the physiology of an organism.
1 Q8BKT2 (/IMP)

There are 4 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 F1QJS9 (/IC) Q1RM23 (/IC) Q504H7 (/IC) Q90467 (/IC)
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 Q28HA8 (/ISS) Q8UW72 (/ISS) Q8UW74 (/ISS) Q8UW74 (/ISS)
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
3 A3KQ56 (/IC) Q90463 (/IC) Q9DF72 (/IC)
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.
1 Q9BYE0 (/NAS)
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