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:

"
Dbl homology (DH) 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 13: FYVE, RhoGEF and PH domain-containing protein 4

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 13 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
Guanyl-nucleotide exchange factor activity GO:0005085
Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
4 Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Small GTPase binding GO:0031267
Interacting selectively and non-covalently with a small monomeric GTPase.
4 Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Guanyl-nucleotide exchange factor activity GO:0005085
Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
2 P98174 (/IDA) P98174 (/IDA)
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).
2 P52734 (/IPI) Q7Z6J4 (/IPI)
Small GTPase binding GO:0031267
Interacting selectively and non-covalently with a small monomeric GTPase.
2 P98174 (/IDA) P98174 (/IDA)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
1 O88387 (/IDA)
Actin binding GO:0003779
Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
1 Q91ZT5 (/ISO)
Guanyl-nucleotide exchange factor activity GO:0005085
Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
1 P52734 (/ISO)
Rho guanyl-nucleotide exchange factor activity GO:0005089
Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Rho family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
1 Q8BY35 (/IDA)
Small GTPase binding GO:0031267
Interacting selectively and non-covalently with a small monomeric GTPase.
1 P52734 (/ISO)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
1 O88387 (/IMP)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
1 Q91ZT5 (/ISO)
Phosphatidylinositol phosphate binding GO:1901981
Interacting selectively and non-covalently with phosphatidylinositol phosphate.
1 Q8BY35 (/IDA)

There are 27 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
Cytoskeleton organization GO:0007010
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
6 P98174 (/TAS) P98174 (/TAS) Q5JSP0 (/TAS) Q5JSP0 (/TAS) Q7Z6J4 (/TAS) Q96M96 (/TAS)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
6 P98174 (/TAS) P98174 (/TAS) Q5JSP0 (/TAS) Q5JSP0 (/TAS) Q7Z6J4 (/TAS) Q96M96 (/TAS)
Regulation of small GTPase mediated signal transduction GO:0051056
Any process that modulates the frequency, rate or extent of small GTPase mediated signal transduction.
6 P98174 (/TAS) P98174 (/TAS) Q5JSP0 (/TAS) Q5JSP0 (/TAS) Q7Z6J4 (/TAS) Q96M96 (/TAS)
Actin cytoskeleton organization GO:0030036
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
4 Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Regulation of GTPase activity GO:0043087
Any process that modulates the rate of GTP hydrolysis by a GTPase.
4 Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Filopodium assembly GO:0046847
The assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
4 Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Filopodium assembly GO:0046847
The assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
3 O88842 (/IDA) P98174 (/IDA) P98174 (/IDA)
Signal transduction GO:0007165
The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
2 P98174 (/TAS) P98174 (/TAS)
Multicellular organism development GO:0007275
The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
2 P98174 (/TAS) P98174 (/TAS)
Animal organ morphogenesis GO:0009887
Morphogenesis of an animal organ. An organ is defined as a tissue or set of 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.
2 P98174 (/TAS) P98174 (/TAS)
Actin cytoskeleton organization GO:0030036
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
2 P98174 (/IDA) P98174 (/IDA)
Regulation of GTPase activity GO:0043087
Any process that modulates the rate of GTP hydrolysis by a GTPase.
2 P98174 (/IDA) P98174 (/IDA)
Cytoskeleton organization GO:0007010
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures.
1 P52734 (/IDA)
Activation of JUN kinase activity GO:0007257
The initiation of the activity of the inactive enzyme JUN kinase (JNK).
1 O88387 (/IDA)
Activation of JUN kinase activity GO:0007257
The initiation of the activity of the inactive enzyme JUN kinase (JNK).
1 O88387 (/IMP)
Activation of JUN kinase activity GO:0007257
The initiation of the activity of the inactive enzyme JUN kinase (JNK).
1 Q91ZT5 (/ISO)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
1 P52734 (/IDA)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
1 O88387 (/IMP)
Regulation of cell shape GO:0008360
Any process that modulates the surface configuration of a cell.
1 Q91ZT5 (/ISO)
Lamellipodium assembly GO:0030032
Formation of a lamellipodium, a thin sheetlike extension of the surface of a migrating cell.
1 Q91ZT5 (/IDA)
Microspike assembly GO:0030035
Formation of a microspike, a dynamic, actin-rich projection extending from the surface of a migrating animal cell.
1 Q91ZT5 (/IDA)
Actin cytoskeleton organization GO:0030036
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
1 P52734 (/ISO)
Regulation of GTPase activity GO:0043087
Any process that modulates the rate of GTP hydrolysis by a GTPase.
1 P52734 (/ISO)
Positive regulation of JUN kinase activity GO:0043507
Any process that activates or increases the frequency, rate or extent of JUN kinase activity.
1 Q8BY35 (/IGI)
Filopodium assembly GO:0046847
The assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
1 P52734 (/ISO)

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
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
6 P98174 (/TAS) P98174 (/TAS) Q5JSP0 (/TAS) Q5JSP0 (/TAS) Q7Z6J4 (/TAS) Q96M96 (/TAS)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
6 P98174 (/ISS) P98174 (/ISS) Q5JSP0 (/ISS) Q5JSP0 (/ISS) Q7Z6J4 (/ISS) Q96M96 (/ISS)
Ruffle GO:0001726
Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.
2 P52734 (/IDA) Q8BY35 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P52734 (/IDA) Q8BY35 (/IDA)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
2 P52734 (/IDA) Q91ZT5 (/IDA)
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 Q8BY35 (/IDA)
Early endosome GO:0005769
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.
1 Q8BY35 (/IDA)
Golgi apparatus GO:0005794
A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
1 P52734 (/IDA)
Filopodium GO:0030175
Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
1 Q91ZT5 (/IDA)