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:

"
SH3 Domains
".

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 19117: Rho guanine nucleotide exchange factor 16

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 14 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.
1 Q5VV41 (/TAS)
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 Q5VV41 (/IDA)
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 Q3U5C8 (/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 Q3U5C8 (/ISS)
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 Q5VV41 (/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).
1 Q5VV41 (/IPI)
Rho GTPase binding GO:0017048
Interacting selectively and non-covalently with Rho protein, any member of the Rho subfamily of the Ras superfamily of monomeric GTPases. Proteins in the Rho subfamily are involved in relaying signals from cell-surface receptors to the actin cytoskeleton.
1 Q5VV41 (/IPI)
Rho GTPase binding GO:0017048
Interacting selectively and non-covalently with Rho protein, any member of the Rho subfamily of the Ras superfamily of monomeric GTPases. Proteins in the Rho subfamily are involved in relaying signals from cell-surface receptors to the actin cytoskeleton.
1 Q3U5C8 (/ISO)
PDZ domain binding GO:0030165
Interacting selectively and non-covalently with a PDZ domain of a protein, a domain found in diverse signaling proteins.
1 Q5VV41 (/IPI)
PDZ domain binding GO:0030165
Interacting selectively and non-covalently with a PDZ domain of a protein, a domain found in diverse signaling proteins.
1 Q3U5C8 (/ISO)
Receptor tyrosine kinase binding GO:0030971
Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
1 Q5VV41 (/IPI)
Receptor tyrosine kinase binding GO:0030971
Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
1 Q3U5C8 (/ISO)
Cadherin binding GO:0045296
Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion.
1 Q5VV41 (/IDA)
Cadherin binding GO:0045296
Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion.
1 Q3U5C8 (/ISO)

There are 12 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
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 Q5VV41 (/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.
1 Q5VV41 (/TAS)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q5VV41 (/IMP)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q3U5C8 (/ISO)
Cell chemotaxis GO:0060326
The directed movement of a motile cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
1 Q3U5C8 (/ISS)
Positive regulation of establishment of protein localization to plasma membrane GO:0090004
Any process that increases the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
1 Q5VV41 (/IMP)
Positive regulation of establishment of protein localization to plasma membrane GO:0090004
Any process that increases the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
1 Q3U5C8 (/ISO)
Positive regulation of establishment of protein localization to plasma membrane GO:0090004
Any process that increases the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
1 Q3U5C8 (/ISS)
Activation of GTPase activity GO:0090630
Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
1 Q5VV41 (/IDA)
Activation of GTPase activity GO:0090630
Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
1 Q5VV41 (/IMP)
Activation of GTPase activity GO:0090630
Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
1 Q3U5C8 (/ISO)
Activation of GTPase activity GO:0090630
Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
1 Q3U5C8 (/ISS)

There are 1 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.
1 Q5VV41 (/TAS)