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:

"
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 48: Chemotaxis protein CheA, putative

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 4 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
Kinase activity GO:0016301
Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
17 Q747R6 (/ISS) Q74DM6 (/ISS) Q8EF66 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS)
(7 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).
13 O25153 (/IPI) O25153 (/IPI) O25153 (/IPI) P07363 (/IPI) P07363 (/IPI) Q52880 (/IPI) Q52880 (/IPI) Q52880 (/IPI) Q52880 (/IPI) Q56310 (/IPI)
(3 more)
Protein domain specific binding GO:0019904
Interacting selectively and non-covalently with a specific domain of a protein.
4 Q56310 (/IPI) Q56310 (/IPI) Q56310 (/IPI) Q56310 (/IPI)
Protein histidine kinase activity GO:0004673
Catalysis of the reaction: ATP + protein L-histidine = ADP + protein phospho-L-histidine.
2 P07363 (/IDA) P07363 (/IDA)

There are 15 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
Chemotaxis GO:0006935
The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
19 Q747R6 (/ISS) Q74DM6 (/ISS) Q884V4 (/ISS) Q8ECD6 (/ISS) Q8EF66 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS) Q9KKK9 (/ISS)
(9 more)
Phosphorelay signal transduction system GO:0000160
A conserved series of molecular signals found in prokaryotes and eukaryotes; involves autophosphorylation of a histidine kinase and the transfer of the phosphate group to an aspartate that then acts as a phospho-donor to response regulator proteins.
2 P07363 (/IDA) P07363 (/IDA)
Chemotaxis GO:0006935
The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
2 P07363 (/IMP) P07363 (/IMP)
Phosphorylation GO:0016310
The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
2 P07363 (/IDA) P07363 (/IDA)
Signal transduction by protein phosphorylation GO:0023014
A process in which the transfer of one or more phosphate groups to a substrate transmits a signal to the phosphorylated substrate.
2 P07363 (/IDA) P07363 (/IDA)
Negative regulation of protein modification process GO:0031400
Any process that stops, prevents, or reduces the frequency, rate or extent of the covalent alteration of one or more amino acid residues within a protein.
2 P07363 (/IDA) P07363 (/IDA)
Positive regulation of protein dephosphorylation GO:0035307
Any process that activates or increases the frequency, rate or extent of removal of phosphate groups from a protein.
2 P07363 (/IMP) P07363 (/IMP)
Protein autophosphorylation GO:0046777
The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
2 P07363 (/IDA) P07363 (/IDA)
Regulation of chemotaxis GO:0050920
Any process that modulates the frequency, rate or extent of the directed movement of a motile cell or organism in response to a specific chemical concentration gradient.
2 P07363 (/IDA) P07363 (/IDA)
Establishment of localization in cell GO:0051649
Any process, occuring in a cell, that localizes a substance or cellular component. This may occur via movement, tethering or selective degradation.
2 P07363 (/IDA) P07363 (/IDA)
Establishment of localization in cell GO:0051649
Any process, occuring in a cell, that localizes a substance or cellular component. This may occur via movement, tethering or selective degradation.
2 P07363 (/IMP) P07363 (/IMP)
Positive regulation of post-translational protein modification GO:1901875
Any process that activates or increases the frequency, rate or extent of post-translational protein modification.
2 P07363 (/IDA) P07363 (/IDA)
Regulation of bacterial-type flagellum-dependent cell motility GO:1902021
Any process that modulates the frequency, rate or extent of bacterial-type flagellum-dependent cell motility.
2 P07363 (/IDA) P07363 (/IDA)
Chemotaxis in host environment GO:0052116
The directed movement of a motile cell or organism in response to a specific chemical concentration gradient on, within or near its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.
1 I0ZHF1 (/IMP)
Chemotaxis on or near host involved in symbiotic interaction GO:0052143
The directed movement of a motile cell or organism in response to a specific chemical concentration gradient on or near its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.
1 A9CK76 (/IGC)

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
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P07363 (/IDA) P07363 (/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.
2 P07363 (/IDA) P07363 (/IDA)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2 P07363 (/IDA) P07363 (/IDA)
Methyl accepting chemotaxis protein complex GO:0098561
A transmembrane protein complex that consists of multiple methyl-accepting chemoreceptor protein subunits, a histidine kinase and a connector protein and which functions in the regulation of flagellar rotary motor activity in response to an external chemical stimulus.
2 P07363 (/IDA) P07363 (/IDA)