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:

"
P-loop containing nucleotide triphosphate hydrolases
".

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 274022: Ras-related protein Rab-13

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 7 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
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
4 P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
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 F1PTE3 (/IPI) P35286 (/IPI) P51153 (/IPI)
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
1 Q9DD03 (/ISO)
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
1 Q9DD03 (/TAS)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
1 P51153 (/IDA)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
1 Q9DD03 (/ISO)
Protein kinase A catalytic subunit binding GO:0034236
Interacting selectively and non-covalently with one or both of the catalytic subunits of protein kinase A.
1 P35286 (/IPI)

There are 37 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
Cortical actin cytoskeleton organization GO:0030866
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of actin-based cytoskeletal structures in the cell cortex, i.e. just beneath the plasma membrane.
5 F1PTE3 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Cellular response to insulin stimulus GO:0032869
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 an insulin stimulus. Insulin is a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms.
5 F1PTE3 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Endothelial cell chemotaxis GO:0035767
The directed movement of an endothelial cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
5 F1PTE3 (/ISS) P35286 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Trans-Golgi network to recycling endosome transport GO:0044795
The directed movement of substances, in membrane-bounded vesicles, from the trans-Golgi network to the recycling endosomes.
5 P35286 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Establishment of Sertoli cell barrier GO:0097368
Establishment of a structure near the basement membrane in adjacent Sertoli cells of the seminiferous epithelium for maintaining spermatogenesis. The structure consists of tight junctions, basal ectoplasmic specializations, and desmosome-like junctions.
5 F1PTE3 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Endosomal transport GO:0016197
The directed movement of substances into, out of, or mediated by an endosome, a membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
4 P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Neuron projection development GO:0031175
The process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
4 F1PTE3 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Endocytic recycling GO:0032456
The directed movement of membrane-bounded vesicles from recycling endosomes back to the plasma membrane where they are recycled for further rounds of transport.
4 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Bicellular tight junction assembly GO:0070830
The aggregation, arrangement and bonding together of a set of components to form a tight junction, an occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet.
4 P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Establishment of protein localization to plasma membrane GO:0090002
The directed movement of a protein to a specific location in the plasma membrane.
4 P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Protein localization to cell leading edge GO:1902463
A process in which a protein is transported to, or maintained in, a location within a cell leading edge.
4 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Protein kinase A signaling GO:0010737
A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase A, which occurs as a result of a single trigger reaction or compound.
3 F1PTE3 (/IMP) P35286 (/IMP) P51153 (/IMP)
Protein kinase A signaling GO:0010737
A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase A, which occurs as a result of a single trigger reaction or compound.
3 Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Endocytic recycling GO:0032456
The directed movement of membrane-bounded vesicles from recycling endosomes back to the plasma membrane where they are recycled for further rounds of transport.
3 F1PTE3 (/IMP) P51153 (/IMP) Q9DD03 (/IMP)
Membrane organization GO:0061024
A process which results in the assembly, arrangement of constituent parts, or disassembly of a membrane. A membrane is a double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins.
3 P35286 (/TAS) P51153 (/TAS) Q9DD03 (/TAS)
Neuron projection development GO:0031175
The process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
2 P35286 (/IMP) P51153 (/IMP)
Bicellular tight junction assembly GO:0070830
The aggregation, arrangement and bonding together of a set of components to form a tight junction, an occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet.
2 F1PTE3 (/IMP) P51153 (/IMP)
Establishment of protein localization to plasma membrane GO:0090002
The directed movement of a protein to a specific location in the plasma membrane.
2 F1PTE3 (/IMP) P51153 (/IMP)
Intracellular protein transport GO:0006886
The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
1 Q9DD03 (/TAS)
Protein kinase A signaling GO:0010737
A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase A, which occurs as a result of a single trigger reaction or compound.
1 Q9DD03 (/ISO)
Endosomal transport GO:0016197
The directed movement of substances into, out of, or mediated by an endosome, a membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
1 P51153 (/IMP)
Endosomal transport GO:0016197
The directed movement of substances into, out of, or mediated by an endosome, a membrane-bounded organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
1 Q9DD03 (/ISO)
Cortical actin cytoskeleton organization GO:0030866
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of actin-based cytoskeletal structures in the cell cortex, i.e. just beneath the plasma membrane.
1 P35286 (/IMP)
Neuron projection development GO:0031175
The process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
1 Q9DD03 (/ISO)
Endocytic recycling GO:0032456
The directed movement of membrane-bounded vesicles from recycling endosomes back to the plasma membrane where they are recycled for further rounds of transport.
1 Q9DD03 (/ISO)
Cellular response to insulin stimulus GO:0032869
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 an insulin stimulus. Insulin is a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms.
1 P35286 (/IMP)
Endothelial cell chemotaxis GO:0035767
The directed movement of an endothelial 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 Q9DD03 (/IMP)
Glucose homeostasis GO:0042593
Any process involved in the maintenance of an internal steady state of glucose within an organism or cell.
1 P35286 (/IC)
Post-translational protein modification GO:0043687
The process of covalently altering one or more amino acids in a protein after the protein has been completely translated and released from the ribosome.
1 P51153 (/TAS)
Trans-Golgi network to recycling endosome transport GO:0044795
The directed movement of substances, in membrane-bounded vesicles, from the trans-Golgi network to the recycling endosomes.
1 F1PTE3 (/IMP)
Positive regulation of glucose import GO:0046326
Any process that activates or increases the frequency, rate or extent of the import of the hexose monosaccharide glucose into a cell or organelle.
1 P35286 (/IC)
Bicellular tight junction assembly GO:0070830
The aggregation, arrangement and bonding together of a set of components to form a tight junction, an occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet.
1 Q9DD03 (/ISO)
Protein localization to plasma membrane GO:0072659
A process in which a protein is transported to, or maintained in, a specific location in the plasma membrane.
1 P35286 (/IDA)
Protein localization to plasma membrane GO:0072659
A process in which a protein is transported to, or maintained in, a specific location in the plasma membrane.
1 Q5KTJ6 (/ISS)
Establishment of protein localization to plasma membrane GO:0090002
The directed movement of a protein to a specific location in the plasma membrane.
1 Q9DD03 (/ISO)
Establishment of Sertoli cell barrier GO:0097368
Establishment of a structure near the basement membrane in adjacent Sertoli cells of the seminiferous epithelium for maintaining spermatogenesis. The structure consists of tight junctions, basal ectoplasmic specializations, and desmosome-like junctions.
1 P35286 (/IMP)
Protein localization to cell leading edge GO:1902463
A process in which a protein is transported to, or maintained in, a location within a cell leading edge.
1 Q9DD03 (/IMP)

There are 39 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
Trans-Golgi network GO:0005802
The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.
5 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
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.
5 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Lateral plasma membrane GO:0016328
The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
5 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
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.
5 F1PTE3 (/ISS) P35286 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Insulin-responsive compartment GO:0032593
A small membrane-bounded vesicle that releases its contents by exocytosis in response to insulin stimulation; the contents are enriched in GLUT4, IRAP and VAMP2.
5 F1PTE3 (/ISS) P51153 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Neuron projection GO:0043005
A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
5 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Recycling endosome GO:0055037
An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane.
5 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
Bicellular tight junction GO:0005923
An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes.
4 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Endocytic vesicle GO:0030139
A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
4 F1PTE3 (/ISS) P35286 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
4 F1PTE3 (/ISS) Q58DS5 (/ISS) Q5KTJ6 (/ISS) Q9DD03 (/ISS)
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.
3 A0A087WWB9 (/IDA) F1PTE3 (/IDA) P51153 (/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 A0A087WWB9 (/IDA) P51153 (/IDA)
Bicellular tight junction GO:0005923
An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes.
2 P51153 (/IDA) Q9DD03 (/IDA)
Endocytic vesicle GO:0030139
A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
2 P51153 (/IDA) Q9DD03 (/IDA)
Cytoplasmic vesicle membrane GO:0030659
The lipid bilayer surrounding a cytoplasmic vesicle.
2 P35286 (/TAS) Q9DD03 (/TAS)
Recycling endosome GO:0055037
An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane.
2 F1PTE3 (/IDA) P51153 (/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 Q9DD03 (/IDA)
Trans-Golgi network GO:0005802
The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.
1 P51153 (/IDA)
Trans-Golgi network GO:0005802
The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.
1 Q9DD03 (/ISO)
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 Q9DD03 (/ISO)
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 P51153 (/TAS)
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.
1 Q9DD03 (/ISO)
Cell-cell junction GO:0005911
A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
1 Q9DD03 (/IDA)
Bicellular tight junction GO:0005923
An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes.
1 Q9DD03 (/ISO)
Lateral plasma membrane GO:0016328
The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
1 P51153 (/IDA)
Lateral plasma membrane GO:0016328
The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
1 Q9DD03 (/ISO)
Extrinsic component of plasma membrane GO:0019897
The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 Q9DD03 (/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.
1 Q9DD03 (/IDA)
Cell junction GO:0030054
A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
1 P51153 (/TAS)
Endocytic vesicle GO:0030139
A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
1 Q9DD03 (/ISO)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 P51153 (/IDA)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q9DD03 (/ISO)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q9DD03 (/TAS)
Insulin-responsive compartment GO:0032593
A small membrane-bounded vesicle that releases its contents by exocytosis in response to insulin stimulation; the contents are enriched in GLUT4, IRAP and VAMP2.
1 P35286 (/IDA)
Neuron projection GO:0043005
A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
1 P51153 (/IDA)
Neuron projection GO:0043005
A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
1 Q9DD03 (/ISO)
Recycling endosome GO:0055037
An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane.
1 Q9DD03 (/ISO)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 P51153 (/IDA)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q9DD03 (/ISO)
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