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:

"
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 275: Putative ras-related protein Rab-2A

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
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
103 P05712 (/ISS) P53994 (/ISS) P53994 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS)
(93 more)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
103 P05712 (/ISS) P53994 (/ISS) P53994 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS)
(93 more)
GDP binding GO:0019003
Interacting selectively and non-covalently with GDP, guanosine 5'-diphosphate.
103 P05712 (/ISS) P53994 (/ISS) P53994 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS) P61105 (/ISS)
(93 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).
46 I7FN62 (/IPI) O01577 (/IPI) O01577 (/IPI) O01577 (/IPI) O01577 (/IPI) P61019 (/IPI) P61019 (/IPI) P61019 (/IPI) P61019 (/IPI) P61019 (/IPI)
(36 more)
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
37 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA)
(27 more)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
34 P05712 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA)
(24 more)
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
33 P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS)
(23 more)
GDP binding GO:0019003
Interacting selectively and non-covalently with GDP, guanosine 5'-diphosphate.
33 P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA) P61019 (/IDA)
(23 more)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
4 O01577 (/IC) O01577 (/IC) O01577 (/IC) O01577 (/IC)
GTPase activity GO:0003924
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
2 P53994 (/ISO) P53994 (/ISO)
GTP binding GO:0005525
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
2 P53994 (/ISO) P53994 (/ISO)
GDP binding GO:0019003
Interacting selectively and non-covalently with GDP, guanosine 5'-diphosphate.
2 P53994 (/ISO) P53994 (/ISO)

There are 25 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
Endoplasmic reticulum to Golgi vesicle-mediated transport GO:0006888
The directed movement of substances from the endoplasmic reticulum (ER) to the Golgi, mediated by COP II vesicles. Small COP II coated vesicles form from the ER and then fuse directly with the cis-Golgi. Larger structures are transported along microtubules to the cis-Golgi.
33 P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS)
(23 more)
Golgi organization GO:0007030
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the Golgi apparatus.
33 P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP) P61019 (/IMP)
(23 more)
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.
33 P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS)
(23 more)
Positive regulation of exocytosis GO:0045921
Any process that activates or increases the frequency, rate or extent of exocytosis.
8 Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP) Q8WUD1 (/IMP)
Regulation of locomotion involved in locomotory behavior GO:0090325
Any process that modulates the frequency, rate, or extent of the self-propelled movement of a cell or organism from one location to another in a behavioral context; the aspect of locomotory behavior having to do with movement.
5 I7FN62 (/IGI) O01577 (/IGI) O01577 (/IGI) O01577 (/IGI) O01577 (/IGI)
Regulation of locomotion involved in locomotory behavior GO:0090325
Any process that modulates the frequency, rate, or extent of the self-propelled movement of a cell or organism from one location to another in a behavioral context; the aspect of locomotory behavior having to do with movement.
5 I7FN62 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Dense core granule maturation GO:1990502
Steps required to transform a dense core granule generated at the trans-Golgi network into a fully formed and transmissible dense core granule. Dense core granule maturation proceeds through clathrin-mediated membrane remodeling events and is essential for efficient processing of cargo within dense core granules as well as for removing factors that might otherwise interfere with dense core granule trafficking and exocytosis.
5 I7FN62 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Phagolysosome assembly GO:0001845
The process that results in the fusion of a phagosome, a vesicle formed by phagocytosis, with a lysosome.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Nematode larval development GO:0002119
The process whose specific outcome is the progression of the nematode larva over time, from its formation to the mature structure. Nematode larval development begins with the newly hatched first-stage larva (L1) and ends with the end of the last larval stage (for example the fourth larval stage (L4) in C. elegans). Each stage of nematode larval development is characterized by proliferation of specific cell lineages and an increase in body size without alteration of the basic body plan. Nematode larval stages are separated by molts in which each stage-specific exoskeleton, or cuticle, is shed and replaced anew.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Locomotion GO:0040011
Self-propelled movement of a cell or organism from one location to another.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Apoptotic cell clearance GO:0043277
The recognition and removal of an apoptotic cell by a neighboring cell or by a phagocyte.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Phagolysosome assembly involved in apoptotic cell clearance GO:0090387
The process in which a phagosome, a vesicle formed by phagocytosis, fuses with a lysosome as a part of apoptotic cell clearance.
4 O01577 (/IGI) O01577 (/IGI) O01577 (/IGI) O01577 (/IGI)
Phagolysosome assembly involved in apoptotic cell clearance GO:0090387
The process in which a phagosome, a vesicle formed by phagocytosis, fuses with a lysosome as a part of apoptotic cell clearance.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/IMP)
Phagosome acidification involved in apoptotic cell clearance GO:0090390
Any process that reduces the pH of the phagosome, measured by the concentration of the hydrogen ion, and occurs as a part of apoptotic cell clearance.
4 O01577 (/IGI) O01577 (/IGI) O01577 (/IGI) O01577 (/IGI)
Phagosome acidification involved in apoptotic cell clearance GO:0090390
Any process that reduces the pH of the phagosome, measured by the concentration of the hydrogen ion, and occurs as a part of apoptotic cell clearance.
4 O01577 (/IMP) O01577 (/IMP) O01577 (/IMP) O01577 (/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.
2 P53994 (/TAS) P53994 (/TAS)
Golgi organization GO:0007030
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the Golgi apparatus.
2 P53994 (/ISO) P53994 (/ISO)
Positive regulation of exocytosis GO:0045921
Any process that activates or increases the frequency, rate or extent of exocytosis.
2 P59279 (/ISO) P59279 (/ISO)
Rab protein signal transduction GO:0032482
A series of molecular signals within the cell that are mediated by a member of the Rab family of proteins switching to a GTP-bound active state.
1 P05712 (/IC)
Positive regulation of locomotion involved in locomotory behavior GO:0090326
Any process that increases the frequency, rate, or extent of the self-propelled movement of a cell or organism from one location to another in a behavioral context; the aspect of locomotory behavior having to do with movement.
1 I7FN62 (/IGI)
Positive regulation of locomotion involved in locomotory behavior GO:0090326
Any process that increases the frequency, rate, or extent of the self-propelled movement of a cell or organism from one location to another in a behavioral context; the aspect of locomotory behavior having to do with movement.
1 I7FN62 (/IMP)
Positive regulation of oviposition GO:1901046
Any process that activates or increases the frequency, rate or extent of oviposition.
1 I7FN62 (/IGI)
Positive regulation of oviposition GO:1901046
Any process that activates or increases the frequency, rate or extent of oviposition.
1 I7FN62 (/IMP)
Positive regulation of dense core granule transport GO:1904811
Any process that activates or increases the frequency, rate or extent of dense core granule transport.
1 I7FN62 (/IGI)
Positive regulation of dense core granule transport GO:1904811
Any process that activates or increases the frequency, rate or extent of dense core granule transport.
1 I7FN62 (/IMP)

There are 29 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
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.
41 P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA)
(31 more)
Golgi membrane GO:0000139
The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
33 P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS)
(23 more)
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.
33 P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA)
(23 more)
Lysosomal membrane GO:0005765
The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
33 P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA) P61019 (/HDA)
(23 more)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
33 P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS) P61019 (/TAS)
(23 more)
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 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) P53994 (/IDA) P53994 (/IDA)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
6 I7FN62 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) P05712 (/IDA)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
6 I7FN62 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) P05712 (/IDA)
Golgi trans cisterna GO:0000138
The Golgi cisterna farthest from the endoplasmic reticulum; the final processing compartment through which proteins pass before exiting the Golgi apparatus; the compartment in which N-linked protein glycosylation is completed.
5 I7FN62 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA)
Axon GO:0030424
The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
5 I7FN62 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA)
Lysosome GO:0005764
A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
4 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA)
Endosome GO:0005768
A vacuole to which materials ingested by endocytosis are delivered.
4 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/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.
4 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/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.
4 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA)
Phagocytic vesicle GO:0045335
A membrane-bounded intracellular vesicle that arises from the ingestion of particulate material by phagocytosis.
4 O01577 (/IDA) O01577 (/IDA) O01577 (/IDA) O01577 (/IDA)
Golgi membrane GO:0000139
The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
2 P53994 (/ISO) P53994 (/ISO)
Endoplasmic reticulum membrane GO:0005789
The lipid bilayer surrounding the endoplasmic reticulum.
2 P53994 (/ISO) P53994 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
2 P53994 (/ISO) P53994 (/ISO)
Neuronal cell body GO:0043025
The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
2 P53994 (/ISO) P53994 (/ISO)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
2 P53994 (/ISO) P53994 (/ISO)
Presynapse GO:0098793
The part of a synapse that is part of the presynaptic cell.
2 P59279 (/ISO) P59279 (/ISO)
Anchored component of synaptic vesicle membrane GO:0098993
The component of the synaptic vesicle membrane consisting of the gene products that are tethered to the membrane only by a covalently attached anchor, such as a lipid group that is embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.
2 P53994 (/ISO) P53994 (/ISO)
Golgi membrane GO:0000139
The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
1 P05712 (/IDA)
Endoplasmic reticulum membrane GO:0005789
The lipid bilayer surrounding the endoplasmic reticulum.
1 P05712 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 P05712 (/IDA)
Perikaryon GO:0043204
The portion of the cell soma (neuronal cell body) that excludes the nucleus.
1 I7FN62 (/IDA)
Presynapse GO:0098793
The part of a synapse that is part of the presynaptic cell.
1 Q3B7V5 (/IDA)
Anchored component of synaptic vesicle membrane GO:0098993
The component of the synaptic vesicle membrane consisting of the gene products that are tethered to the membrane only by a covalently attached anchor, such as a lipid group that is embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.
1 P05712 (/EXP)
Anchored component of synaptic vesicle membrane GO:0098993
The component of the synaptic vesicle membrane consisting of the gene products that are tethered to the membrane only by a covalently attached anchor, such as a lipid group that is embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.
1 P05712 (/IDA)