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: waiting to be named.

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 2: Vacuolar protein sorting-associated protein 33A

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 3 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
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).
9 Q63615 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI) Q96AX1 (/IPI)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
1 Q63615 (/IPI)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
1 Q9D2N9 (/ISO)

There are 21 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
Endosome to lysosome transport GO:0008333
The directed movement of substances from endosomes to lysosomes.
8 Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP)
Vesicle-mediated transport GO:0016192
A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
Platelet formation GO:0030220
The process in which platelets bud from long processes extended by megakaryocytes.
8 Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS)
Melanosome localization GO:0032400
Any process in which a melanosome is transported to, and/or maintained in, a specific location within the cell.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
Lysosome localization GO:0032418
Any process in which a lysosome is transported to, and/or maintained in, a specific location.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
Regulation of lysosomal lumen pH GO:0035751
Any process that modulates the pH of the lysosomal lumen, measured by the concentration of the hydrogen ion.
8 Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP)
Regulation of developmental pigmentation GO:0048070
Any process that modulates the frequency, rate or extent of the developmental process that results in the deposition of coloring matter in an organism.
8 Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS)
Autophagosome maturation GO:0097352
Removal of PI3P and Atg8/LC3 after the closure of the phagophore and before the fusion with the endosome/lysosome (e.g. mammals and insects) or vacuole (yeast), and that very likely destabilizes other Atg proteins and thus enables their efficient dissociation and recycling.
8 Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP) Q96AX1 (/IMP)
Regulation of lysosomal lumen pH GO:0035751
Any process that modulates the pH of the lysosomal lumen, measured by the concentration of the hydrogen ion.
2 Q63615 (/ISS) Q9D2N9 (/ISS)
Vacuole organization GO:0007033
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a vacuole.
1 F4JE40 (/TAS)
Endosome to lysosome transport GO:0008333
The directed movement of substances from endosomes to lysosomes.
1 Q9D2N9 (/ISO)
Vesicle-mediated transport GO:0016192
A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane.
1 Q9D2N9 (/ISO)
Vesicle-mediated transport GO:0016192
A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane.
1 Q54F53 (/ISS)
Platelet formation GO:0030220
The process in which platelets bud from long processes extended by megakaryocytes.
1 Q9D2N9 (/IMP)
Melanosome localization GO:0032400
Any process in which a melanosome is transported to, and/or maintained in, a specific location within the cell.
1 Q9D2N9 (/ISO)
Lysosome localization GO:0032418
Any process in which a lysosome is transported to, and/or maintained in, a specific location.
1 Q9D2N9 (/ISO)
Regulation of lysosomal lumen pH GO:0035751
Any process that modulates the pH of the lysosomal lumen, measured by the concentration of the hydrogen ion.
1 Q9D2N9 (/ISO)
Vacuole fusion, non-autophagic GO:0042144
The fusion of two vacuole membranes to form a single vacuole.
1 Q54F53 (/ISS)
Pigmentation GO:0043473
The accumulation of pigment in an organism, tissue or cell, either by increased deposition or by increased number of cells.
1 Q9D2N9 (/IMP)
Regulation of developmental pigmentation GO:0048070
Any process that modulates the frequency, rate or extent of the developmental process that results in the deposition of coloring matter in an organism.
1 Q9D2N9 (/IMP)
Autophagosome maturation GO:0097352
Removal of PI3P and Atg8/LC3 after the closure of the phagophore and before the fusion with the endosome/lysosome (e.g. mammals and insects) or vacuole (yeast), and that very likely destabilizes other Atg proteins and thus enables their efficient dissociation and recycling.
1 Q9D2N9 (/ISO)

There are 20 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
Lysosomal membrane GO:0005765
The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
11 B2RDH6 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q96AX1 (/HDA) Q9H6C4 (/HDA)
(1 more)
Autophagosome GO:0005776
A double-membrane-bounded compartment that engulfs endogenous cellular material as well as invading microorganisms to target them to the lytic vacuole/lysosome for degradation as part of macroautophagy.
9 Q63615 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS) Q96AX1 (/ISS)
HOPS complex GO:0030897
A multimeric protein complex that associates with the vacuolar membrane, late endosomal (multivesicular body) and lysosomal membranes. HOPS is a tethering complex involved in vesicle fusion.
9 Q94KJ7 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/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.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
Late endosome GO:0005770
A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
8 Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA) Q96AX1 (/IDA)
CORVET complex GO:0033263
A multimeric protein complex that acts as an endosomal tethering complex (CORVET = class C core vacuole/endosome tethering) by cooperating with Rab GTPases to capture endosomal vesicles and trap them prior to the action of SNAREs; the complex is involved in endo-lysosomal biogenesis and required for transport between endosome and vacuole. The Saccharomyces cerevisiae complex contains Vps8p, Vps3p, Pep5p, Vps16p, Pep3p, and Vps33p.
2 Q94KJ7 (/IDA) Q9D2N9 (/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.
1 Q9D2N9 (/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.
1 Q63615 (/ISS)
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 Q9D2N9 (/ISO)
Late endosome GO:0005770
A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
1 Q9D2N9 (/ISO)
Autophagosome GO:0005776
A double-membrane-bounded compartment that engulfs endogenous cellular material as well as invading microorganisms to target them to the lytic vacuole/lysosome for degradation as part of macroautophagy.
1 Q9D2N9 (/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.
1 F4JE40 (/IDA)
Plant-type vacuole membrane GO:0009705
The lipid bilayer surrounding a vacuole that retains the same shape regardless of cell cycle phase. The membrane separates its contents from the cytoplasm of the cell. An example of this component is found in Arabidopsis thaliana.
1 F4JE40 (/IDA)
HOPS complex GO:0030897
A multimeric protein complex that associates with the vacuolar membrane, late endosomal (multivesicular body) and lysosomal membranes. HOPS is a tethering complex involved in vesicle fusion.
1 Q9D2N9 (/ISO)
HOPS complex GO:0030897
A multimeric protein complex that associates with the vacuolar membrane, late endosomal (multivesicular body) and lysosomal membranes. HOPS is a tethering complex involved in vesicle fusion.
1 Q54F53 (/ISS)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q63615 (/IDA)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 Q9D2N9 (/ISO)
Protein-containing complex GO:0032991
A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.
1 Q94KJ7 (/IPI)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
1 Q9D2N9 (/ISO)