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:

"
SH2 domain
".

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 4288: Phosphatidylinositol-3,4,5-trisphosphate 5-phospha...

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 17 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).
11 O14796 (/IPI) O15357 (/IPI) O35324 (/IPI) O60880 (/IPI) O88890 (/IPI) P97573 (/IPI) Q45HK4 (/IPI) Q6P549 (/IPI) Q92835 (/IPI) Q9ES52 (/IPI)
(1 more)
Inositol-polyphosphate 5-phosphatase activity GO:0004445
Catalysis of the reactions: D-myo-inositol 1,4,5-trisphosphate + H2O = myo-inositol 1,4-bisphosphate + phosphate, and 1D-myo-inositol 1,3,4,5-tetrakisphosphate + H2O = 1D-myo-inositol 1,3,4-trisphosphate + phosphate.
2 Q9ES52 (/IDA) Q9WVR3 (/IDA)
Phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase activity GO:0034485
Catalysis of the reaction: phosphatidylinositol-3,4,5-trisphosphate + H2O = phosphatidylinositol-3,4-bisphosphate + phosphate.
2 O15357 (/TAS) Q92835 (/TAS)
Inositol-1,3,4,5-tetrakisphosphate 5-phosphatase activity GO:0052659
Catalysis of the reaction: 1D-myo-inositol 1,3,4,5-tetrakisphosphate + H2O = 1D-myo-inositol 1,3,4-trisphosphate + phosphate.
2 O15357 (/TAS) Q92835 (/TAS)
Phosphotyrosine binding GO:0001784
Interacting selectively and non-covalently with a phosphorylated tyrosine residue within a protein.
1 O35324 (/IDA)
Inositol-polyphosphate 5-phosphatase activity GO:0004445
Catalysis of the reactions: D-myo-inositol 1,4,5-trisphosphate + H2O = myo-inositol 1,4-bisphosphate + phosphate, and 1D-myo-inositol 1,3,4,5-tetrakisphosphate + H2O = 1D-myo-inositol 1,3,4-trisphosphate + phosphate.
1 Q92835 (/TAS)
SH3/SH2 adaptor activity GO:0005070
Interacting selectively and non-covalently and simultaneously with one or more signal transduction molecules, usually acting as a scaffold to bring these molecules into close proximity either using their own SH2/SH3 domains (e.g. Grb2) or those of their target molecules (e.g. SAM68).
1 O60880 (/NAS)
Phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547
Interacting selectively and non-covalently with phosphatidylinositol-3,4,5-trisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3', 4' and 5' positions.
1 Q9WVR3 (/IDA)
Phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase activity GO:0016314
Catalysis of the reaction: phosphatidylinositol-3,4,5-trisphosphate + H2O = phosphatidylinositol-4,5-bisphosphate + phosphate.
1 Q92835 (/TAS)
SH3 domain binding GO:0017124
Interacting selectively and non-covalently with a SH3 domain (Src homology 3) of a protein, small protein modules containing approximately 50 amino acid residues found in a great variety of intracellular or membrane-associated proteins.
1 Q9ES52 (/IDA)
Inositol-4,5-bisphosphate 5-phosphatase activity GO:0030487
Catalysis of the reaction: 1D-myo-inositol 4,5-bisphosphate + H2O = 1D-myo-inositol 4-phosphate + phosphate.
1 P97573 (/IDA)
Protein binding, bridging GO:0030674
The binding activity of a molecule that brings together two or more protein molecules, or a protein and another macromolecule or complex, through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way.
1 O14796 (/TAS)
Phosphatidylinositol trisphosphate phosphatase activity GO:0034594
Catalysis of the reaction: phosphatidylinositol trisphosphate + H2O = phosphatidylinositol bisphosphate + phosphate.
1 Q9ES52 (/IDA)
Signaling adaptor activity GO:0035591
The binding activity of a molecule that brings together two or more molecules in a signaling pathway, permitting those molecules to function in a coordinated way. Adaptor molecules themselves do not have catalytic activity.
1 O35324 (/NAS)
SH2 domain binding GO:0042169
Interacting selectively and non-covalently with a SH2 domain (Src homology 2) of a protein, a protein domain of about 100 amino-acid residues and belonging to the alpha + beta domain class.
1 O15357 (/IPI)
SH2 domain binding GO:0042169
Interacting selectively and non-covalently with a SH2 domain (Src homology 2) of a protein, a protein domain of about 100 amino-acid residues and belonging to the alpha + beta domain class.
1 Q6P549 (/ISO)
PTB domain binding GO:0051425
Interacting selectively and non-covalently with a phosphotyrosine-binding (PTB) domain of a protein.
1 Q9ES52 (/IDA)

There are 72 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 natural killer cell mediated cytotoxicity GO:0045954
Any process that activates or increases the frequency, rate or extent of natural killer cell mediated cytotoxicity.
3 O35324 (/IGI) O88890 (/IGI) Q45HK4 (/IGI)
Negative regulation of neutrophil chemotaxis GO:0090024
Any process that decreases the frequency, rate, or extent of neutrophil chemotaxis. Neutrophil chemotaxis is the directed movement of a neutrophil cell, the most numerous polymorphonuclear leukocyte found in the blood, in response to an external stimulus, usually an infection or wounding.
3 E7F1C2 (/IGI) E9QIN2 (/IGI) Q2I6J1 (/IGI)
Endochondral ossification GO:0001958
Replacement ossification wherein bone tissue replaces cartilage.
2 Q6P549 (/ISS) Q9WVR3 (/ISS)
Phosphatidylinositol biosynthetic process GO:0006661
The chemical reactions and pathways resulting in the formation of phosphatidylinositol, any glycophospholipid in which the sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
2 O15357 (/TAS) Q92835 (/TAS)
Negative regulation of cell proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
2 Q6P549 (/IDA) Q9ES52 (/IDA)
Peptidyl-tyrosine phosphorylation GO:0018108
The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
2 O35324 (/IDA) Q45HK4 (/IDA)
Inositol phosphate metabolic process GO:0043647
The chemical reactions and pathways involving inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
2 O15357 (/TAS) Q92835 (/TAS)
Negative regulation of natural killer cell mediated cytotoxicity GO:0045953
Any process that stops, prevents, or reduces the rate of natural killer mediated cytotoxicity.
2 O35324 (/IMP) Q45HK4 (/IMP)
Positive regulation of peptidyl-tyrosine phosphorylation GO:0050731
Any process that activates or increases the frequency, rate or extent of the phosphorylation of peptidyl-tyrosine.
2 O35324 (/IDA) Q45HK4 (/IDA)
Regulation of immune response GO:0050776
Any process that modulates the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
2 O14796 (/TAS) O60880 (/TAS)
Endochondral ossification GO:0001958
Replacement ossification wherein bone tissue replaces cartilage.
1 O15357 (/IMP)
Endochondral ossification GO:0001958
Replacement ossification wherein bone tissue replaces cartilage.
1 Q6P549 (/ISO)
Leukocyte activation involved in immune response GO:0002366
A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
1 O35324 (/IDA)
Leukocyte activation involved in immune response GO:0002366
A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
1 O14796 (/ISS)
Positive regulation of natural killer cell mediated immunity GO:0002717
Any process that activates or increases the frequency, rate, or extent of natural killer cell mediated immunity.
1 O35324 (/IMP)
Positive regulation of natural killer cell mediated immunity GO:0002717
Any process that activates or increases the frequency, rate, or extent of natural killer cell mediated immunity.
1 O14796 (/ISS)
Natural killer cell inhibitory signaling pathway GO:0002769
A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of a natural killer cell capable of inhibiting an immune effector process contributing to an immune response.
1 O35324 (/IMP)
Glucose metabolic process GO:0006006
The chemical reactions and pathways involving glucose, the aldohexose gluco-hexose. D-glucose is dextrorotatory and is sometimes known as dextrose; it is an important source of energy for living organisms and is found free as well as combined in homo- and hetero-oligosaccharides and polysaccharides.
1 Q6P549 (/IMP)
Phosphatidylinositol biosynthetic process GO:0006661
The chemical reactions and pathways resulting in the formation of phosphatidylinositol, any glycophospholipid in which the sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
1 Q6P549 (/IMP)
Phosphate-containing compound metabolic process GO:0006796
The chemical reactions and pathways involving the phosphate group, the anion or salt of any phosphoric acid.
1 Q92835 (/TAS)
Endocytosis GO:0006897
A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
1 O15357 (/IMP)
Endocytosis GO:0006897
A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
1 Q6P549 (/ISO)
Humoral immune response GO:0006959
An immune response mediated through a body fluid.
1 O88890 (/IMP)
Cellular defense response GO:0006968
A defense response that is mediated by cells.
1 O60880 (/NAS)
Actin filament organization GO:0007015
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.
1 O15357 (/IMP)
Actin filament organization GO:0007015
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.
1 Q6P549 (/ISO)
Cell adhesion GO:0007155
The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
1 O15357 (/TAS)
Signal transduction GO:0007165
The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
1 Q92835 (/TAS)
Cell-cell signaling GO:0007267
Any process that mediates the transfer of information from one cell to another. This process includes signal transduction in the receiving cell and, where applicable, release of a ligand and any processes that actively facilitate its transport and presentation to the receiving cell. Examples include signaling via soluble ligands, via cell adhesion molecules and via gap junctions.
1 O60880 (/IDA)
Cell-cell signaling GO:0007267
Any process that mediates the transfer of information from one cell to another. This process includes signal transduction in the receiving cell and, where applicable, release of a ligand and any processes that actively facilitate its transport and presentation to the receiving cell. Examples include signaling via soluble ligands, via cell adhesion molecules and via gap junctions.
1 O88890 (/ISO)
Brain development GO:0007420
The process whose specific outcome is the progression of the brain over time, from its formation to the mature structure. Brain development begins with patterning events in the neural tube and ends with the mature structure that is the center of thought and emotion. The brain is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.).
1 Q9WVR3 (/IEP)
Negative regulation of DNA replication GO:0008156
Any process that stops, prevents, or reduces the frequency, rate or extent of DNA replication.
1 Q9WVR3 (/IMP)
Determination of adult lifespan GO:0008340
The control of viability and duration in the adult phase of the life-cycle.
1 Q9ES52 (/IMP)
Post-embryonic development GO:0009791
The process whose specific outcome is the progression of the organism over time, from the completion of embryonic development to the mature structure. See embryonic development.
1 Q6P549 (/IMP)
Positive regulation of signal transduction GO:0009967
Any process that activates or increases the frequency, rate or extent of signal transduction.
1 O35324 (/NAS)
Negative regulation of signal transduction GO:0009968
Any process that stops, prevents, or reduces the frequency, rate or extent of signal transduction.
1 Q9ES52 (/IMP)
Negative regulation of gene expression GO:0010629
Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA (for protein-coding genes) and the translation of that mRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 Q6P549 (/IMP)
Negative regulation of platelet-derived growth factor receptor signaling pathway GO:0010642
Any process that stops, prevents, or reduces the frequency, rate or extent of the platelet-derived growth factor receptor signaling pathway.
1 Q9WVR3 (/IMP)
Negative regulation of neuron projection development GO:0010977
Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is 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 Q9WVR3 (/IMP)
Immunoglobulin mediated immune response GO:0016064
An immune response mediated by immunoglobulins, whether cell-bound or in solution.
1 Q9ES52 (/IMP)
BMP signaling pathway GO:0030509
A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
1 Q2I6J1 (/IMP)
Negative regulation of granulocyte differentiation GO:0030853
Any process that stops, prevents, or reduces the frequency, rate or extent of granulocyte differentiation.
1 Q9ES52 (/IMP)
Negative regulation of B cell proliferation GO:0030889
Any process that stops, prevents or reduces the rate or extent of B cell proliferation.
1 Q9ES52 (/IMP)
Negative regulation of interferon-gamma production GO:0032689
Any process that stops, prevents, or reduces the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
1 O35324 (/IMP)
Regulation of natural killer cell activation GO:0032814
Any process that modulates the frequency, rate or extent of natural killer cell activation.
1 Q45HK4 (/IGI)
Response to insulin GO:0032868
Any process that results in a change in state or activity of a cell or an organism (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 Q6P549 (/IMP)
Inositol trisphosphate metabolic process GO:0032957
The chemical reactions and pathways involving myo-inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with three phosphate groups attached.
1 Q9WVR3 (/IDA)
Intracellular signal transduction GO:0035556
The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.
1 Q9ES52 (/IMP)
Negative regulation of fibroblast growth factor receptor signaling pathway GO:0040037
Any process that stops, prevents, or reduces the frequency, rate or extent of fibroblast growth factor receptor signaling pathway activity.
1 Q2I6J1 (/IMP)
Response to drug GO:0042493
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.
1 Q9WVR3 (/IEP)
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 Q9ES52 (/IMP)
Negative regulation of MAP kinase activity GO:0043407
Any process that stops, prevents, or reduces the frequency, rate or extent of MAP kinase activity.
1 Q9WVR3 (/IMP)
Negative regulation of insulin-like growth factor receptor signaling pathway GO:0043569
Any process that stops, prevents, or reduces the frequency, rate or extent of insulin-like growth factor receptor signaling.
1 Q9WVR3 (/IMP)
Cellular lipid metabolic process GO:0044255
The chemical reactions and pathways involving lipids, as carried out by individual cells.
1 Q6P549 (/IMP)
Positive regulation of innate immune response GO:0045089
Any process that activates or increases the frequency, rate or extent of the innate immune response, the organism's first line of defense against infection.
1 O35324 (/IDA)
Positive regulation of innate immune response GO:0045089
Any process that activates or increases the frequency, rate or extent of the innate immune response, the organism's first line of defense against infection.
1 O14796 (/ISS)
Negative regulation of interleukin-6 biosynthetic process GO:0045409
Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-6.
1 Q9ES52 (/IMP)
Positive regulation of B cell differentiation GO:0045579
Any process that activates or increases the frequency, rate or extent of B cell differentiation.
1 Q9ES52 (/IMP)
Positive regulation of lymphocyte differentiation GO:0045621
Any process that activates or increases the frequency, rate or extent of lymphocyte differentiation.
1 Q9ES52 (/IMP)
Positive regulation of erythrocyte differentiation GO:0045648
Any process that activates or increases the frequency, rate or extent of erythrocyte differentiation.
1 Q9ES52 (/IMP)
Negative regulation of monocyte differentiation GO:0045656
Any process that stops, prevents, or reduces the frequency, rate or extent of monocyte differentiation.
1 Q9ES52 (/IMP)
Negative regulation of neutrophil differentiation GO:0045659
Any process that stops, prevents, or reduces the frequency, rate or extent of neutrophil differentiation.
1 Q9ES52 (/IMP)
Negative regulation of osteoclast differentiation GO:0045671
Any process that stops, prevents, or reduces the frequency, rate or extent of osteoclast differentiation.
1 Q9ES52 (/IMP)
Negative regulation of bone resorption GO:0045779
Any process that stops, prevents, or reduces the frequency, rate or extent of bone resorption.
1 Q9ES52 (/IMP)
Positive regulation of natural killer cell mediated cytotoxicity GO:0045954
Any process that activates or increases the frequency, rate or extent of natural killer cell mediated cytotoxicity.
1 O88890 (/IMP)
Negative regulation of insulin receptor signaling pathway GO:0046627
Any process that stops, prevents, or reduces the frequency, rate or extent of insulin receptor signaling.
1 Q9WVR3 (/IMP)
Negative regulation of peptidyl-tyrosine phosphorylation GO:0050732
Any process that stops, prevents, or reduces the frequency, rate or extent of the phosphorylation of peptidyl-tyrosine.
1 O35324 (/IMP)
Negative regulation of immune response GO:0050777
Any process that stops, prevents, or reduces the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
1 Q9ES52 (/IMP)
T cell receptor signaling pathway GO:0050852
A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
1 Q92835 (/TAS)
Negative regulation of B cell activation GO:0050869
Any process that stops, prevents, or reduces the frequency, rate or extent of B cell activation.
1 Q9ES52 (/IMP)
Leukocyte migration GO:0050900
The movement of a leukocyte within or between different tissues and organs of the body.
1 Q92835 (/TAS)
Ruffle assembly GO:0097178
The aggregation, arrangement and bonding together of a set of components to form a ruffle, a projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork. The formation of ruffles (also called membrane ruffling) is thought to be controlled by a group of enzymes known as Rho GTPases, specifically RhoA, Rac1 and cdc42.
1 Q6P549 (/IMP)

There are 13 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.
7 A0A0C5A9Q6 (/IDA) A0A0C5AMM3 (/IDA) O15357 (/IDA) P97573 (/IDA) Q92835 (/IDA) W5U6G9 (/IDA) W5UIG7 (/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.
5 A0A0C5A9Q6 (/IDA) A0A0C5AMM3 (/IDA) Q6P549 (/IDA) W5U6G9 (/IDA) W5UIG7 (/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.
4 O14796 (/TAS) O15357 (/TAS) O60880 (/TAS) Q92835 (/TAS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 O60880 (/IDA) Q6P549 (/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 Q6P549 (/ISO) Q9ES52 (/ISO)
Intracellular GO:0005622
The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
1 O14796 (/IDA)
Intracellular GO:0005622
The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
1 O35324 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 O88890 (/ISO)
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 O15357 (/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 Q6P549 (/ISO)
Actin filament GO:0005884
A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
1 P97573 (/IDA)
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 Q9WVR3 (/IDA)
Cortical cytoskeleton GO:0030863
The portion of the cytoskeleton that lies just beneath the plasma membrane.
1 P97573 (/IDA)