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:

"
EF-hand
".

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 68: SPARC isoform 1

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
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 P07214 (/IPI) P07214 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI) P09486 (/IPI)
(3 more)
Calcium ion binding GO:0005509
Interacting selectively and non-covalently with calcium ions (Ca2+).
12 P07214 (/IDA) P07214 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
(2 more)
Extracellular matrix structural constituent GO:0005201
The action of a molecule that contributes to the structural integrity of the extracellular matrix.
11 P07214 (/RCA) P07214 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA) P09486 (/RCA)
(1 more)
Collagen binding GO:0005518
Interacting selectively and non-covalently with collagen, a group of fibrous proteins of very high tensile strength that form the main component of connective tissue in animals. Collagen is highly enriched in glycine (some regions are 33% glycine) and proline, occurring predominantly as 3-hydroxyproline (about 20%).
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Calcium ion binding GO:0005509
Interacting selectively and non-covalently with calcium ions (Ca2+).
2 P07214 (/ISO) P07214 (/ISO)
Collagen binding GO:0005518
Interacting selectively and non-covalently with collagen, a group of fibrous proteins of very high tensile strength that form the main component of connective tissue in animals. Collagen is highly enriched in glycine (some regions are 33% glycine) and proline, occurring predominantly as 3-hydroxyproline (about 20%).
2 P07214 (/ISO) P07214 (/ISO)
Extracellular matrix binding GO:0050840
Interacting selectively and non-covalently with a component of the extracellular matrix.
2 P07214 (/IDA) P07214 (/IDA)

There are 46 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
Negative regulation of endothelial cell proliferation GO:0001937
Any process that stops, prevents, or reduces the rate or extent of endothelial cell proliferation.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Platelet degranulation GO:0002576
The regulated exocytosis of secretory granules containing preformed mediators such as histamine and serotonin by a platelet.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Receptor-mediated endocytosis GO:0006898
An endocytosis process in which cell surface receptors ensure specificity of transport. A specific receptor on the cell surface binds tightly to the extracellular macromolecule (the ligand) that it recognizes; the plasma-membrane region containing the receptor-ligand complex then undergoes endocytosis, forming a transport vesicle containing the receptor-ligand complex and excluding most other plasma-membrane proteins. Receptor-mediated endocytosis generally occurs via clathrin-coated pits and vesicles.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Positive regulation of endothelial cell migration GO:0010595
Any process that increases the rate, frequency, or extent of the orderly movement of an endothelial cell into the extracellular matrix to form an endothelium.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Negative regulation of angiogenesis GO:0016525
Any process that stops, prevents, or reduces the frequency, rate or extent of angiogenesis.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Regulation of cell morphogenesis GO:0022604
Any process that modulates the frequency, rate or extent of cell morphogenesis. Cell morphogenesis is the developmental process in which the shape of a cell is generated and organized.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Extracellular matrix organization GO:0030198
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Erythrocyte differentiation GO:0030218
The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.
3 A0A0B5JPZ8 (/IGI) Q6IQH0 (/IGI) Q6PVV8 (/IGI)
Erythrocyte differentiation GO:0030218
The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Otic vesicle formation GO:0030916
The process resulting in the transition of the otic placode into the otic vesicle, a transient embryonic structure formed during development of the vertebrate inner ear.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Otolith morphogenesis GO:0032474
The process in which the anatomical structures of an otolith are generated and organized.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Semicircular canal morphogenesis GO:0048752
The process in which the anatomical structures of the semicircular canals are generated and organized.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Regulation of synapse organization GO:0050807
Any process that modulates the physical form of a synapse, the junction between a neuron and a target (neuron, muscle, or secretory cell).
3 P07214 (/ISO) P07214 (/ISO) P70663 (/ISO)
Cartilage development GO:0051216
The process whose specific outcome is the progression of a cartilage element over time, from its formation to the mature structure. Cartilage elements are skeletal elements that consist of connective tissue dominated by extracellular matrix containing collagen type II and large amounts of proteoglycan, particularly chondroitin sulfate.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Pharyngeal system development GO:0060037
The process whose specific outcome is the progression of the pharyngeal system over time, from its formation to the mature structure. The pharyngeal system is a transient embryonic complex that is specific to vertebrates. It comprises the pharyngeal arches, bulges of tissues of mesoderm and neural crest derivation through which pass nerves and pharyngeal arch arteries. The arches are separated internally by pharyngeal pouches, evaginations of foregut endoderm, and externally by pharyngeal clefts, invaginations of surface ectoderm. The development of the system ends when the stucture it contributes to are forming: the thymus, thyroid, parathyroids, maxilla, mandible, aortic arch, cardiac outflow tract, external and middle ear.
3 A0A0B5JPZ8 (/IMP) Q6IQH0 (/IMP) Q6PVV8 (/IMP)
Negative regulation of endothelial cell proliferation GO:0001937
Any process that stops, prevents, or reduces the rate or extent of endothelial cell proliferation.
2 P07214 (/ISO) P07214 (/ISO)
Positive regulation of endothelial cell migration GO:0010595
Any process that increases the rate, frequency, or extent of the orderly movement of an endothelial cell into the extracellular matrix to form an endothelium.
2 P07214 (/ISO) P07214 (/ISO)
Negative regulation of angiogenesis GO:0016525
Any process that stops, prevents, or reduces the frequency, rate or extent of angiogenesis.
2 P07214 (/ISO) P07214 (/ISO)
Regulation of cell morphogenesis GO:0022604
Any process that modulates the frequency, rate or extent of cell morphogenesis. Cell morphogenesis is the developmental process in which the shape of a cell is generated and organized.
2 P07214 (/ISO) P07214 (/ISO)
Lung development GO:0030324
The process whose specific outcome is the progression of the lung over time, from its formation to the mature structure. In all air-breathing vertebrates the lungs are developed from the ventral wall of the oesophagus as a pouch which divides into two sacs. In amphibians and many reptiles the lungs retain very nearly this primitive sac-like character, but in the higher forms the connection with the esophagus becomes elongated into the windpipe and the inner walls of the sacs become more and more divided, until, in the mammals, the air spaces become minutely divided into tubes ending in small air cells, in the walls of which the blood circulates in a fine network of capillaries. In mammals the lungs are more or less divided into lobes, and each lung occupies a separate cavity in the thorax.
2 P07214 (/ISO) P07214 (/ISO)
Regulation of cell population proliferation GO:0042127
Any process that modulates the frequency, rate or extent of cell proliferation.
2 P07214 (/IGI) P07214 (/IGI)
Pigmentation GO:0043473
The accumulation of pigment in an organism, tissue or cell, either by increased deposition or by increased number of cells.
2 P07214 (/IMP) P07214 (/IMP)
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.
2 Q14515 (/TAS) Q14515 (/TAS)
Cellular protein metabolic process GO:0044267
The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.
2 Q14515 (/TAS) Q14515 (/TAS)
Regulation of synapse organization GO:0050807
Any process that modulates the physical form of a synapse, the junction between a neuron and a target (neuron, muscle, or secretory cell).
2 P16975 (/EXP) P24054 (/EXP)
Regulation of synapse organization GO:0050807
Any process that modulates the physical form of a synapse, the junction between a neuron and a target (neuron, muscle, or secretory cell).
2 P16975 (/IDA) P24054 (/IDA)
Bone development GO:0060348
The process whose specific outcome is the progression of bone over time, from its formation to the mature structure. Bone is the hard skeletal connective tissue consisting of both mineral and cellular components.
2 P07214 (/IMP) P07214 (/IMP)
Cellular response to growth factor stimulus GO:0071363
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 a growth factor stimulus.
2 P07214 (/IDA) P07214 (/IDA)
Ossification GO:0001503
The formation of bone or of a bony substance, or the conversion of fibrous tissue or of cartilage into bone or a bony substance.
1 P16975 (/IEP)
Heart development GO:0007507
The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
1 P16975 (/IEP)
Response to gravity GO:0009629
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 gravitational stimulus.
1 P16975 (/IEP)
Response to lead ion GO:0010288
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 lead ion stimulus.
1 P16975 (/IEP)
Lung development GO:0030324
The process whose specific outcome is the progression of the lung over time, from its formation to the mature structure. In all air-breathing vertebrates the lungs are developed from the ventral wall of the oesophagus as a pouch which divides into two sacs. In amphibians and many reptiles the lungs retain very nearly this primitive sac-like character, but in the higher forms the connection with the esophagus becomes elongated into the windpipe and the inner walls of the sacs become more and more divided, until, in the mammals, the air spaces become minutely divided into tubes ending in small air cells, in the walls of which the blood circulates in a fine network of capillaries. In mammals the lungs are more or less divided into lobes, and each lung occupies a separate cavity in the thorax.
1 P16975 (/IMP)
Response to lipopolysaccharide GO:0032496
Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.
1 P16975 (/IEP)
Response to L-ascorbic acid GO:0033591
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 L-ascorbic acid (vitamin C) stimulus.
1 P16975 (/IEP)
Response to cytokine GO:0034097
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 cytokine stimulus.
1 P16975 (/IEP)
Wound healing GO:0042060
The series of events that restore integrity to a damaged tissue, following an injury.
1 P16975 (/IEP)
Response to peptide hormone GO:0043434
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 peptide hormone stimulus. A peptide hormone is any of a class of peptides that are secreted into the blood stream and have endocrine functions in living animals.
1 P16975 (/IEP)
Response to ethanol GO:0045471
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 ethanol stimulus.
1 P16975 (/IEP)
Response to cadmium ion GO:0046686
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 cadmium (Cd) ion stimulus.
1 P16975 (/IEP)
Inner ear development GO:0048839
The process whose specific outcome is the progression of the inner ear over time, from its formation to the mature structure.
1 P16975 (/IEP)
Response to glucocorticoid GO:0051384
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 glucocorticoid stimulus. Glucocorticoids are hormonal C21 corticosteroids synthesized from cholesterol with the ability to bind with the cortisol receptor and trigger similar effects. Glucocorticoids act primarily on carbohydrate and protein metabolism, and have anti-inflammatory effects.
1 P16975 (/IEP)
Response to cAMP GO:0051591
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 cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate) stimulus.
1 P16975 (/IEP)
Response to calcium ion GO:0051592
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 calcium ion stimulus.
1 P16975 (/IEP)
Synaptic membrane adhesion GO:0099560
The attachment of presynaptic membrane to postsynaptic membrane via adhesion molecules that are at least partially embedded in the plasma membrane.
1 P70663 (/IDA)
Synaptic membrane adhesion GO:0099560
The attachment of presynaptic membrane to postsynaptic membrane via adhesion molecules that are at least partially embedded in the plasma membrane.
1 P70663 (/IMP)

There are 34 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 region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
11 P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) Q14515 (/HDA)
(1 more)
Collagen-containing extracellular matrix GO:0062023
An extracellular matrix consisting mainly of proteins (especially collagen) and glycosaminoglycans (mostly as proteoglycans) that provides not only essential physical scaffolding for the cellular constituents but can also initiate crucial biochemical and biomechanical cues required for tissue morphogenesis, differentiation and homeostasis. The components are secreted by cells in the vicinity and form a sheet underlying or overlying cells such as endothelial and epithelial cells.
11 P07214 (/HDA) P07214 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA) P09486 (/HDA)
(1 more)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
10 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P16975 (/IDA)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
9 P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS) P09486 (/NAS)
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Nuclear matrix GO:0016363
The dense fibrillar network lying on the inner side of the nuclear membrane.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Platelet alpha granule GO:0031091
A secretory organelle found in blood platelets, which is unique in that it exhibits further compartmentalization and acquires its protein content via two distinct mechanisms: (1) biosynthesis predominantly at the megakaryocyte (MK) level (with some vestigial platelet synthesis) (e.g. platelet factor 4) and (2) endocytosis and pinocytosis at both the MK and circulating platelet levels (e.g. fibrinogen (Fg) and IgG).
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Platelet alpha granule membrane GO:0031092
The lipid bilayer surrounding the platelet alpha granule.
9 P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA) P09486 (/IDA)
Platelet alpha granule lumen GO:0031093
The volume enclosed by the membrane of the platelet alpha granule.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Endocytic vesicle lumen GO:0071682
The volume enclosed by the membrane of an endocytic vesicle.
9 P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS) P09486 (/TAS)
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
4 P07214 (/HDA) P07214 (/HDA) Q14515 (/HDA) Q14515 (/HDA)
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
3 P07214 (/IDA) P07214 (/IDA) P16975 (/IDA)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
3 P07214 (/ISO) P07214 (/ISO) P70663 (/ISO)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
3 P16975 (/IDA) P24054 (/IDA) P70663 (/IDA)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
3 P07214 (/ISO) P07214 (/ISO) P70663 (/ISO)
Extracellular space GO:0005615
That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
2 P07214 (/ISO) P07214 (/ISO)
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.
2 P07214 (/ISO) P07214 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 P07214 (/ISO) P07214 (/ISO)
Endoplasmic reticulum lumen GO:0005788
The volume enclosed by the membranes of the endoplasmic reticulum.
2 Q14515 (/TAS) Q14515 (/TAS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
2 P07214 (/ISO) P07214 (/ISO)
Nuclear matrix GO:0016363
The dense fibrillar network lying on the inner side of the nuclear membrane.
2 P07214 (/ISO) P07214 (/ISO)
Extracellular matrix GO:0031012
A structure lying external to one or more cells, which provides structural support, biochemical or biomechanical cues for cells or tissues.
2 P07214 (/IDA) P07214 (/IDA)
Platelet alpha granule GO:0031091
A secretory organelle found in blood platelets, which is unique in that it exhibits further compartmentalization and acquires its protein content via two distinct mechanisms: (1) biosynthesis predominantly at the megakaryocyte (MK) level (with some vestigial platelet synthesis) (e.g. platelet factor 4) and (2) endocytosis and pinocytosis at both the MK and circulating platelet levels (e.g. fibrinogen (Fg) and IgG).
2 P07214 (/ISO) P07214 (/ISO)
Platelet alpha granule membrane GO:0031092
The lipid bilayer surrounding the platelet alpha granule.
2 P07214 (/ISO) P07214 (/ISO)
Vesicle GO:0031982
Any small, fluid-filled, spherical organelle enclosed by membrane.
2 P07214 (/ISO) P07214 (/ISO)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
2 P16975 (/IDA) P24054 (/IDA)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
2 P16975 (/EXP) P24054 (/EXP)
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.
1 P16975 (/IDA)
Vesicle GO:0031982
Any small, fluid-filled, spherical organelle enclosed by membrane.
1 P16975 (/IDA)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
1 P16975 (/EXP)
Extracellular matrix of synaptic cleft GO:0098965
The portion of the extracellular matrix that lies within the synaptic cleft.
1 P24054 (/IDA)
Extracellular matrix of synaptic cleft GO:0098965
The portion of the extracellular matrix that lies within the synaptic cleft.
1 P70663 (/ISO)
Glutamatergic synapse GO:0098978
A synapse that uses glutamate as a neurotransmitter.
1 P70663 (/IMP)
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