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:

"
Frizzled cysteine-rich 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 9: Muscle, skeletal, receptor tyrosine kinase

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 11 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).
12 A0A0R4IEH7 (/IPI) A0A0R4IJJ5 (/IPI) A0A0R4IZ74 (/IPI) A4JYH2 (/IPI) A4JYH3 (/IPI) O15146 (/IPI) Q5J1R8 (/IPI) Q5J1R9 (/IPI) Q61006 (/IPI) Q61006 (/IPI)
(2 more)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
8 A0A0R4IEH7 (/IDA) A0A0R4IJJ5 (/IDA) A0A0R4IZ74 (/IDA) A4JYH2 (/IDA) A4JYH3 (/IDA) Q5J1R8 (/IDA) Q5J1R9 (/IDA) Q7ZZ92 (/IDA)
Protein tyrosine kinase activity GO:0004713
Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
3 O15146 (/ISS) Q61006 (/ISS) Q61006 (/ISS)
Protein tyrosine kinase activity GO:0004713
Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
2 Q62838 (/IDA) Q9V6K3 (/IDA)
Protein tyrosine kinase activity GO:0004713
Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
2 Q61006 (/ISO) Q61006 (/ISO)
Transmembrane receptor protein tyrosine kinase activity GO:0004714
Combining with a signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity by catalysis of the reaction: ATP + a protein-L-tyrosine = ADP + a protein-L-tyrosine phosphate.
2 Q61006 (/TAS) Q61006 (/TAS)
Protein kinase binding GO:0019901
Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
2 Q61006 (/ISO) Q61006 (/ISO)
PDZ domain binding GO:0030165
Interacting selectively and non-covalently with a PDZ domain of a protein, a domain found in diverse signaling proteins.
2 Q61006 (/IPI) Q61006 (/IPI)
Transmembrane receptor protein tyrosine kinase activity GO:0004714
Combining with a signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity by catalysis of the reaction: ATP + a protein-L-tyrosine = ADP + a protein-L-tyrosine phosphate.
1 Q9V6K3 (/ISS)
Protein kinase binding GO:0019901
Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
1 Q62838 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 Q5J1R9 (/IPI)

There are 57 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
Receptor clustering GO:0043113
The receptor metabolic process that results in grouping of a set of receptors at a cellular location, often to amplify the sensitivity of a signaling response.
11 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q61006 (/IMP) Q61006 (/IMP) Q62838 (/IMP)
(1 more)
Skeletal muscle acetylcholine-gated channel clustering GO:0071340
The accumulation of acetylcholine-gated cation channels in a narrow, central region of muscle fibers, in apposition to nerve terminals.
10 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q61006 (/IMP) Q61006 (/IMP) Q7ZZ92 (/IMP)
Axon guidance GO:0007411
The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
8 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q7ZZ92 (/IMP)
Motor neuron axon guidance GO:0008045
The process in which the migration of an axon growth cone of a motor neuron is directed to a specific target site in response to a combination of attractive and repulsive cues.
8 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q7ZZ92 (/IMP)
Negative regulation of axon extension GO:0030517
Any process that stops, prevents, or reduces the frequency, rate or extent of axon outgrowth.
8 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q7ZZ92 (/IMP)
Synaptic growth at neuromuscular junction GO:0051124
The growth of a synapse at a neuromuscular junction, the site of apposition of a motor end plate and the subneural cleft of the skeletal muscle fiber that it innervates.
8 A0A0R4IEH7 (/IMP) A0A0R4IJJ5 (/IMP) A0A0R4IZ74 (/IMP) A4JYH2 (/IMP) A4JYH3 (/IMP) Q5J1R8 (/IMP) Q5J1R9 (/IMP) Q7ZZ92 (/IMP)
Positive regulation of protein phosphorylation GO:0001934
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
4 O15146 (/IMP) Q61006 (/IMP) Q61006 (/IMP) Q62838 (/IMP)
Neuromuscular junction development GO:0007528
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
4 O15146 (/ISS) Q61006 (/ISS) Q61006 (/ISS) Q62838 (/ISS)
Positive regulation of protein phosphorylation GO:0001934
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
3 O15146 (/ISS) Q61006 (/ISS) Q61006 (/ISS)
Regulation of synaptic growth at neuromuscular junction GO:0008582
Any process that modulates the frequency, rate or extent of synaptic growth at neuromuscular junctions.
3 O15146 (/ISS) Q62838 (/ISS) Q8AXY6 (/ISS)
Positive regulation of protein phosphorylation GO:0001934
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
2 Q61006 (/ISO) Q61006 (/ISO)
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
2 Q61006 (/IMP) Q61006 (/IMP)
Neuromuscular junction development GO:0007528
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
2 Q61006 (/IGI) Q61006 (/IGI)
Neuromuscular junction development GO:0007528
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
2 Q61006 (/ISO) Q61006 (/ISO)
Memory GO:0007613
The activities involved in the mental information processing system that receives (registers), modifies, stores, and retrieves informational stimuli. The main stages involved in the formation and retrieval of memory are encoding (processing of received information by acquisition), storage (building a permanent record of received information as a result of consolidation) and retrieval (calling back the stored information and use it in a suitable way to execute a given task).
2 Q61006 (/ISO) Q61006 (/ISO)
Regulation of synaptic growth at neuromuscular junction GO:0008582
Any process that modulates the frequency, rate or extent of synaptic growth at neuromuscular junctions.
2 Q61006 (/IMP) Q61006 (/IMP)
Positive regulation of gene expression GO:0010628
Any process that increases 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 or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
2 Q61006 (/ISO) Q61006 (/ISO)
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 or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
2 Q61006 (/ISO) Q61006 (/ISO)
Positive regulation of synaptic transmission, cholinergic GO:0032224
Any process that activates, maintains or increases the frequency, rate or extent of cholinergic synaptic transmission, the process of communication from a neuron to another neuron across a synapse using the neurotransmitter acetylcholine.
2 Q61006 (/ISO) Q61006 (/ISO)
Receptor clustering GO:0043113
The receptor metabolic process that results in grouping of a set of receptors at a cellular location, often to amplify the sensitivity of a signaling response.
2 Q61006 (/IGI) Q61006 (/IGI)
Receptor clustering GO:0043113
The receptor metabolic process that results in grouping of a set of receptors at a cellular location, often to amplify the sensitivity of a signaling response.
2 Q61006 (/ISO) Q61006 (/ISO)
Positive regulation of neuron apoptotic process GO:0043525
Any process that activates or increases the frequency, rate or extent of cell death of neurons by apoptotic process.
2 Q61006 (/IMP) Q61006 (/IMP)
Positive regulation of synaptic growth at neuromuscular junction GO:0045887
Any process that activates or increases the frequency, rate or extent of synaptic growth at neuromuscular junction.
2 Q61006 (/ISO) Q61006 (/ISO)
Protein autophosphorylation GO:0046777
The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
2 Q61006 (/ISO) Q61006 (/ISO)
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 Q61006 (/ISO) Q61006 (/ISO)
Response to electrical stimulus GO:0051602
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 electrical stimulus.
2 Q61006 (/ISO) Q61006 (/ISO)
Long-term synaptic potentiation GO:0060291
A process that modulates synaptic plasticity such that synapses are changed resulting in the increase in the rate, or frequency of synaptic transmission at the synapse.
2 Q61006 (/ISO) Q61006 (/ISO)
Positive regulation of skeletal muscle acetylcholine-gated channel clustering GO:1904395
Any process that activates or increases the frequency, rate or extent of skeletal muscle acetylcholine-gated channel clustering.
2 Q61006 (/IMP) Q61006 (/IMP)
Positive regulation of protein geranylgeranylation GO:2000541
Any process that activates or increases the frequency, rate or extent of protein geranylgeranylation.
2 Q61006 (/IMP) Q61006 (/IMP)
Positive regulation of protein phosphorylation GO:0001934
Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
1 Q62838 (/IDA)
Protein phosphorylation GO:0006468
The process of introducing a phosphate group on to a protein.
1 Q9V6K3 (/IDA)
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 Q9V6K3 (/IDA)
Transmembrane receptor protein tyrosine kinase signaling pathway GO:0007169
A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.
1 O15146 (/TAS)
Neuromuscular junction development GO:0007528
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
1 O15146 (/IDA)
Neuromuscular junction development GO:0007528
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
1 Q62838 (/IEP)
Memory GO:0007613
The activities involved in the mental information processing system that receives (registers), modifies, stores, and retrieves informational stimuli. The main stages involved in the formation and retrieval of memory are encoding (processing of received information by acquisition), storage (building a permanent record of received information as a result of consolidation) and retrieval (calling back the stored information and use it in a suitable way to execute a given task).
1 Q62838 (/IMP)
Memory GO:0007613
The activities involved in the mental information processing system that receives (registers), modifies, stores, and retrieves informational stimuli. The main stages involved in the formation and retrieval of memory are encoding (processing of received information by acquisition), storage (building a permanent record of received information as a result of consolidation) and retrieval (calling back the stored information and use it in a suitable way to execute a given task).
1 O15146 (/ISS)
Positive regulation of gene expression GO:0010628
Any process that increases 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 or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 Q62838 (/IMP)
Positive regulation of gene expression GO:0010628
Any process that increases 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 or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 O15146 (/ISS)
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 or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 Q62838 (/IDA)
Response to muscle activity GO:0014850
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 muscle activity stimulus.
1 Q62838 (/IEP)
Positive regulation of synaptic transmission, cholinergic GO:0032224
Any process that activates, maintains or increases the frequency, rate or extent of cholinergic synaptic transmission, the process of communication from a neuron to another neuron across a synapse using the neurotransmitter acetylcholine.
1 Q62838 (/IMP)
Rhabdomere development GO:0042052
The assembly and arrangement of a rhabdomere within a cell. The rhabdomere is the organelle on the apical surface of a photoreceptor cell that contains the visual pigments.
1 Q9V6K3 (/IMP)
Positive regulation of synaptic growth at neuromuscular junction GO:0045887
Any process that activates or increases the frequency, rate or extent of synaptic growth at neuromuscular junction.
1 Q62838 (/IMP)
Muscle cell cellular homeostasis GO:0046716
The cellular homeostatic process that preserves a muscle cell in a stable functional or structural state.
1 Q9V6K3 (/IGI)
Muscle cell cellular homeostasis GO:0046716
The cellular homeostatic process that preserves a muscle cell in a stable functional or structural state.
1 Q9V6K3 (/IMP)
Protein autophosphorylation GO:0046777
The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
1 Q62838 (/IDA)
Protein autophosphorylation GO:0046777
The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
1 O15146 (/ISS)
Response to axon injury GO:0048678
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 axon injury stimulus.
1 Q62838 (/IEP)
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.
1 Q62838 (/IDA)
Response to electrical stimulus GO:0051602
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 electrical stimulus.
1 Q62838 (/IMP)
Retina development in camera-type eye GO:0060041
The process whose specific outcome is the progression of the retina over time, from its formation to the mature structure. The retina is the innermost layer or coating at the back of the eyeball, which is sensitive to light and in which the optic nerve terminates.
1 Q62838 (/IEP)
Long-term synaptic potentiation GO:0060291
A process that modulates synaptic plasticity such that synapses are changed resulting in the increase in the rate, or frequency of synaptic transmission at the synapse.
1 Q62838 (/IMP)
Skeletal muscle acetylcholine-gated channel clustering GO:0071340
The accumulation of acetylcholine-gated cation channels in a narrow, central region of muscle fibers, in apposition to nerve terminals.
1 O15146 (/ISS)
Photoreceptor cell axon guidance GO:0072499
The chemotaxis process that directs the migration of a photoreceptor cell axon growth cone to its target in the optic lobe in response to a combination of attractive and repulsive cues.
1 Q9V6K3 (/IMP)
Cochlea development GO:0090102
The progression of the cochlea over time from its formation to the mature structure. The cochlea is the snail-shaped portion of the inner ear that is responsible for the detection of sound.
1 Q62838 (/IEP)
Positive regulation of protein geranylgeranylation GO:2000541
Any process that activates or increases the frequency, rate or extent of protein geranylgeranylation.
1 O15146 (/ISS)

There are 19 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
Postsynaptic membrane GO:0045211
A specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters cross the synaptic cleft and transmit the signal to the postsynaptic membrane.
10 A0A0R4IEH7 (/IDA) A0A0R4IJJ5 (/IDA) A0A0R4IZ74 (/IDA) A4JYH2 (/IDA) A4JYH3 (/IDA) Q5J1R8 (/IDA) Q5J1R9 (/IDA) Q61006 (/IDA) Q61006 (/IDA) Q7ZZ92 (/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.
3 Q62838 (/ISS) Q8AXY6 (/ISS) Q9V6K3 (/ISS)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
3 Q61006 (/IDA) Q61006 (/IDA) Q62838 (/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.
2 Q61006 (/IDA) Q61006 (/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.
2 Q61006 (/TAS) Q61006 (/TAS)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
2 Q61006 (/IDA) Q61006 (/IDA)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
2 Q61006 (/TAS) Q61006 (/TAS)
External side of plasma membrane GO:0009897
The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
2 Q61006 (/ISO) Q61006 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
2 Q61006 (/IDA) Q61006 (/IDA)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
2 Q61006 (/ISO) Q61006 (/ISO)
Cell projection GO:0042995
A prolongation or process extending from a cell, e.g. a flagellum or axon.
2 Q61006 (/ISO) Q61006 (/ISO)
Receptor complex GO:0043235
Any protein complex that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
2 Q61006 (/ISO) Q61006 (/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 Q61006 (/IDA) Q61006 (/IDA)
Integral component of plasma membrane GO:0005887
The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
1 O15146 (/ISS)
External side of plasma membrane GO:0009897
The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
1 Q62838 (/IDA)
Neuromuscular junction GO:0031594
The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
1 O15146 (/ISS)
Cell projection GO:0042995
A prolongation or process extending from a cell, e.g. a flagellum or axon.
1 Q62838 (/IDA)
Receptor complex GO:0043235
Any protein complex that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
1 O15146 (/IDA)
Postsynaptic membrane GO:0045211
A specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters cross the synaptic cleft and transmit the signal to the postsynaptic membrane.
1 O15146 (/ISS)