The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:

"
GPCR, family 2, extracellular hormone receptor 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 5: Parathyroid hormone/parathyroid hormone-related pe...

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 16 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
Parathyroid hormone receptor activity GO:0004991
Combining with parathyroid hormone to initiate a change in cell activity.
12 A0A2R8RX00 (/IDA) A2AVI7 (/IDA) B0S4Y6 (/IDA) F1QGZ1 (/IDA) P25961 (/IDA) P70555 (/IDA) Q03431 (/IDA) Q03431 (/IDA) Q32PR7 (/IDA) Q9PVD2 (/IDA)
(2 more)
Peptide hormone binding GO:0017046
Interacting selectively and non-covalently with any peptide with hormonal activity in animals.
8 P25107 (/ISS) P25961 (/ISS) P41593 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
8 P25107 (/ISS) P25961 (/ISS) P41593 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
Peptide hormone binding GO:0017046
Interacting selectively and non-covalently with any peptide with hormonal activity in animals.
7 A2AVI7 (/IDA) F1QGZ1 (/IDA) P25961 (/IDA) Q03431 (/IDA) Q03431 (/IDA) Q9PVD2 (/IDA) Q9PVD3 (/IDA)
Parathyroid hormone receptor activity GO:0004991
Combining with parathyroid hormone to initiate a change in cell activity.
6 P25107 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
Protein self-association GO:0043621
Interacting selectively and non-covalently with a domain within the same polypeptide.
6 P25107 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
Peptide receptor activity GO:0001653
Combining with an extracellular or intracellular peptide to initiate a change in cell activity.
4 A0A2R8RX00 (/IDA) B0S4Y6 (/IDA) Q32PR7 (/IDA) Q9PWB7 (/IDA)
Parathyroid hormone receptor activity GO:0004991
Combining with parathyroid hormone to initiate a change in cell activity.
4 P41593 (/TAS) P49190 (/TAS) Q03431 (/TAS) Q03431 (/TAS)
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).
3 P49190 (/IPI) Q03431 (/IPI) Q03431 (/IPI)
Parathyroid hormone receptor activity GO:0004991
Combining with parathyroid hormone to initiate a change in cell activity.
2 P41593 (/ISO) Q91V95 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
2 Q03431 (/IDA) Q03431 (/IDA)
Protein self-association GO:0043621
Interacting selectively and non-covalently with a domain within the same polypeptide.
2 Q03431 (/IDA) Q03431 (/IDA)
Parathyroid hormone receptor activity GO:0004991
Combining with parathyroid hormone to initiate a change in cell activity.
1 P41593 (/IMP)
Peptide hormone binding GO:0017046
Interacting selectively and non-covalently with any peptide with hormonal activity in animals.
1 P41593 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 P41593 (/ISO)
Protein self-association GO:0043621
Interacting selectively and non-covalently with a domain within the same polypeptide.
1 P41593 (/ISO)

There are 37 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
Adenylate cyclase-activating G protein-coupled receptor signaling pathway GO:0007189
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation of adenylyl cyclase activity and a subsequent increase in the concentration of cyclic AMP (cAMP).
9 P25107 (/ISS) P41593 (/ISS) P50133 (/ISS) P50133 (/ISS) Q03431 (/ISS) Q03431 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
Adenylate cyclase-activating G protein-coupled receptor signaling pathway GO:0007189
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation of adenylyl cyclase activity and a subsequent increase in the concentration of cyclic AMP (cAMP).
7 A0A2R8RX00 (/IDA) B0S4Y6 (/IDA) P25961 (/IDA) Q03431 (/IDA) Q03431 (/IDA) Q32PR7 (/IDA) Q9PWB7 (/IDA)
Adenylate cyclase-modulating G protein-coupled receptor signaling pathway GO:0007188
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation or inhibition of adenylyl cyclase activity and a subsequent change in the concentration of cyclic AMP (cAMP).
6 P25107 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
G protein-coupled receptor signaling pathway GO:0007186
A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).
3 P49190 (/TAS) Q03431 (/TAS) Q03431 (/TAS)
Adenylate cyclase-modulating G protein-coupled receptor signaling pathway GO:0007188
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation or inhibition of adenylyl cyclase activity and a subsequent change in the concentration of cyclic AMP (cAMP).
3 P25961 (/IDA) Q03431 (/IDA) Q03431 (/IDA)
Phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation of phospholipase C (PLC) and a subsequent increase in the concentration of inositol trisphosphate (IP3) and diacylglycerol (DAG).
3 P25961 (/IC) Q03431 (/IC) Q03431 (/IC)
Positive regulation of inositol phosphate biosynthetic process GO:0060732
Any process that increases the rate, frequency or extent of inositol phosphate biosynthesis. Inositol phosphate biosynthetic processes are the chemical reactions and pathways resulting in the formation of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
3 A2AVI7 (/IDA) P25961 (/IDA) Q9PVD3 (/IDA)
Positive regulation of cold-induced thermogenesis GO:0120162
Any process that activates or increases the frequency, rate or extent of cold-induced thermogenesis.
3 G3V800 (/ISS) P49190 (/ISS) P70555 (/ISS)
Skeletal system development GO:0001501
The process whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. The skeleton is the bony framework of the body in vertebrates (endoskeleton) or the hard outer envelope of insects (exoskeleton or dermoskeleton).
2 Q03431 (/TAS) Q03431 (/TAS)
G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger GO:0007187
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation or inhibition of a nucleotide cyclase activity and a subsequent change in the concentration of a cyclic nucleotide.
2 Q03431 (/TAS) Q03431 (/TAS)
Dorsal aorta development GO:0035907
The progression of the dorsal aorta over time, from its initial formation to the mature structure. The dorsal aorta is a blood vessel in a single-pass circulatory system that carries oxygenated blood from the gills to the rest of the body. In a single-pass circulatory system blood passes once through the heart to supply the body once.
2 A2AVI7 (/IMP) Q9PVD3 (/IMP)
Positive regulation of inositol phosphate biosynthetic process GO:0060732
Any process that increases the rate, frequency or extent of inositol phosphate biosynthesis. Inositol phosphate biosynthetic processes are the chemical reactions and pathways resulting in the formation of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
2 Q03431 (/ISS) Q03431 (/ISS)
Skeletal system development GO:0001501
The process whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. The skeleton is the bony framework of the body in vertebrates (endoskeleton) or the hard outer envelope of insects (exoskeleton or dermoskeleton).
1 P41593 (/IMP)
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 P41593 (/IMP)
In utero embryonic development GO:0001701
The process whose specific outcome is the progression of the embryo in the uterus over time, from formation of the zygote in the oviduct, to birth. An example of this process is found in Mus musculus.
1 P41593 (/IMP)
Chondrocyte differentiation GO:0002062
The process in which a chondroblast acquires specialized structural and/or functional features of a chondrocyte. A chondrocyte is a polymorphic cell that forms cartilage.
1 P41593 (/IGI)
Chondrocyte differentiation GO:0002062
The process in which a chondroblast acquires specialized structural and/or functional features of a chondrocyte. A chondrocyte is a polymorphic cell that forms cartilage.
1 P41593 (/IMP)
Osteoblast development GO:0002076
The process whose specific outcome is the progression of an osteoblast over time, from its formation to the mature structure. Osteoblast development does not include the steps involved in committing a cranial neural crest cell or an osteoprogenitor cell to an osteoblast fate. An osteoblast is a cell that gives rise to bone.
1 P41593 (/IMP)
Cellular calcium ion homeostasis GO:0006874
Any process involved in the maintenance of an internal steady state of calcium ions at the level of a cell.
1 P41593 (/IMP)
G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger GO:0007187
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation or inhibition of a nucleotide cyclase activity and a subsequent change in the concentration of a cyclic nucleotide.
1 P25961 (/IMP)
G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger GO:0007187
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation or inhibition of a nucleotide cyclase activity and a subsequent change in the concentration of a cyclic nucleotide.
1 P41593 (/ISO)
Adenylate cyclase-modulating G protein-coupled receptor signaling pathway GO:0007188
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation or inhibition of adenylyl cyclase activity and a subsequent change in the concentration of cyclic AMP (cAMP).
1 P41593 (/ISO)
Adenylate cyclase-activating G protein-coupled receptor signaling pathway GO:0007189
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation of adenylyl cyclase activity and a subsequent increase in the concentration of cyclic AMP (cAMP).
1 P41593 (/IMP)
Adenylate cyclase-activating G protein-coupled receptor signaling pathway GO:0007189
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds through activation of adenylyl cyclase activity and a subsequent increase in the concentration of cyclic AMP (cAMP).
1 P41593 (/ISO)
Phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation of phospholipase C (PLC) and a subsequent increase in the concentration of inositol trisphosphate (IP3) and diacylglycerol (DAG).
1 P25961 (/IDA)
Phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation of phospholipase C (PLC) and a subsequent increase in the concentration of inositol trisphosphate (IP3) and diacylglycerol (DAG).
1 P41593 (/IMP)
Phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200
The series of molecular signals generated as a consequence of a G protein-coupled receptor binding to its physiological ligand, where the pathway proceeds with activation of phospholipase C (PLC) and a subsequent increase in the concentration of inositol trisphosphate (IP3) and diacylglycerol (DAG).
1 P41593 (/ISO)
Positive regulation of cytosolic calcium ion concentration GO:0007204
Any process that increases the concentration of calcium ions in the cytosol.
1 P25961 (/IDA)
Positive regulation of cytosolic calcium ion concentration GO:0007204
Any process that increases the concentration of calcium ions in the cytosol.
1 P41593 (/ISO)
Aging GO:0007568
A developmental process that is a deterioration and loss of function over time. Aging includes loss of functions such as resistance to disease, homeostasis, and fertility, as well as wear and tear. Aging includes cellular senescence, but is more inclusive. May precede death and may succeed developmental maturation (GO:0021700).
1 P25961 (/IEP)
Positive regulation of cell population proliferation GO:0008284
Any process that activates or increases the rate or extent of cell proliferation.
1 P41593 (/IGI)
Negative regulation of cell population proliferation GO:0008285
Any process that stops, prevents or reduces the rate or extent of cell proliferation.
1 P41593 (/IMP)
Bone mineralization GO:0030282
The deposition of hydroxyapatite, a form of calcium phosphate with the formula Ca10(PO4)6(OH)2, in bone tissue.
1 P41593 (/IMP)
Bone resorption GO:0045453
The process in which specialized cells known as osteoclasts degrade the organic and inorganic portions of bone, and endocytose and transport the degradation products.
1 P41593 (/IMP)
Cell maturation GO:0048469
A developmental process, independent of morphogenetic (shape) change, that is required for a cell to attain its fully functional state.
1 P41593 (/IMP)
Positive regulation of inositol phosphate biosynthetic process GO:0060732
Any process that increases the rate, frequency or extent of inositol phosphate biosynthesis. Inositol phosphate biosynthetic processes are the chemical reactions and pathways resulting in the formation of an inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
1 P41593 (/ISO)
Positive regulation of cold-induced thermogenesis GO:0120162
Any process that activates or increases the frequency, rate or extent of cold-induced thermogenesis.
1 Q91V95 (/IMP)

There are 25 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
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.
6 P25107 (/ISS) P50133 (/ISS) P50133 (/ISS) Q1LZF7 (/ISS) Q5RAQ1 (/ISS) Q9TU31 (/ISS)
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 P49190 (/TAS) Q03431 (/TAS) Q03431 (/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.
3 P49190 (/TAS) Q03431 (/TAS) Q03431 (/TAS)
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 Q03431 (/TAS) Q03431 (/TAS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q03431 (/TAS) Q03431 (/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 Q03431 (/IDA) Q03431 (/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 Q03431 (/IMP) Q03431 (/IMP)
Basolateral plasma membrane GO:0016323
The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
2 Q03431 (/ISS) Q03431 (/ISS)
Apical plasma membrane GO:0016324
The region of the plasma membrane located at the apical end of the cell.
2 Q03431 (/ISS) Q03431 (/ISS)
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 Q03431 (/ISS) Q03431 (/ISS)
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 P25961 (/IDA)
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 P41593 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P25961 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P41593 (/ISO)
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.
1 P25961 (/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.
1 P41593 (/ISO)
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 P41593 (/ISO)
Basolateral plasma membrane GO:0016323
The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
1 P25961 (/IDA)
Basolateral plasma membrane GO:0016323
The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
1 P41593 (/ISO)
Apical plasma membrane GO:0016324
The region of the plasma membrane located at the apical end of the cell.
1 P25961 (/IDA)
Apical plasma membrane GO:0016324
The region of the plasma membrane located at the apical end of the cell.
1 P41593 (/ISO)
Brush border membrane GO:0031526
The portion of the plasma membrane surrounding the brush border.
1 P25961 (/IDA)
Brush border membrane GO:0031526
The portion of the plasma membrane surrounding the brush border.
1 P41593 (/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.
1 P25961 (/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 P41593 (/ISO)
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