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:

"
Trypsin-like serine proteases
".

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 4: Tryptase gamma 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 19 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 P00772 (/IPI) P00772 (/IPI) P20231 (/IPI) P20231 (/IPI) P21845 (/IPI) P21845 (/IPI) Q15661 (/IPI) Q15661 (/IPI) Q16651 (/IPI) Q6ISP9 (/IPI)
(1 more)
Serine-type endopeptidase activity GO:0004252
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
7 Q8INA1 (/ISM) Q8MTU7 (/ISM) Q8SX49 (/ISM) Q9VEM5 (/ISM) Q9VEM8 (/ISM) Q9VEM9 (/ISM) Q9VEN0 (/ISM)
Serine-type peptidase activity GO:0008236
Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
7 P20231 (/TAS) P20231 (/TAS) Q15661 (/TAS) Q15661 (/TAS) Q16651 (/TAS) Q9BZJ3 (/TAS) Q9NRR2 (/TAS)
Serine-type endopeptidase activity GO:0004252
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
5 P08861 (/NAS) P20231 (/NAS) P20231 (/NAS) Q15661 (/NAS) Q15661 (/NAS)
Serine-type endopeptidase activity GO:0004252
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
5 P08217 (/TAS) P08218 (/TAS) P08861 (/TAS) P09093 (/TAS) Q6IE62 (/TAS)
Peptidase activity GO:0008233
Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
4 P21845 (/IDA) P21845 (/IDA) Q02844 (/IDA) Q02844 (/IDA)
Serine-type peptidase activity GO:0008236
Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
4 A0A3B2W3F1 (/IDA) Q80UR4 (/IDA) Q924N9 (/IDA) Q99MS4 (/IDA)
Heparin binding GO:0008201
Interacting selectively and non-covalently with heparin, any member of a group of glycosaminoglycans found mainly as an intracellular component of mast cells and which consist predominantly of alternating alpha-(1->4)-linked D-galactose and N-acetyl-D-glucosamine-6-sulfate residues.
3 P21845 (/IDA) P21845 (/IDA) Q80UR4 (/IDA)
Peptidase activity GO:0008233
Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
2 P08861 (/TAS) Q99895 (/TAS)
Serine-type peptidase activity GO:0008236
Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
2 Q924N9 (/IMP) Q99MS4 (/IMP)
Serine-type peptidase activity GO:0008236
Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
2 Q9QUL7 (/ISS) Q9QUL7 (/ISS)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 Q15661 (/IPI) Q15661 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 P21845 (/ISO) P21845 (/ISO)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
2 Q924N9 (/IPI) Q99MS4 (/IPI)
Glycosaminoglycan binding GO:0005539
Interacting selectively and non-covalently with any glycan (polysaccharide) containing a substantial proportion of aminomonosaccharide residues.
1 Q80UR4 (/IDA)
Peptidase activity GO:0008233
Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
1 Q3SYP2 (/ISO)
Sodium channel regulator activity GO:0017080
Modulates the activity of a sodium channel.
1 Q9ESD1 (/IMP)
Serine hydrolase activity GO:0017171
Catalysis of the hydrolysis of a substrate by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
1 P08217 (/IDA)
Serine hydrolase activity GO:0017171
Catalysis of the hydrolysis of a substrate by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
1 P05208 (/ISO)

There are 42 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
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
5 Q8MTU7 (/ISM) Q8SX49 (/ISM) Q9VEM5 (/ISM) Q9VEM8 (/ISM) Q9VEM9 (/ISM)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
3 Q02844 (/IDA) Q02844 (/IDA) Q99MS4 (/IDA)
Blastocyst hatching GO:0001835
The hatching of the cellular blastocyst from the zona pellucida.
2 Q924N9 (/IGI) Q99MS4 (/IGI)
Blastocyst hatching GO:0001835
The hatching of the cellular blastocyst from the zona pellucida.
2 Q924N9 (/IMP) Q99MS4 (/IMP)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
2 A0A3B2W3F1 (/IC) Q80UR4 (/IC)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
2 Q924N9 (/IMP) Q99MS4 (/IMP)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
2 P08861 (/TAS) Q99895 (/TAS)
Defense response GO:0006952
Reactions, triggered in response to the presence of a foreign body or the occurrence of an injury, which result in restriction of damage to the organism attacked or prevention/recovery from the infection caused by the attack.
2 Q15661 (/TAS) Q15661 (/TAS)
Inflammatory response GO:0006954
The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.
2 P21845 (/TAS) P21845 (/TAS)
Embryo implantation GO:0007566
Attachment of the blastocyst to the uterine lining.
2 Q924N9 (/IGI) Q99MS4 (/IGI)
Extracellular matrix disassembly GO:0022617
A process that results in the breakdown of the extracellular matrix.
2 Q15661 (/IDA) Q15661 (/IDA)
Extracellular matrix disassembly GO:0022617
A process that results in the breakdown of the extracellular matrix.
2 Q15661 (/TAS) Q15661 (/TAS)
Negative regulation of blood coagulation GO:0030195
Any process that stops, prevents, or reduces the frequency, rate or extent of blood coagulation.
2 Q02844 (/TAS) Q02844 (/TAS)
Cornification GO:0070268
A type of programmed cell death that occurs in the epidermis, morphologically and biochemically distinct from apoptosis. It leads to the formation of corneocytes, i.e. dead keratinocytes containing an amalgam of specific proteins (e.g., keratin, loricrin, SPR and involucrin) and lipids (e.g., fatty acids and ceramides), which are necessary for the function of the cornified skin layer (mechanical resistance, elasticity, water repellence and structural stability).
2 P08217 (/TAS) Q16651 (/TAS)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q91X79 (/IMP)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
1 Q3SYP2 (/ISO)
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 Q3SYP2 (/ISO)
Inflammatory response GO:0006954
The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.
1 Q91X79 (/IMP)
Germ cell development GO:0007281
The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism.
1 Q8VIF2 (/IDA)
Spermatogenesis GO:0007283
The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.
1 Q8VIF2 (/IDA)
Embryo implantation GO:0007566
Attachment of the blastocyst to the uterine lining.
1 Q924N9 (/IMP)
Cobalamin metabolic process GO:0009235
The chemical reactions and pathways involving cobalamin (vitamin B12), a water-soluble vitamin characterized by possession of a corrin nucleus containing a cobalt atom.
1 Q99895 (/TAS)
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 Q91X79 (/IMP)
Positive regulation of sodium ion transport GO:0010765
Any process that increases the frequency, rate or extent of the directed movement of sodium ions (Na+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
1 Q9ESD1 (/IGI)
Wnt signaling pathway GO:0016055
The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
1 Q91X79 (/IMP)
Peptide cross-linking via chondroitin 4-sulfate glycosaminoglycan GO:0019800
The formation of a cross-link between peptide chains mediated by a chondroitin 4-sulfate glycosaminoglycan that originates from a typical O-glycosidic link to serine of one chain; the other chain is esterified, via the alpha-carbon of its C-terminal Asp, to C-6 of an internal N-acetylgalactosamine of the glycosaminoglycan chain.
1 Q80UR4 (/IDA)
Exocrine pancreas development GO:0031017
The process whose specific outcome is the progression of the exocrine pancreas over time, from its formation to the mature structure. The exocrine pancreas produces and store zymogens of digestive enzymes, such as chymotrypsinogen and trypsinogen in the acinar cells.
1 Q91X79 (/IMP)
Multicellular organism growth GO:0035264
The increase in size or mass of an entire multicellular organism, as opposed to cell growth.
1 Q91X79 (/IMP)
Regulation of cell population proliferation GO:0042127
Any process that modulates the frequency, rate or extent of cell proliferation.
1 Q91X79 (/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 Q9ES87 (/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 Q9ES87 (/IEP)
Regulation of cell differentiation GO:0045595
Any process that modulates the frequency, rate or extent of cell differentiation, the process in which relatively unspecialized cells acquire specialized structural and functional features.
1 Q91X79 (/IMP)
Positive regulation of angiogenesis GO:0045766
Any process that activates or increases angiogenesis.
1 Q91X79 (/IDA)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
1 Q91X79 (/IMP)
Tissue remodeling GO:0048771
The reorganization or renovation of existing tissues. This process can either change the characteristics of a tissue such as in blood vessel remodeling, or result in the dynamic equilibrium of a tissue such as in bone remodeling.
1 Q91X79 (/IMP)
Response to mineralocorticoid GO:0051385
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 mineralocorticoid stimulus. Mineralocorticoids are hormonal C21 corticosteroids synthesized from cholesterol and characterized by their similarity to aldosterone. Mineralocorticoids act primarily on water and electrolyte balance.
1 Q9ES87 (/IEP)
Digestive system development GO:0055123
The process whose specific outcome is the progression of the digestive system over time, from its formation to the mature structure. The digestive system is the entire structure in which digestion takes place. Digestion is all of the physical, chemical, and biochemical processes carried out by multicellular organisms to break down ingested nutrients into components that may be easily absorbed and directed into metabolism.
1 Q91X79 (/IMP)
Elastin catabolic process GO:0060309
The chemical reactions and pathways resulting in the breakdown of elastin. Elastin is a glycoprotein which is randomly coiled and crosslinked to form elastic fibers that are found in connective tissue.
1 Q91X79 (/IMP)
Pancreas morphogenesis GO:0061113
Morphogenesis of the pancreas. Morphogenesis is the process in which anatomical structures are generated and organized.
1 Q91X79 (/IMP)
Transepithelial transport GO:0070633
The directed movement of a substance from one side of an epithelium to the other.
1 Q9ESD1 (/IMP)
Positive regulation of sodium ion transmembrane transport GO:1902307
Any process that activates or increases the frequency, rate or extent of sodium ion transmembrane transport.
1 Q9ES87 (/IDA)
Positive regulation of sodium ion transmembrane transport GO:1902307
Any process that activates or increases the frequency, rate or extent of sodium ion transmembrane transport.
1 Q9ESD1 (/ISO)

There are 23 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.
8 P08217 (/TAS) P08218 (/TAS) P21845 (/TAS) P21845 (/TAS) Q15661 (/TAS) Q15661 (/TAS) Q16651 (/TAS) Q99895 (/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.
7 Q02844 (/IDA) Q02844 (/IDA) Q80UR4 (/IDA) Q924N9 (/IDA) Q99MS4 (/IDA) Q9ES87 (/IDA) Q9ESD1 (/IDA)
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.
5 P05208 (/HDA) P20231 (/HDA) P20231 (/HDA) Q91X79 (/HDA) Q9CQ52 (/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 Q15661 (/HDA) Q15661 (/HDA) Q16651 (/HDA)
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 A0A3B2W3F1 (/IDA) Q16651 (/IDA) Q8BJR6 (/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.
2 Q15661 (/HDA) Q15661 (/HDA)
Mast cell granule GO:0042629
Coarse, bluish-black staining cytoplasmic granules, bounded by a plasma membrane and found in mast cells and basophils. Contents include histamine, heparin, chondroitin sulfates, chymase and tryptase.
2 Q02844 (/IDA) Q02844 (/IDA)
Anchored component of plasma membrane GO:0046658
The component of the plasma membrane consisting of the gene products that are tethered to the membrane only by a covalently attached anchor, such as a lipid group, that is embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.
2 Q8VIF2 (/IDA) Q9ESD1 (/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.
1 Q924N9 (/IDA)
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.
1 Q9ESD1 (/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.
1 Q16651 (/TAS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q8VIF2 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 P08217 (/TAS)
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 Q9ESD1 (/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 Q16651 (/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.
1 Q9NRR2 (/TAS)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 A0A3B2W3F1 (/IDA)
Extrinsic component of plasma membrane GO:0019897
The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 Q9ESD1 (/IDA)
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.
1 Q80UR4 (/IDA)
Keratohyalin granule GO:0036457
A cytoplasmic, non-membrane bound granule of, at least, keratinocyte. Associated to keratin intermediate filaments and partially crosslinked to the cell envelope.
1 P08217 (/IDA)
Keratohyalin granule GO:0036457
A cytoplasmic, non-membrane bound granule of, at least, keratinocyte. Associated to keratin intermediate filaments and partially crosslinked to the cell envelope.
1 P05208 (/ISO)
Membrane raft GO:0045121
Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
1 Q9ESD1 (/IDA)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q16651 (/HDA)
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