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:

"
Pancreatic trypsin inhibitor Kunitz 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 14: Serine peptidase inhibitor, Kunitz type, 2

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 4 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
Endopeptidase inhibitor activity GO:0004866
Stops, prevents or reduces the activity of an endopeptidase, any enzyme that hydrolyzes nonterminal peptide bonds in polypeptides.
2 O43291 (/TAS) O43291 (/TAS)
Serine-type endopeptidase inhibitor activity GO:0004867
Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
2 O43291 (/IDA) O43291 (/IDA)
Serine-type endopeptidase inhibitor activity GO:0004867
Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
2 Q9WU03 (/ISO) Q9WU03 (/ISO)
Serine-type endopeptidase inhibitor activity GO:0004867
Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
2 O43291 (/TAS) O43291 (/TAS)

There are 13 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
Neural tube closure GO:0001843
The last step in the formation of the neural tube, where the paired neural folds are brought together and fuse at the dorsal midline.
2 Q9WU03 (/IGI) Q9WU03 (/IGI)
Neural tube closure GO:0001843
The last step in the formation of the neural tube, where the paired neural folds are brought together and fuse at the dorsal midline.
2 Q9WU03 (/IMP) Q9WU03 (/IMP)
Establishment or maintenance of cell polarity GO:0007163
Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.
2 Q9WU03 (/IMP) Q9WU03 (/IMP)
Negative regulation of cell-cell adhesion GO:0022408
Any process that stops, prevents or reduces the rate or extent of cell adhesion to another cell.
2 O43291 (/IDA) O43291 (/IDA)
Negative regulation of cell-cell adhesion GO:0022408
Any process that stops, prevents or reduces the rate or extent of cell adhesion to another cell.
2 Q9WU03 (/ISO) Q9WU03 (/ISO)
Epithelial cell morphogenesis involved in placental branching GO:0060672
The change in form (cell shape and size) that occurs when a trophoblast cell elongates to contribute to the branching of the placenta.
2 Q9WU03 (/IGI) Q9WU03 (/IGI)
Epithelial cell morphogenesis involved in placental branching GO:0060672
The change in form (cell shape and size) that occurs when a trophoblast cell elongates to contribute to the branching of the placenta.
2 Q9WU03 (/IMP) Q9WU03 (/IMP)
Basement membrane organization GO:0071711
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the basement membrane.
2 Q9WU03 (/IMP) Q9WU03 (/IMP)
Cellular response to BMP stimulus GO:0071773
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 bone morphogenetic protein (BMP) stimulus.
2 G3V8S0 (/IEP) G3V8S0 (/IEP)
Negative regulation of cell motility GO:2000146
Any process that stops, prevents, or reduces the frequency, rate or extent of cell motility.
2 O43291 (/IDA) O43291 (/IDA)
Negative regulation of cell motility GO:2000146
Any process that stops, prevents, or reduces the frequency, rate or extent of cell motility.
2 Q9WU03 (/ISO) Q9WU03 (/ISO)
Negative regulation of neural precursor cell proliferation GO:2000178
Any process that stops, prevents, or reduces the frequency, rate or extent of neural precursor cell proliferation.
2 G3V8S0 (/IMP) G3V8S0 (/IMP)
Negative regulation of neural precursor cell proliferation GO:2000178
Any process that stops, prevents, or reduces the frequency, rate or extent of neural precursor cell proliferation.
2 Q9WU03 (/ISO) Q9WU03 (/ISO)

There are 7 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.
2 O43291 (/TAS) O43291 (/TAS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 O43291 (/IDA) O43291 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q9WU03 (/ISO) Q9WU03 (/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.
2 G3V8S0 (/IDA) G3V8S0 (/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 Q9WU03 (/ISO) Q9WU03 (/ISO)
Integral component of membrane GO:0016021
The component of a 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 O43291 (/TAS) O43291 (/TAS)
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 P86733 (/IDA)