The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
C2 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 15674: Calpain 5, isoform CRA_a

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
Calcium-dependent cysteine-type endopeptidase activity GO:0004198
Catalysis of the hydrolysis of nonterminal peptide bonds in a polypeptide chain by a mechanism using a cysteine residue at the enzyme active center, and requiring the presence of calcium.
2 O15484 (/TAS) Q9Y6Q1 (/TAS)
Microtubule binding GO:0008017
Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.
2 O88501 (/ISS) Q9Y6Q1 (/ISS)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
1 Q22036 (/IDA)
Cysteine-type endopeptidase activity GO:0004197
Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
1 Q22036 (/IMP)
Calcium-dependent cysteine-type endopeptidase activity GO:0004198
Catalysis of the hydrolysis of nonterminal peptide bonds in a polypeptide chain by a mechanism using a cysteine residue at the enzyme active center, and requiring the presence of calcium.
1 Q22036 (/ISS)
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).
1 O35646 (/IPI)
Microtubule binding GO:0008017
Interacting selectively and non-covalently with microtubules, filaments composed of tubulin monomers.
1 O35646 (/IDA)

There are 16 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
Microtubule bundle formation GO:0001578
A process that results in a parallel arrangement of microtubules.
2 O88501 (/ISS) Q9Y6Q1 (/ISS)
Regulation of cytoskeleton organization GO:0051493
Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures.
2 O88501 (/ISS) Q9Y6Q1 (/ISS)
Ovarian follicle development GO:0001541
The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.
1 Q8R4C0 (/IEP)
Luteinization GO:0001553
The set of processes resulting in differentiation of theca and granulosa cells into luteal cells and in the formation of a corpus luteum after ovulation.
1 Q8R4C0 (/IEP)
Microtubule bundle formation GO:0001578
A process that results in a parallel arrangement of microtubules.
1 O35646 (/IMP)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
1 Q22036 (/IDA)
Proteolysis GO:0006508
The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
1 Q22036 (/ISS)
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 O15484 (/TAS)
Protein autoprocessing GO:0016540
Processing which a protein carries out itself. This involves actions such as the autolytic removal of residues to generate the mature form of the protein.
1 Q22036 (/IDA)
Female germ-line sex determination GO:0019099
The determination of sex and sexual phenotype in a female organism's germ line.
1 Q22036 (/IMP)
Membrane protein intracellular domain proteolysis GO:0031293
The proteolytic cleavage of a transmembrane protein leading to the release of an intracellular domain.
1 Q22036 (/IDA)
Hermaphrodite somatic sex determination GO:0042001
The determination of sex and sexual phenotypes in a hermaphroditic organism's soma. An example of this is found in Caenorhabditis elegans.
1 Q22036 (/IGI)
Hermaphrodite somatic sex determination GO:0042001
The determination of sex and sexual phenotypes in a hermaphroditic organism's soma. An example of this is found in Caenorhabditis elegans.
1 Q22036 (/IMP)
Feminization of hermaphrodite soma GO:0042004
Promotion of female sex and sexual phenotypes in the hermaphroditic soma. An example of this is found in Caenorhabditis elegans.
1 Q22036 (/IMP)
Regulation of cytoskeleton organization GO:0051493
Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures.
1 O35646 (/IMP)
Granulosa cell differentiation GO:0060014
The process in which a relatively unspecialized cell acquires the specialized features of a granulosa cell, a supporting cell for the developing female gamete in the ovary of mammals.
1 Q8R4C0 (/IEP)

There are 15 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
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
2 O08688 (/ISS) Q8R4C0 (/ISS)
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 Q9Y6Q1 (/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 O35646 (/ISO)
Microtubule GO:0005874
Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.
1 O35646 (/IDA)
Spindle microtubule GO:0005876
Any microtubule that is part of a mitotic or meiotic spindle; anchored at one spindle pole.
1 Q9Y6Q1 (/IDA)
Spindle microtubule GO:0005876
Any microtubule that is part of a mitotic or meiotic spindle; anchored at one spindle pole.
1 O35646 (/ISO)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
1 O15484 (/IDA)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
1 O08688 (/ISO)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 O15484 (/IDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 O08688 (/ISO)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q22036 (/TAS)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
1 Q9Y6Q1 (/IDA)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
1 O35646 (/ISO)
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 O15484 (/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 O08688 (/ISO)
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