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:

"
Ribonuclease Inhibitor
".

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 3: Acidic leucine-rich nuclear phosphoprotein 32 fami...

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).
21 O35381 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI) P39687 (/IPI)
(11 more)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
17 P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA) P39687 (/HDA)
(7 more)
Histone binding GO:0042393
Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity.
6 P97822 (/ISS) Q5F4A3 (/ISS) Q5XIE0 (/ISS) Q6NUW5 (/ISS) Q7ZY40 (/ISS) Q7ZY40 (/ISS)
Phosphatase inhibitor activity GO:0019212
Stops, prevents or reduces the activity of a phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a substrate molecule.
4 Q5F4A3 (/ISS) Q5ZJD6 (/ISS) Q9BTT0 (/ISS) Q9BTT0 (/ISS)
Histone binding GO:0042393
Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity.
3 Q92688 (/IDA) Q9BTT0 (/IDA) Q9BTT0 (/IDA)
Protein-containing complex binding GO:0044877
Interacting selectively and non-covalently with a macromolecular complex.
2 A3RL83 (/IDA) Q5ZMN0 (/IDA)
Integrin binding GO:0005178
Interacting selectively and non-covalently with an integrin.
1 P49911 (/IPI)
Protein C-terminus binding GO:0008022
Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxyl function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
1 P49911 (/IPI)
Phosphatase inhibitor activity GO:0019212
Stops, prevents or reduces the activity of a phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a substrate molecule.
1 P97822 (/IDA)
Cell adhesion molecule binding GO:0050839
Interacting selectively and non-covalently with a cell adhesion molecule.
1 P49911 (/IPI)
RNA polymerase binding GO:0070063
Interacting selectively and non-covalently with an RNA polymerase molecule or complex.
1 Q92688 (/IDA)

There are 24 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
Nucleocytoplasmic transport GO:0006913
The directed movement of molecules between the nucleus and the cytoplasm.
17 P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA)
(7 more)
Nucleocytoplasmic transport GO:0006913
The directed movement of molecules between the nucleus and the cytoplasm.
17 P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS) P39687 (/NAS)
(7 more)
Intracellular signal transduction GO:0035556
The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.
17 P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS)
(7 more)
Regulation of mRNA stability GO:0043488
Any process that modulates the propensity of mRNA molecules to degradation. Includes processes that both stabilize and destabilize mRNAs.
17 P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS)
(7 more)
Nucleocytoplasmic transport GO:0006913
The directed movement of molecules between the nucleus and the cytoplasm.
12 P49911 (/ISS) P51122 (/ISS) Q28XE2 (/ISS) Q28XE2 (/ISS) Q3SZC6 (/ISS) Q6PAF6 (/ISS) Q6PAF6 (/ISS) Q7ZUP0 (/ISS) Q7ZUP0 (/ISS) Q8HY67 (/ISS)
(2 more)
Histone exchange GO:0043486
The replacement, within chromatin, of resident histones or histone subunits with alternative, sometimes variant, histones or subunits.
6 P97822 (/ISS) Q5F4A3 (/ISS) Q5XIE0 (/ISS) Q6NUW5 (/ISS) Q7ZY40 (/ISS) Q7ZY40 (/ISS)
Histone exchange GO:0043486
The replacement, within chromatin, of resident histones or histone subunits with alternative, sometimes variant, histones or subunits.
2 Q9BTT0 (/IDA) Q9BTT0 (/IDA)
G1/S transition of mitotic cell cycle GO:0000082
The mitotic cell cycle transition by which a cell in G1 commits to S phase. The process begins with the build up of G1 cyclin-dependent kinase (G1 CDK), resulting in the activation of transcription of G1 cyclins. The process ends with the positive feedback of the G1 cyclins on the G1 CDK which commits the cell to S phase, in which DNA replication is initiated.
1 Q9EST5 (/ISO)
Vasculature development GO:0001944
The process whose specific outcome is the progression of the vasculature over time, from its formation to the mature structure. The vasculature is an interconnected tubular multi-tissue structure that contains fluid that is actively transported around the organism.
1 Q9EST5 (/IMP)
Nucleosome assembly GO:0006334
The aggregation, arrangement and bonding together of a nucleosome, the beadlike structural units of eukaryotic chromatin composed of histones and DNA.
1 Q92688 (/IDA)
Activation of cysteine-type endopeptidase activity involved in apoptotic process GO:0006919
Any process that initiates the activity of the inactive enzyme cysteine-type endopeptidase in the context of an apoptotic process.
1 Q92688 (/IMP)
Positive regulation of cell population proliferation GO:0008284
Any process that activates or increases the rate or extent of cell proliferation.
1 Q9EST6 (/IMP)
Positive regulation of cell population proliferation GO:0008284
Any process that activates or increases the rate or extent of cell proliferation.
1 Q9EST5 (/ISO)
Negative regulation of neuron projection development GO:0010977
Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
1 P49911 (/IMP)
Ventricular system development GO:0021591
The process whose specific outcome is the progression of the brain ventricular system over time, from its formation to the mature structure. The brain ventricular system consists of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. These cavities include two lateral ventricles, the third ventricle and the fourth ventricle. Cerebrospinal fluid fills the ventricles and is produced by the choroid plexus.
1 Q9EST5 (/IMP)
Negative regulation of histone acetylation GO:0035067
Any process that stops, prevents, or reduces the frequency, rate or extent of the addition of an acetyl group to a histone protein.
1 P49911 (/IMP)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
1 Q9EST6 (/IMP)
Negative regulation of apoptotic process GO:0043066
Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
1 Q9EST5 (/ISO)
Negative regulation of cell differentiation GO:0045596
Any process that stops, prevents, or reduces the frequency, rate or extent of cell differentiation.
1 Q92688 (/IDA)
Positive regulation of protein export from nucleus GO:0046827
Any process that activates or increases the frequency, rate or extent of directed movement of proteins from the nucleus into the cytoplasm.
1 Q92688 (/IMP)
Inner ear development GO:0048839
The process whose specific outcome is the progression of the inner ear over time, from its formation to the mature structure.
1 Q9EST5 (/IMP)
Roof of mouth development GO:0060021
The biological process whose specific outcome is the progression of the roof of the mouth from an initial condition to its mature state. This process begins with the formation of the structure and ends with the mature structure. The roof of the mouth is the partition that separates the nasal and oral cavities.
1 Q9EST5 (/IMP)
Positive regulation of G1/S transition of mitotic cell cycle GO:1900087
Any signalling pathway that increases or activates a cell cycle cyclin-dependent protein kinase to modulate the switch from G1 phase to S phase of the mitotic cell cycle.
1 Q9EST6 (/IMP)
Positive regulation of G1/S transition of mitotic cell cycle GO:1900087
Any signalling pathway that increases or activates a cell cycle cyclin-dependent protein kinase to modulate the switch from G1 phase to S phase of the mitotic cell cycle.
1 Q9EST5 (/ISO)

There are 22 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
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.
24 O35381 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA)
(14 more)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
19 P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA)
(9 more)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
17 P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS)
(7 more)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
17 P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS) P39687 (/TAS)
(7 more)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
17 P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA)
(7 more)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
17 P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA) P39687 (/IDA)
(7 more)
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.
16 P49911 (/ISS) P51122 (/ISS) Q28XE2 (/ISS) Q28XE2 (/ISS) Q3SZC6 (/ISS) Q5F4A3 (/ISS) Q5ZJD6 (/ISS) Q6PAF6 (/ISS) Q6PAF6 (/ISS) Q7ZUP0 (/ISS)
(6 more)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
15 O35381 (/ISS) P49911 (/ISS) P51122 (/ISS) Q28XE2 (/ISS) Q28XE2 (/ISS) Q3SZC6 (/ISS) Q5F4A3 (/ISS) Q5ZJD6 (/ISS) Q6PAF6 (/ISS) Q6PAF6 (/ISS)
(5 more)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
13 O35381 (/ISS) P49911 (/ISS) P51122 (/ISS) Q28XE2 (/ISS) Q28XE2 (/ISS) Q3SZC6 (/ISS) Q6PAF6 (/ISS) Q6PAF6 (/ISS) Q7ZUP0 (/ISS) Q7ZUP0 (/ISS)
(3 more)
Perinuclear region of cytoplasm GO:0048471
Cytoplasm situated near, or occurring around, the nucleus.
13 O35381 (/ISS) P49911 (/ISS) P51122 (/ISS) Q28XE2 (/ISS) Q28XE2 (/ISS) Q3SZC6 (/ISS) Q6PAF6 (/ISS) Q6PAF6 (/ISS) Q7ZUP0 (/ISS) Q7ZUP0 (/ISS)
(3 more)
Swr1 complex GO:0000812
A multisubunit protein complex that is involved in chromatin remodeling. It is required for the incorporation of the histone variant H2AZ into chromatin. In S. cerevisiae, the complex contains Swr1p, a Swi2/Snf2-related ATPase, and 12 additional subunits.
6 P97822 (/ISS) Q5F4A3 (/ISS) Q5XIE0 (/ISS) Q6NUW5 (/ISS) Q7ZY40 (/ISS) Q7ZY40 (/ISS)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
4 Q5F4A3 (/ISS) Q5ZJD6 (/ISS) Q9BTT0 (/ISS) Q9BTT0 (/ISS)
Swr1 complex GO:0000812
A multisubunit protein complex that is involved in chromatin remodeling. It is required for the incorporation of the histone variant H2AZ into chromatin. In S. cerevisiae, the complex contains Swr1p, a Swi2/Snf2-related ATPase, and 12 additional subunits.
2 Q9BTT0 (/IDA) Q9BTT0 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
2 Q9V895 (/HDA) Q9V895 (/HDA)
Protein-containing complex GO:0032991
A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.
2 A3RL83 (/IDA) Q5ZMN0 (/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.
2 A3RL83 (/IDA) Q5ZMN0 (/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 Q92688 (/HDA)
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 Q9EST5 (/ISO)
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 P49911 (/IDA)
Nuclear matrix GO:0016363
The dense fibrillar network lying on the inner side of the nuclear membrane.
1 O35381 (/IPI)
Cytoplasmic vesicle GO:0031410
A vesicle found in the cytoplasm of a cell.
1 P97822 (/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 Q92688 (/HDA)