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:

"
Ankyrin repeat-containing 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 231: 2-5A-dependent ribonuclease

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 10 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
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
2 Q05921 (/ISO) Q05921 (/ISO)
Ribonuclease activity GO:0004540
Catalysis of the hydrolysis of phosphodiester bonds in chains of RNA.
2 G3V915 (/IDA) Q80WM6 (/IDA)
Ribonuclease activity GO:0004540
Catalysis of the hydrolysis of phosphodiester bonds in chains of RNA.
2 Q05921 (/ISO) Q05921 (/ISO)
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).
2 Q05823 (/IPI) Q1RLL8 (/IPI)
RRNA binding GO:0019843
Interacting selectively and non-covalently with ribosomal RNA.
2 G3V915 (/IDA) Q80WM6 (/IDA)
RRNA binding GO:0019843
Interacting selectively and non-covalently with ribosomal RNA.
2 Q05921 (/ISO) Q05921 (/ISO)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
2 Q05921 (/ISO) Q05921 (/ISO)
Ribonucleoprotein complex binding GO:0043021
Interacting selectively and non-covalently with any complex of RNA and protein.
2 Q05921 (/IDA) Q05921 (/IDA)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
1 Q05823 (/IDA)
Endoribonuclease activity GO:0004521
Catalysis of the hydrolysis of ester linkages within ribonucleic acid by creating internal breaks.
1 Q05823 (/NAS)

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
RRNA processing GO:0006364
Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
2 G3V915 (/IDA) Q80WM6 (/IDA)
RRNA processing GO:0006364
Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
2 Q05921 (/ISO) Q05921 (/ISO)
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.
2 Q05921 (/IMP) Q05921 (/IMP)
Negative regulation of viral genome replication GO:0045071
Any process that stops, prevents, or reduces the frequency, rate or extent of viral genome replication.
2 Q05921 (/ISO) Q05921 (/ISO)
Fat cell differentiation GO:0045444
The process in which a relatively unspecialized cell acquires specialized features of an adipocyte, an animal connective tissue cell specialized for the synthesis and storage of fat.
2 Q05921 (/IGI) Q05921 (/IGI)
Fat cell differentiation GO:0045444
The process in which a relatively unspecialized cell acquires specialized features of an adipocyte, an animal connective tissue cell specialized for the synthesis and storage of fat.
2 Q05921 (/IMP) Q05921 (/IMP)
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.
2 Q05921 (/ISO) Q05921 (/ISO)
Positive regulation of glucose import GO:0046326
Any process that activates or increases the frequency, rate or extent of the import of the hexose monosaccharide glucose into a cell or organelle.
2 Q05921 (/IMP) Q05921 (/IMP)
Defense response to virus GO:0051607
Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
2 Q05921 (/ISO) Q05921 (/ISO)
Protein phosphorylation GO:0006468
The process of introducing a phosphate group on to a protein.
1 Q05823 (/NAS)
Negative regulation of viral genome replication GO:0045071
Any process that stops, prevents, or reduces the frequency, rate or extent of viral genome replication.
1 Q05823 (/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 Q05823 (/IDA)
Defense response to virus GO:0051607
Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
1 Q05823 (/IDA)
Defense response to virus GO:0051607
Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
1 Q05823 (/TAS)
Type I interferon signaling pathway GO:0060337
A series of molecular signals initiated by the binding of a type I interferon to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.
1 Q05823 (/TAS)
Regulation of type I interferon-mediated signaling pathway GO:0060338
Any process that modulates the rate, frequency or extent of a type I interferon-mediated signaling pathway. A type I interferon-mediated signaling pathway is the series of molecular events generated as a consequence of a type I interferon binding to a cell surface receptor.
1 Q05823 (/TAS)

There are 4 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
Nuclear matrix GO:0016363
The dense fibrillar network lying on the inner side of the nuclear membrane.
2 G3V915 (/IDA) Q80WM6 (/IDA)
Nuclear matrix GO:0016363
The dense fibrillar network lying on the inner side of the nuclear membrane.
2 Q05921 (/ISO) Q05921 (/ISO)
Mitochondrial matrix GO:0005759
The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
1 Q05823 (/TAS)
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 Q05823 (/TAS)
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