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:

"
Cyclin-like
".

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 418: Cyclin K, isoform CRA_c

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 8 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 serine/threonine kinase activity GO:0004674
Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
1 O75909 (/TAS)
Cyclin-dependent protein serine/threonine kinase activity GO:0004693
Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate. This reaction requires the binding of a regulatory cyclin subunit and full activity requires stimulatory phosphorylation by a CDK-activating kinase (CAK).
1 O75909 (/IDA)
Cyclin-dependent protein serine/threonine kinase activity GO:0004693
Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate. This reaction requires the binding of a regulatory cyclin subunit and full activity requires stimulatory phosphorylation by a CDK-activating kinase (CAK).
1 O88874 (/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).
1 O75909 (/IPI)
RNA polymerase II carboxy-terminal domain kinase activity GO:0008353
Catalysis of the reaction: ATP + (DNA-directed RNA polymerase II) = ADP + phospho-(DNA-directed RNA polymerase II); phosphorylation occurs on residues in the carboxy-terminal domain (CTD) repeats.
1 O75909 (/IDA)
RNA polymerase II carboxy-terminal domain kinase activity GO:0008353
Catalysis of the reaction: ATP + (DNA-directed RNA polymerase II) = ADP + phospho-(DNA-directed RNA polymerase II); phosphorylation occurs on residues in the carboxy-terminal domain (CTD) repeats.
1 O88874 (/ISO)
Protein kinase binding GO:0019901
Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
1 O75909 (/IPI)
Protein kinase binding GO:0019901
Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
1 O88874 (/ISO)

There are 15 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
Regulation of cyclin-dependent protein serine/threonine kinase activity GO:0000079
Any process that modulates the frequency, rate or extent of cyclin-dependent protein serine/threonine kinase activity.
1 O75909 (/TAS)
In utero embryonic development GO:0001701
The process whose specific outcome is the progression of the embryo in the uterus over time, from formation of the zygote in the oviduct, to birth. An example of this process is found in Mus musculus.
1 O88874 (/IMP)
Transcription from RNA polymerase II promoter GO:0006366
The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
1 O75909 (/TAS)
Transcription elongation from RNA polymerase II promoter GO:0006368
The extension of an RNA molecule after transcription initiation and promoter clearance at an RNA polymerase II promoter by the addition of ribonucleotides catalyzed by RNA polymerase II.
1 O75909 (/TAS)
Cellular response to DNA damage stimulus GO:0006974
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 stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
1 O75909 (/IMP)
Cellular response to DNA damage stimulus GO:0006974
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 stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
1 O88874 (/ISO)
SnRNA transcription from RNA polymerase II promoter GO:0042795
The synthesis of small nuclear RNA (snRNA) from a DNA template by RNA Polymerase II (Pol II), originating at a Pol II promoter.
1 O75909 (/TAS)
Negative regulation by host of viral genome replication GO:0044828
A process in which a host organism stops, prevents or reduces the frequency, rate or extent of viral genome replication.
1 O75909 (/IDA)
Negative regulation by host of viral genome replication GO:0044828
A process in which a host organism stops, prevents or reduces the frequency, rate or extent of viral genome replication.
1 O88874 (/ISO)
Positive regulation of transcription from RNA polymerase II promoter GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
1 O75909 (/TAS)
Negative regulation of cell cycle arrest GO:0071157
Any process that decreases the rate, frequency, or extent of cell cycle arrest, the process in which the cell cycle is halted during one of the normal phases.
1 O75909 (/IGI)
Negative regulation of cell cycle arrest GO:0071157
Any process that decreases the rate, frequency, or extent of cell cycle arrest, the process in which the cell cycle is halted during one of the normal phases.
1 O88874 (/ISO)
Negative regulation of stem cell differentiation GO:2000737
Any process that stops, prevents or reduces the frequency, rate or extent of stem cell differentiation.
1 O88874 (/IMP)
Positive regulation of phosphorylation of RNA polymerase II C-terminal domain serine 2 residues GO:2001165
Any process that activates or increases the frequency, rate or extent of phosphorylation of RNA polymerase II C-terminal domain serine 2 residues.
1 O75909 (/IMP)
Positive regulation of phosphorylation of RNA polymerase II C-terminal domain serine 2 residues GO:2001165
Any process that activates or increases the frequency, rate or extent of phosphorylation of RNA polymerase II C-terminal domain serine 2 residues.
1 O88874 (/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
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
3 A0A024R6K1 (/IDA) G3V5E1 (/IDA) O75909 (/IDA)
Cyclin K-CDK12 complex GO:0002944
A protein complex consisting of cyclin Kand cyclin-dependent kinase 12 (CDK12). Cyclins are characterized by periodicity in protein abundance throughout the cell cycle. Cyclin-dependent kinases represent a family of serine/threonine protein kinases that become active upon binding to a cyclin regulatory partner.
1 O75909 (/IPI)
Cyclin K-CDK12 complex GO:0002944
A protein complex consisting of cyclin Kand cyclin-dependent kinase 12 (CDK12). Cyclins are characterized by periodicity in protein abundance throughout the cell cycle. Cyclin-dependent kinases represent a family of serine/threonine protein kinases that become active upon binding to a cyclin regulatory partner.
1 O88874 (/ISO)
Cyclin K-CDK13 complex GO:0002945
A protein complex consisting of cyclin Kand cyclin-dependent kinase 13 (CDK13). Cyclins are characterized by periodicity in protein abundance throughout the cell cycle. Cyclin-dependent kinases represent a family of serine/threonine protein kinases that become active upon binding to a cyclin regulatory partner.
1 O75909 (/IPI)
Cyclin K-CDK13 complex GO:0002945
A protein complex consisting of cyclin Kand cyclin-dependent kinase 13 (CDK13). Cyclins are characterized by periodicity in protein abundance throughout the cell cycle. Cyclin-dependent kinases represent a family of serine/threonine protein kinases that become active upon binding to a cyclin regulatory partner.
1 O88874 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 O88874 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 O75909 (/TAS)