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:

"
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 29: Cyclin h

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 5 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).
4 P51946 (/IPI) P51946 (/IPI) P51946 (/IPI) Q8W5S1 (/IPI)
Protein kinase activity GO:0004672
Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
1 Q8W5S1 (/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 Q61458 (/ISS)
Kinase activity GO:0016301
Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
1 Q61458 (/IDA)
Cyclin-dependent protein serine/threonine kinase regulator activity GO:0016538
Modulates the activity of a cyclin-dependent protein serine/threonine kinase, enzymes of the protein kinase family that are regulated through association with cyclins and other proteins.
1 C9K506 (/IMP)

There are 29 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
Transcription by RNA polymerase II GO:0006366
The synthesis of RNA from a DNA template by RNA polymerase II (RNAP II), originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
5 O17144 (/IDA) O76513 (/IDA) P51946 (/IDA) P51946 (/IDA) P51946 (/IDA)
Transcription by RNA polymerase II GO:0006366
The synthesis of RNA from a DNA template by RNA polymerase II (RNAP II), originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
4 Q3ZBL9 (/ISS) Q4R7U4 (/ISS) Q61458 (/ISS) Q9R1A0 (/ISS)
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.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
G2/M transition of mitotic cell cycle GO:0000086
The mitotic cell cycle transition by which a cell in G2 commits to M phase. The process begins when the kinase activity of M cyclin/CDK complex reaches a threshold high enough for the cell cycle to proceed. This is accomplished by activating a positive feedback loop that results in the accumulation of unphosphorylated and active M cyclin/CDK complex.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Transcription-coupled nucleotide-excision repair GO:0006283
The nucleotide-excision repair process that carries out preferential repair of DNA lesions on the actively transcribed strand of the DNA duplex. In addition, the transcription-coupled nucleotide-excision repair pathway is required for the recognition and repair of a small subset of lesions that are not recognized by the global genome nucleotide excision repair pathway.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Nucleotide-excision repair, preincision complex assembly GO:0006294
The aggregation, arrangement and bonding together of proteins on DNA to form the multiprotein complex involved in damage recognition, DNA helix unwinding, and endonucleolytic cleavage at the site of DNA damage. This assembly occurs before the phosphodiester backbone of the damaged strand is cleaved 3' and 5' of the site of DNA damage.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Transcription initiation from RNA polymerase I promoter GO:0006361
Any process involved in the assembly of the RNA polymerase I preinitiation complex (PIC) at an RNA polymerase I promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. Promoter clearance, or release, is the transition between the initiation and elongation phases of transcription.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Transcription elongation from RNA polymerase I promoter GO:0006362
The extension of an RNA molecule after transcription initiation and promoter clearance at an RNA polymerase I specific promoter by the addition of ribonucleotides catalyzed by RNA polymerase I.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Termination of RNA polymerase I transcription GO:0006363
The process in which the synthesis of an RNA molecule by RNA polymerase I using a DNA template is completed. RNAP I termination requires binding of a terminator protein so specific sequences downstream of the transcription unit.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Transcription by RNA polymerase II GO:0006366
The synthesis of RNA from a DNA template by RNA polymerase II (RNAP II), originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Transcription initiation from RNA polymerase II promoter GO:0006367
Any process involved in the assembly of the RNA polymerase II preinitiation complex (PIC) at an RNA polymerase II promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. Promoter clearance, or release, is the transition between the initiation and elongation phases of transcription.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/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.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
7-methylguanosine mRNA capping GO:0006370
Addition of the 7-methylguanosine cap to the 5' end of a nascent messenger RNA transcript.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
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.
3 P51946 (/IDA) P51946 (/IDA) P51946 (/IDA)
Protein stabilization GO:0050821
Any process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation.
3 P51946 (/IMP) P51946 (/IMP) P51946 (/IMP)
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.
2 O17144 (/IDA) O76513 (/IDA)
Transcription initiation from RNA polymerase II promoter GO:0006367
Any process involved in the assembly of the RNA polymerase II preinitiation complex (PIC) at an RNA polymerase II promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. Promoter clearance, or release, is the transition between the initiation and elongation phases of transcription.
2 O17144 (/ISS) O76513 (/ISS)
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 C9K506 (/IMP)
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
1 Q8W5S1 (/IEP)
Transcription by RNA polymerase II GO:0006366
The synthesis of RNA from a DNA template by RNA polymerase II (RNAP II), originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
1 Q61458 (/ISO)
Response to water deprivation GO:0009414
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a water deprivation stimulus, prolonged deprivation of water.
1 Q8W5S1 (/IMP)
Response to blue light GO:0009637
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a blue light stimulus. Blue light is electromagnetic radiation with a wavelength of between 440 and 500nm.
1 Q8W5S1 (/IMP)
Regulation of stomatal movement GO:0010119
Any process that modulates the frequency, rate or extent of stomatal movement.
1 Q8W5S1 (/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.
1 Q61458 (/ISO)
Protein stabilization GO:0050821
Any process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation.
1 Q61458 (/ISO)
Reactive oxygen species metabolic process GO:0072593
The chemical reactions and pathways involving a reactive oxygen species, any molecules or ions formed by the incomplete one-electron reduction of oxygen. They contribute to the microbicidal activity of phagocytes, regulation of signal transduction and gene expression, and the oxidative damage to biopolymers.
1 Q8W5S1 (/IMP)
Positive regulation of meiotic cell cycle process involved in oocyte maturation GO:1904146
Any process that activates or increases the frequency, rate or extent of meiotic cell cycle process involved in oocyte maturation.
1 C9K506 (/IMP)
Stomatal opening GO:1990069
The process of opening of stomata, pores in the epidermis of leaves and stems bordered by two guard cells and serving in gas exchange.
1 Q8W5S1 (/IMP)
Regulation of response to water deprivation GO:2000070
Any process that modulates the frequency, rate or extent of response to water deprivation.
1 Q8W5S1 (/IMP)

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
Transcription factor TFIIH holo complex GO:0005675
A complex that is capable of kinase activity directed towards the C-terminal Domain (CTD) of the largest subunit of RNA polymerase II and is essential for initiation at RNA polymerase II promoters in vitro. It is composed of the core TFIIH complex and the TFIIK complex.
6 O17144 (/ISS) O76513 (/ISS) Q3ZBL9 (/ISS) Q4R7U4 (/ISS) Q61458 (/ISS) Q9R1A0 (/ISS)
Transcription factor TFIIH holo complex GO:0005675
A complex that is capable of kinase activity directed towards the C-terminal Domain (CTD) of the largest subunit of RNA polymerase II and is essential for initiation at RNA polymerase II promoters in vitro. It is composed of the core TFIIH complex and the TFIIK complex.
5 O17144 (/IDA) O76513 (/IDA) P51946 (/IDA) P51946 (/IDA) P51946 (/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.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
3 P51946 (/IDA) P51946 (/IDA) P51946 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
3 P51946 (/TAS) P51946 (/TAS) P51946 (/TAS)
Cyclin-dependent protein kinase activating kinase holoenzyme complex GO:0019907
A cyclin-dependent kinase activating kinase complex capable of activating cyclin-dependent kinases by threonine phosphorylation, thus regulating cell cycle progression. consists of a kinase, cyclin and optional assembly factors, in human CDK7, CCNH and MNAT1. CAK activity is itself regulated throughout the cell cycle by T-loop phosphorylation of its kinase component (CDK7 in human). Phosphorylation of serine residues during mitosis inactivates the enzyme. Also capable of CAK phosphorylating the carboxyl-terminal domain (CTD) of RNA polymerase II and other transcription activating proteins, as part of the general transcription factor TFIIH.
3 P51946 (/IDA) P51946 (/IDA) P51946 (/IDA)
Cyclin-dependent protein kinase activating kinase holoenzyme complex GO:0019907
A cyclin-dependent kinase activating kinase complex capable of activating cyclin-dependent kinases by threonine phosphorylation, thus regulating cell cycle progression. consists of a kinase, cyclin and optional assembly factors, in human CDK7, CCNH and MNAT1. CAK activity is itself regulated throughout the cell cycle by T-loop phosphorylation of its kinase component (CDK7 in human). Phosphorylation of serine residues during mitosis inactivates the enzyme. Also capable of CAK phosphorylating the carboxyl-terminal domain (CTD) of RNA polymerase II and other transcription activating proteins, as part of the general transcription factor TFIIH.
3 P51946 (/IMP) P51946 (/IMP) P51946 (/IMP)
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.
2 Q61458 (/IDA) Q8W5S1 (/IDA)
Transcription factor TFIIH holo complex GO:0005675
A complex that is capable of kinase activity directed towards the C-terminal Domain (CTD) of the largest subunit of RNA polymerase II and is essential for initiation at RNA polymerase II promoters in vitro. It is composed of the core TFIIH complex and the TFIIK complex.
2 O17144 (/IPI) O76513 (/IPI)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 C9K506 (/IDA) Q8W5S1 (/IDA)
Carboxy-terminal domain protein kinase complex GO:0032806
A protein complex that phosphorylates amino acid residues of RNA polymerase II C-terminal domain repeats; phosphorylation occurs mainly on Ser2 and Ser5.
2 O17144 (/IDA) O76513 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q61458 (/ISO)
Transcription factor TFIIH holo complex GO:0005675
A complex that is capable of kinase activity directed towards the C-terminal Domain (CTD) of the largest subunit of RNA polymerase II and is essential for initiation at RNA polymerase II promoters in vitro. It is composed of the core TFIIH complex and the TFIIK complex.
1 Q61458 (/ISO)
Cyclin-dependent protein kinase activating kinase holoenzyme complex GO:0019907
A cyclin-dependent kinase activating kinase complex capable of activating cyclin-dependent kinases by threonine phosphorylation, thus regulating cell cycle progression. consists of a kinase, cyclin and optional assembly factors, in human CDK7, CCNH and MNAT1. CAK activity is itself regulated throughout the cell cycle by T-loop phosphorylation of its kinase component (CDK7 in human). Phosphorylation of serine residues during mitosis inactivates the enzyme. Also capable of CAK phosphorylating the carboxyl-terminal domain (CTD) of RNA polymerase II and other transcription activating proteins, as part of the general transcription factor TFIIH.
1 Q61458 (/ISO)
Germinal vesicle GO:0042585
The enlarged, fluid filled nucleus of a primary oocyte, the development of which is suspended in prophase I of the first meiotic division between embryohood and sexual maturity.
1 C9K506 (/IDA)