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:

"
Phosphorylase Kinase; domain 1
".

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 498: Serine/threonine-protein kinase KIN28

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 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).
6 P06242 (/IPI) P06242 (/IPI) P06242 (/IPI) P06242 (/IPI) P06242 (/IPI) Q12126 (/IPI)
RNA polymerase II CTD heptapeptide repeat 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.
6 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) Q12126 (/IDA)
RNA polymerase II CTD heptapeptide repeat 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.
6 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) Q12126 (/IMP)
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.
5 P06242 (/HDA) P06242 (/HDA) P06242 (/HDA) P06242 (/HDA) P06242 (/HDA)
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 Q12126 (/IDA)
RNA polymerase II general transcription initiation factor activity GO:0016251
An activity that contributes to transcription start site selection and transcription initiation of genes transcribed by RNA polymerase II. The general transcription factors for RNA polymerase II include TFIIB, TFIID, TFIIE, TFIIF, TFIIH and TATA-binding protein (TBP).
1 Q12126 (/IC)
Cyclin-dependent protein kinase activating kinase activity GO:0019912
Catalysis of the reaction: ATP + a protein = ADP + a phosphoprotein; increases the activity of a cyclin-dependent protein kinase (CDK).
1 Q12126 (/IDA)
Cyclin-dependent protein kinase activity GO:0097472
Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP. This reaction requires the binding of a regulatory cyclin subunit and full activity requires stimulatory phosphorylation by a CDK-activating kinase (CAK).
1 Q12126 (/IDA)

There are 17 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
Phosphorylation of RNA polymerase II C-terminal domain GO:0070816
The process of introducing a phosphate group on to an amino acid residue in the C-terminal domain of RNA polymerase II. Typically, this occurs during the transcription cycle and results in production of an RNA polymerase II enzyme where the carboxy-terminal domain (CTD) of the largest subunit is extensively phosphorylated, often referred to as hyperphosphorylated or the II(0) form. Specific types of phosphorylation within the CTD are usually associated with specific regions of genes, though there are exceptions. The phosphorylation state regulates the association of specific complexes such as the capping enzyme or 3'-RNA processing machinery to the elongating RNA polymerase complex.
6 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) Q12126 (/IDA)
Phosphorylation of RNA polymerase II C-terminal domain serine 5 residues involved in positive regulation of transcription elongation from RNA polymerase II promoter GO:1903654
Any phosphorylation of RNA polymerase II C-terminal domain serine 5 residues that is involved in positive regulation of transcription elongation from RNA polymerase II promoter.
6 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) Q12126 (/IMP)
Transcription by RNA polymerase I GO:0006360
The synthesis of RNA from a DNA template by RNA polymerase I (RNAP I), originating at an RNAP I promoter.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
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 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/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).
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
7-methylguanosine mRNA capping GO:0006370
Addition of the 7-methylguanosine cap to the 5' end of a nascent messenger RNA transcript.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
Protein phosphorylation GO:0006468
The process of introducing a phosphate group on to a protein.
5 P06242 (/HDA) P06242 (/HDA) P06242 (/HDA) P06242 (/HDA) P06242 (/HDA)
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.
5 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA)
Phosphorylation of RNA polymerase II C-terminal domain GO:0070816
The process of introducing a phosphate group on to an amino acid residue in the C-terminal domain of RNA polymerase II. Typically, this occurs during the transcription cycle and results in production of an RNA polymerase II enzyme where the carboxy-terminal domain (CTD) of the largest subunit is extensively phosphorylated, often referred to as hyperphosphorylated or the II(0) form. Specific types of phosphorylation within the CTD are usually associated with specific regions of genes, though there are exceptions. The phosphorylation state regulates the association of specific complexes such as the capping enzyme or 3'-RNA processing machinery to the elongating RNA polymerase complex.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
Phosphorylation of RNA polymerase II C-terminal domain serine 5 residues involved in recruitment of mRNA capping enzyme to RNA polymerase II holoenzyme complex GO:1900018
Any phosphorylation of RNA polymerase II C-terminal domain serine 5 residues that is involved in recruitment of mRNA capping enzyme to RNA polymerase II holoenzyme complex.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
Phosphorylation of RNA polymerase II C-terminal domain involved in recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex GO:1901921
Any phosphorylation of RNA polymerase II C-terminal domain that is involved in recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
Phosphorylation of RNA polymerase II C-terminal domain involved in recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex GO:1901921
Any phosphorylation of RNA polymerase II C-terminal domain that is involved in recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex.
5 P06242 (/IPI) P06242 (/IPI) P06242 (/IPI) P06242 (/IPI) P06242 (/IPI)
Positive regulation of Atg1/ULK1 kinase complex assembly GO:1905866
Any process that activates or increases the frequency, rate or extent of Atg1/ULK1 kinase complex assembly.
5 P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP) P06242 (/IMP)
Negative regulation of filamentous growth of a population of unicellular organisms GO:1900429
Any process that stops, prevents or reduces the frequency, rate or extent of filamentous growth of a population of unicellular organisms.
2 Q5AAS1 (/IMP) Q5AAS1 (/IMP)
P-TEFb-cap methyltransferase complex localization GO:0070817
Any process in which the P-TEFb-cap methyltransferase complex is transported to, or maintained in, a specific location.
1 Q12126 (/IMP)
Phosphorylation of RNA polymerase II C-terminal domain serine 5 residues GO:0071620
The process of introducing a phosphate group onto a serine residue at position 5 within the heptapeptide repeat (YSPTSPS) of the C-terminal domain of RNA polymerase II. Typically, phosphorylation of serine 5 (Ser5) occurs near the 5' ends of genes. It is generally still observed in the middle of genes, overlapping with phosphorylation of serine 2, but is generally not present at the 3' ends of genes. In vivo, Ser5 phosphorylation occurs primarily through the action of TFIIH (KIN28 in S. cerevisiae, CKD7 in metazoans).
1 Q12126 (/IMP)
Phosphorylation of RNA polymerase II C-terminal domain serine 2 residues involved in positive regulation of transcription elongation from RNA polymerase II promoter GO:1903655
Any phosphorylation of RNA polymerase II C-terminal domain serine 2 residues that is involved in positive regulation of transcription elongation from RNA polymerase II promoter.
1 Q12126 (/IMP)

There are 9 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 TFIIK complex GO:0070985
A transcription factor complex that forms part of the holo TFIIH complex. In Saccharomyces/human, TFIIK contains Ccl1p/Cyclin H, Tfb3p/MAT1 and Kin28p/CDK7.
6 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) Q12126 (/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.
5 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/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.
5 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/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.
5 P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA) P06242 (/IDA)
Nuclear chromatin GO:0000790
The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome in the nucleus.
1 Q12126 (/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 Q12126 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q12126 (/HDA)
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 Q12126 (/HDA)
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 Q12126 (/IPI)