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BUR2 protein (Saccharomyces cerevisiae) - STRING interaction network
"BUR2" - Cyclin for the Sgv1p in Saccharomyces cerevisiae
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Predicted Interactions
gene neighborhood
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textmining
co-expression
protein homology
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BUR2Cyclin for the Sgv1p (Bur1p) protein kinase; Sgv1p and Bur2p comprise a CDK-cyclin complex involved in transcriptional regulation through its phosphorylation of the carboxy-terminal domain of the largest subunit of RNA polymerase II; Component of the BUR kinase complex involved in transcription regulation. This complex phosphorylates ’Ser-120’ of the UBC2/RAD6 ubiquitin-conjugating enzyme (E2), leading to monoubiquitination of histone H2B, the localization of the PAF1 complex to the chromatin, and the silencing of telomeric- associated genes. Also required for histone H3 ’Lys-4’ trimet [...] (395 aa)    
Predicted Functional Partners:
SGV1
Cyclin (Bur2p)-dependent protein kinase that functions in transcriptional regulation; phosphorylates the carboxy-terminal domain of Rpo21p and the C-terminal repeat domain of Spt5p; regulated by Cak1p; similar to metazoan CDK9 proteins; Serine/threonine-protein kinase component of the BUR kinase complex involved in transcription regulation. This complex phosphorylates ’Ser-120’ of the UBC2/RAD6 ubiquitin-conjugating enzyme (E2), leading to monoubiquitination of histone H2B, the localization of the PAF1 complex to the chromatin, and the silencing of telomeric-associated genes. Also requ [...] (657 aa)
       
  0.996
CTK1
Catalytic (alpha) subunit of C-terminal domain kinase I (CTDK-I); phosphorylates both RNA pol II subunit Rpo21p to affect transcription and pre-mRNA 3’ end processing, and ribosomal protein Rps2p to increase translational fidelity; similar to the Dr /.../la dCDK12 and human CDK12 and probably CDK13; Catalytic subunit of the CTDK-I complex, which hyperphosphorylates the C-terminal heptapeptide repeat domain (CTD) of the largest RNA polymerase II subunit. CTDK-I phosphorylates ’Ser-5’ if the CTD substrate is not phosphorylated at ’Ser-5’, but will phosphorylate ’Ser-2’ of a CTD substrate [...] (528 aa)
       
  0.946
CTK3
Gamma subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates both RNA pol II subunit Rpo21p to affect transcription and pre-mRNA 3’ end processing, and ribosomal protein Rps2p to increase translational fidelity; Gamma subunit of the CTDK-I complex, which hyperphosphorylates the C-terminal heptapeptide repeat domain (CTD) of the largest RNA polymerase II subunit. CTDK-I phosphorylates ’Ser-5’ if the CTD substrate is not phosphorylated at ’Ser-5’, but will phosphorylate ’Ser-2’ of a CTD substrate if ’Ser-5’ is already phosphorylated. CTDK-I is also more reactive toward subs [...] (296 aa)
       
  0.944
CTK2
Beta subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates both RNA pol II subunit Rpo21p to affect transcription and pre-mRNA 3’ end processing, and ribosomal protein Rps2p to increase translational fidelity; Cyclin subunit of the CTDK-I complex, which hyperphosphorylates the C-terminal heptapeptide repeat domain (CTD) of the largest RNA polymerase II subunit. CTDK-I phosphorylates ’Ser-5’ if the CTD substrate is not phosphorylated at ’Ser-5’, but will phosphorylate ’Ser-2’ of a CTD substrate if ’Ser-5’ is already phosphorylated. CTDK-I is also more reactive toward subs [...] (323 aa)
       
  0.943
KIN28
Serine/threonine protein kinase, subunit of the transcription factor TFIIH; involved in transcription initiation at RNA polymerase II promoters; Catalytic component of the TFIIK complex (KIN28-CCL1 dimer) which is the protein kinase component of transcription factor IIH (TFIIH) and phosphorylates the C-terminal domain of RNA polymerase II during transition from transcription to elongation after preinitiation complex (PIC) formation, thereby positively regulating transcription. TFIIH (or factor B) is essential for both basal and activated transcription, and is involved in nucleotide exc [...] (306 aa)
         
  0.925
SET2
Histone methyltransferase with a role in transcriptional elongation, methylates a lysine residue of histone H3; associates with the C-terminal domain of Rpo21p; histone methylation activity is regulated by phosphorylation status of Rpo21p; Histone methyltransferase that methylates histone H3 to form H3K36me. Involved in transcription elongation as well as in transcription repression. The methyltransferase activity requires the recruitment to the RNA polymerase II, which is CTK1 dependent (733 aa)
       
 
  0.880
CDC28
Catalytic subunit of the main cell cycle cyclin-dependent kinase (CDK); alternately associates with G1 cyclins (CLNs) and G2/M cyclins (CLBs) which direct the CDK to specific substrates; This protein is essential for the completion of the start, the controlling event, in the cell cycle. More than 200 substrates have been identified (298 aa)
       
  0.801
TFB3
Subunit of TFIIH and nucleotide excision repair factor 3 complexes, involved in transcription initiation, required for nucleotide excision repair; ring finger protein similar to mammalian CAK and TFIIH subunit; Acts as component of the general transcription and DNA repair factor IIH (TFIIH or factor B), which is essential for both basal and activated transcription, and is involved in nucleotide excision repair (NER) of damaged DNA. TFIIH has CTD kinase and DNA-dependent ATPase activity, and is essential for polymerase II transcription in vitro (321 aa)
         
  0.792
RPO21
RNA polymerase II largest subunit B220, part of central core; phosphorylation of C-terminal heptapeptide repeat domain regulates association with transcription and splicing factors; similar to bacterial beta-prime; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Forms the polymerase active center together with the second largest subunit. Pol II is the central component of the basal [...] (1733 aa)
       
 
  0.791
CKS1
Cyclin-dependent protein kinase regulatory subunit and adaptor; modulates proteolysis of M-phase targets through interactions with the proteasome; role in transcriptional regulation, recruiting proteasomal subunits to target gene promoters; Binds to the catalytic subunit of the cyclin dependent kinase (CDC28) and is essential for its biological function (150 aa)
       
    0.791
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: Candida robusta, Pachytichospora, S. cerevisiae, Saccharomyces, Saccharomyces capensis, Saccharomyces cerevisiae, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, lager beer yeast, yeast
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