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    SRB2 Srb2p [ Saccharomyces cerevisiae S288C ]

    Gene ID: 856437, updated on 28-Oct-2024

    Summary

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    Official Symbol
    SRB2
    Official Full Name
    Srb2p
    Primary source
    SGD:S000001083
    Locus tag
    YHR041C
    See related
    AllianceGenome:SGD:S000001083; FungiDB:YHR041C; VEuPathDB:YHR041C
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Saccharomyces cerevisiae S288C (strain: S288C)
    Lineage
    Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces
    Also known as
    HRS2; MED20
    Summary
    Enables TFIID-class transcription factor complex binding activity; protein domain specific binding activity; and transcription coactivator activity. Involved in RNA polymerase II preinitiation complex assembly; cellular response to nutrient levels; and regulation of transcription by RNA polymerase II. Part of core mediator complex. [provided by Alliance of Genome Resources, Oct 2024]
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    Genomic context

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    See SRB2 in Genome Data Viewer
    Location:
    chromosome: VIII
    Exon count:
    2
    Sequence:
    Chromosome: VIII; NC_001140.6 (189131..189864, complement)

    Chromosome VIII - NC_001140.6Genomic Context describing neighboring genes Neighboring gene H(+)-transporting V1 sector ATPase subunit G Neighboring gene Bcd1p Neighboring gene NADPH--hemoprotein reductase Neighboring gene 2-deoxyglucose-6-phosphatase

    Genomic regions, transcripts, and products

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    Genomic Sequence:
    NC_001140.6

    Go to nucleotide: Graphics FASTA GenBank

    Bibliography

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    Related articles in PubMed

    1. A novel transcription factor reveals a functional link between the RNA polymerase II CTD and TFIID. Koleske AJ, et al. Cell, 1992 May 29. PMID 1591782
    2. Intragenic and extragenic suppressors of mutations in the heptapeptide repeat domain of Saccharomyces cerevisiae RNA polymerase II. Nonet ML, et al. Genetics, 1989 Dec. PMID 2693207, Free PMC Article
    3. The transcription elongation factor TFIIS is a component of RNA polymerase II preinitiation complexes. Kim B, et al. Proc Natl Acad Sci U S A, 2007 Oct 9. PMID 17913884, Free PMC Article
    4. Mutations in the yeast SRB2 general transcription factor suppress hpr1-induced recombination and show defects in DNA repair. Piruat JI, et al. Genetics, 1996 Aug. PMID 8844143, Free PMC Article
    5. Recruitment of the SWI/SNF chromatin remodeling complex by transcriptional activators. Yudkovsky N, et al. Genes Dev, 1999 Sep 15. PMID 10500094, Free PMC Article

    See all (147) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. Data show that the temperature sensitive (Ts) growth phenotype of bud13Delta and snu17Delta cells is a consequence of inefficient splicing of MED20 pre-mRNA. This Ts phenotype is partially suppressed by the inactivation of nonsense-mediated mRNA decay (NMD), showing that the growth defects are augmented by the presence of a functional NMD pathway.
      Title: The pre-mRNA retention and splicing complex controls expression of the Mediator subunit Med20.
    2. Gene expression profiling identified a prominent and highly selective role for Med20 in the repression of RP gene transcription under multiple conditions
      Title: Genetic interactions of MAF1 identify a role for Med20 in transcriptional repression of ribosomal protein genes.
    3. Our results and published data support a positive role of the Med8/18/20 subcomplex in initiation-complex formation and suggest that the Mediator head contains a multipartite TBP-binding site that can be modulated by transcriptional activators.
      Title: Structure and TBP binding of the Mediator head subcomplex Med8-Med18-Med20.
    Submit: New GeneRIF Correction

    Interactions

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    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

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    Homology

    Gene Ontology Provided by SGD

    Function Evidence Code Pubs
    enables TFIID-class transcription factor complex binding IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    enables protein domain specific binding IGI
    Inferred from Genetic Interaction
    more info
    		 PubMed 
    enables transcription coactivator activity IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    enables transcription coactivator activity IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    enables transcription coactivator activity IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    enables transcription coregulator activity IEA
    Inferred from Electronic Annotation
    more info
    		  
    Process Evidence Code Pubs
    involved_in RNA polymerase II preinitiation complex assembly IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in cellular response to chemical stimulus IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    involved_in cellular response to nutrient levels IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    involved_in negative regulation of ribosomal protein gene transcription by RNA polymerase II IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    involved_in positive regulation of transcription by RNA polymerase II IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in regulation of transcription by RNA polymerase II IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    involved_in regulation of transcription by RNA polymerase II IEA
    Inferred from Electronic Annotation
    more info
    		  
    Component Evidence Code Pubs
    part_of core mediator complex IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    part_of mediator complex IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    part_of mediator complex IEA
    Inferred from Electronic Annotation
    more info
    		  
    located_in nucleus IEA
    Inferred from Electronic Annotation
    more info
    		  
    part_of protein-containing complex IEA
    Inferred from Electronic Annotation
    more info
    		  

    General protein information

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    Preferred Names
    Srb2p
    NP_011907.1
    • Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; general transcription factor involved in telomere maintenance

    NCBI Reference Sequences (RefSeq)

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    Genome Annotation

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference assembly

    Genomic

    1. NC_001140.6 Reference assembly

      Range
      189131..189864 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_001179171.1 → NP_011907.1  TPA: Srb2p [Saccharomyces cerevisiae S288C]

      See identical proteins and their annotated locations for NP_011907.1

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      D3DKY9, P34162
      UniProtKB/TrEMBL
      B3LSG1, C8ZAB2, N1P568
      Conserved Domains (1) summary
      pfam08612
      Location:1 → 209
      Med20; TATA-binding related factor (TRF) of subunit 20 of Mediator complex
    Nucleotide Protein
    Heading Accession and Version
    Protein Accession Links
    GenPept Link UniProtKB Link
    P34162.1

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