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(chrI - chrXVI,chrMito,2-micron)

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  VIII  IX  X  XI  XII  XIII
  XIV  XV  XVI  Mito
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About CYGD


MIPS Fungal Genomes

mips home MIPS-FUNGI-ADM      FTP
RPN2 26S proteasome regulatory subunit 
Entry:YIL075c
Alias:GVM2; SEN3
Classification:known protein | 5422 Entries | Evi | PUBMED
Feature Type:CDS
Features
   Blast-Simap    DNA VIEW    PROTEIN VIEW

Similarity:
Paralogs (14 %) ;  |  Homologs in   Hemiascomycota (97.4 %);  Basidiomycota (43.2 %);  Fungi (97.4 %);  Eukaryota (97.4 %);  Plants (39.8 %);  Mammalia (43.3 %);  Human (43.2 %);  Bacteria (11.4 %);  All except yeast (97.4 %)

  • similarity to C.elegans hypothetical protein
Functional Classification:
  • PROTEIN FATE (folding, modification, destination)
    ..protein modification
    ....protein processing (proteolytic) | 89 Entries | Evi | PUBMED
  • PROTEIN FATE (folding, modification, destination)
    ..protein/peptide degradation
    ....cytoplasmic and nuclear protein degradation
    ......proteasomal degradation (ubiquitin/proteasomal pathway) | 128 Entries | Evi | PUBMED
InterPro:
Localization:  RPN2 localization details
  • cytoplasm
  • ER
  • ER
    ..ER membrane
  • nucleus
  • nucleus
    ..nuclear envelope
Remarks:
  • was also isolated as a factor exercising post-transcriptional control of SEN1, which is required for the tRNA-splicing endonuclease SEN2
  • has an effect on the tRNA splicing system
  • functional homolog of the p112 subunit(S1) of the mammalian 19S subcomplex of the 26S proteasome complex
    Phenotypes:  Disruption: RPN2 details
    • lethal
    ___
    • disruption mutants are temperature sensitive, but complete deletion is lethal, see | PUBMED
    • sen3-1 has defect in degradation of ubiquitin-conjugated proteins and accumulates ubiquitin-protein conjugates
    • sen3-1 is a ts mutation with increased abundance of Sen3p fusion proteins at non-permissive temperature
    • mutants are defective in proteolysis by the ubiquitin pathway and the N-end rule system
    • mutants are defective in stress response upon cadmium exposure
    • mutants are defective in nuclear protein transport
    • mutants show an abnormal accumulation of tRNA intermediates
    • son1 sen3 and son1 cdc28-1N double mutants are inviable or very sick | PUBMED
    ___
    • Conditional phenotypes
      ..Heat-sensitivity (ts) | 313 Entries
    • Stress response defects
      ..Divalent cations and heavy metals
      ....Divalent cations and heavy metals resistance | 13 Entries
    Overexpression:
    • overexpression suppresses nin1-1 mutants
    Suppression:
    • SON1 and SEN3 suppresors suggest that a positive component of the default mating pathway is subject to ubiquitin-mediated degradation | PUBMED
    Click for larger Map
    Physical Features
    Coordinates:220697 - 217860 (C)
    Length:2838 nt
    Contig:chrIX
    Exon Coordinates:220697 - 217860
    GC Content:39.4 %
    Protein Length:945 aa
    Isoelectric Point:5.85
    Molecular Weight:104232 Da
    Retrieve Sequence: DNA /Protein
    Literature | References
    CYGD curated Lit.:PubMed
    PubMed:Search abstracts
    PubMed Central:Search full-text articles
    Sequence References:
    EMBL: Z37997
    EMBL: Z47047
    PIR: S48369
    NCBI: NP_012190
    Additional Links:
    CYGD Pathways:
  • Functional Relationships of YTA Proteins in Yeast
  • LinkOut:
  • SGD - Saccharomyces Genome Database
  • YGOB - Yeast Gene Order Browser
  • yMGV - yeast Microarray Global Viewer

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