YER151C

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Systematic name YER151C
Gene name UBP3
Aliases BLM3
Feature type ORF, Verified
Coordinates Chr V:472419..469681
Primary SGDID S000000953


Description of YER151C: Ubiquitin-specific protease that interacts with Bre5p to co-regulate anterograde and retrograde transport between endoplasmic reticulum and Golgi compartments; inhibitor of gene silencing; cleaves ubiquitin fusions but not polyubiquitin[1][2][3][4]




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Community Commentary

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blm3-1 is an allele of UBP3 and BLM10 does not act as a suppressor of blm3-1. Further, blm10 null mutants are not sensitive to DNA damaging agents. The original error in cloning Blm10/Blm3 has caused enormous confusion in the proteasome field. [5] [6]




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References

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  1. Cohen M, et al. (2003) Deubiquitination, a new player in Golgi to endoplasmic reticulum retrograde transport. J Biol Chem 278(52):51989-92 SGD PMID 14593109
  2. Cohen M, et al. (2003) Ubp3 requires a cofactor, Bre5, to specifically de-ubiquitinate the COPII protein, Sec23. Nat Cell Biol 5(7):661-7 SGD PMID 12778054
  3. Moazed D and Johnson D (1996) A deubiquitinating enzyme interacts with SIR4 and regulates silencing in S. cerevisiae. Cell 86(4):667-77 SGD PMID 8752220
  4. Baker RT, et al. (1992) Ubiquitin-specific proteases of Saccharomyces cerevisiae. Cloning of UBP2 and UBP3, and functional analysis of the UBP gene family. J Biol Chem 267(32):23364-75 SGD PMID 1429680
  5. McCullock S, Kinard T, McCullough L, Formosa T (2006) blm3-1 Is an Allele of UBP3, a Ubiquitin Protease that Appears to Act During Transcription of Damaged DNA. J Mol Biol 363(3):660-72
  6. Iwanczyk J, Sadre-Bazzaz K, Ferrell K, Kondrashkina E, Formosa T, Hill CP, Ortega J (2006) Structure of the Blm10-20 S proteasome complex by cryo-electron microscopy. Insights into the mechanism of activation of mature yeast proteasomes. J Mol Biol 363(3):648-59

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