Abstract:
:Properly regulated cyclin proteolysis is critical for normal cell cycle progression. A nine-amino acid peptide motif called the destruction box (D box) is present at the N terminus of the yeast mitotic cyclins. This short sequence is required for cyclin ubiquitination and subsequent proteolysis. The anaphase-promoting complex/cyclosome (APC/C) is a multisubunit E3 required for cyclin ubiquitination. We have tested the D box of five mitotic cyclins for interaction with six APC/C subunits. The APC/C subunit Cdc23, but not five other subunits tested, interacted by two-hybrid analysis with the N terminus of wild-type Clb2. None of these subunits interacted with the N termini of the cyclins Clb1, Clb3, or Clb5. Mutations in the D box sequences of Clb2 inhibited interaction with Cdc23 both in vivo and in vitro. Our results provide the first evidence for a direct interaction between an APC/C substrate (Clb2) and an APC/C subunit (Cdc23).
journal_name
Arch Biochem Biophysjournal_title
Archives of biochemistry and biophysicsauthors
Meyn MA 3rd,Melloy PG,Li J,Holloway SLdoi
10.1016/s0003-9861(02)00467-8subject
Has Abstractpub_date
2002-11-15 00:00:00pages
189-95issue
2eissn
0003-9861issn
1096-0384pii
S0003986102004678journal_volume
407pub_type
杂志文章abstract::Halogenated and polycyclic aromatic hydrocarbons, exogenous ligands of the aryl hydrocarbon receptor (AhR), cause various toxicological effects through the transformation of the AhR. In this study, we investigated the antagonistic effects of indigoids on the transformation in addition to their agonistic ones. In a cel...
journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2011-12-01 00:00:00
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journal_title:Archives of biochemistry and biophysics
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更新日期:2006-08-01 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
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更新日期:2001-09-15 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
doi:10.1016/j.abb.2007.08.003
更新日期:2007-11-01 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
doi:10.1006/abbi.1998.0657
更新日期:1998-06-01 00:00:00
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journal_title:Archives of biochemistry and biophysics
pub_type: 杂志文章
doi:10.1016/0003-9861(89)90005-2
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pub_type: 杂志文章
doi:10.1016/0003-9861(89)90206-3
更新日期:1989-07-01 00:00:00