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Cited by 253

The DOI matches its Crossref record; 50 of the 50 references it cites were found in a registry or an index.

Cohesin’s DNA Exit Gate Is Distinct from Its Entrance Gate and Is Regulated by Acetylation

Open access
Chan, Kok-Lung, Roig, Maurici B., Hu, Bin, Beckouët, Frédéric, Metson, Jean, Nasmyth, Kim·2012·Cell

Abstract

Sister chromatid cohesion is mediated by entrapment of sister DNAs by a tripartite ring composed of cohesin's Smc1, Smc3, and α-kleisin subunits. Cohesion requires acetylation of Smc3 by Eco1, whose role is to counteract an inhibitory (antiestablishment) activity associated with cohesin's Wapl subunit. We show that mutations abrogating antiestablishment activity also reduce turnover of cohesin on pericentric chromatin. Our results reveal a "releasing" activity inherent to cohesin complexes transiently associated with Wapl that catalyzes their dissociation from chromosomes. Fusion of Smc3's nucleotide binding domain to α-kleisin's N-terminal domain also reduces cohesin turnover within pericentric chromatin and permits establishment of Wapl-resistant cohesion in the absence of Eco1. We suggest that releasing activity opens the Smc3/α-kleisin interface, creating a DNA exit gate distinct from its proposed entry gate at the Smc1/3 interface. According to this notion, the function of Smc3 acetylation is to block its dissociation from α-kleisin. The functional implications of regulated ring opening are discussed.

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Metadata

Authors
Chan, K.-L., Roig, M. B., Hu, B., Beckouët, F., Metson, J., & Nasmyth, K.
Venue
Cell
Publisher
Elsevier BV
Published
2012-08
Volume
150
Issue
5
Pages
961-974
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2003101935
Cited by
253
References
50
FWCI
8.46
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Cohesin’s DNA Exit Gate Is Distinct from Its Entrance Gate and Is Regulated by Acetylation. https://app.cochat.ai/papers/10.1016/j.cell.2012.07.028
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Chan, K.-L., Roig, M. B., Hu, B., Beckouët, F., Metson, J., & Nasmyth, K. (2012). Cohesin’s DNA Exit Gate Is Distinct from Its Entrance Gate and Is Regulated by Acetylation. Cell. https://doi.org/10.1016/j.cell.2012.07.028

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