Cited by 406

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Interaction between an Integral Protein of the Nuclear Envelope Inner Membrane and Human Chromodomain Proteins Homologous to HP1

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Ye, Qian, Worman, Howard J.·1996·Journal of Biological Chemistry

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Abstract

At the nuclear envelope in higher eukaryotic cells, the nuclear lamina and the heterochromatin are adjacent to the inner nuclear membrane, and their attachment is presumably mediated by integral membrane proteins. In a yeast two-hybrid screen, the nucleoplasmic domain of lamin B receptor (LBR), an integral protein of the inner nuclear membrane, associated with two human polypeptides homologous to Drosophila HP1, a heterochromatin protein involved in position-effect variegation. LBR fusion proteins bound to HP1 proteins synthesized by in vitro translation and present in cell lysates. Antibodies against LBR also co-immunoprecipitated HP1 proteins from cell extracts. LBR can interact with chromodomain proteins that are highly conserved in eukaryotic species and may function in the attachment of heterochromatin to the inner nuclear membrane in cells.

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See all 406

Authors: Ye, Q., & Worman, H. J.
Venue: Journal of Biological Chemistry
Publisher: Elsevier BV
Published: 1996-06
Volume: 271
Issue: 25
Pages: 14653-14656
ISSN: 0021-9258 (ISSN-L)
DOI: 10.1074/jbc.271.25.14653
OpenAlex: W2092403756
Cited by: 406
References: 33
FWCI: 7.17
Type: journal article
Language: en
Open access: hybrid

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Interaction between an Integral Protein of the Nuclear Envelope Inner Membrane and Human Chromodomain Proteins Homologous to HP1

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