TITLE

HMGN4, a Newly Discovered Nucleosome-Binding Protein Encoded by an Intronless Gene

AUTHOR(S)
Birger, Yehudit; Ito, Yuko; West, Katherine L.; Landsman, David; Bustin, Michael
PUB. DATE
May 2001
SOURCE
DNA & Cell Biology;May2001, Vol. 20 Issue 5, p256
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We describe a newly discovered nuclear protein, HMGN4, that is closely related to the canonical HMGN2 nucleosome-binding protein. The protein is encoded by an intronless gene, which, in humans, is located in the hereditary hemachromatosis region at position 6p21.3. A single ~2-kb HMGN4 mRNA was found to be expressed, in variable amounts, in all human tissues tested; however, the HMGN4 transcript was significantly less abundant than that of HMGN2. The HMGN4 protein could be detected in HeLa cells by Western analysis with an antibody elicited against a unique region of the protein. Transfection of HeLa cells with a plasmid expressing HMGN4-GFP indicated that the protein localizes to the nucleus. Our results expand the multiplicity of the HMGN protein family and increase the known cellular repertoire of nucleosome-binding proteins.
ACCESSION #
5322845

 

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