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- Title
HMGN4, a Newly Discovered Nucleosome-Binding Protein Encoded by an Intronless Gene.
- Authors
Birger, Yehudit; Ito, Yuko; West, Katherine L.; Landsman, David; Bustin, Michael
- 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.
- Subjects
CARRIER proteins; GENE expression
- Publication
DNA & Cell Biology, 2001, Vol 20, Issue 5, p256
- ISSN
1044-5498
- Publication type
Article
- DOI
10.1089/104454901750232454