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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Abate, C. Shang, Z. Pendergrast, P. S. Mcmahon, A. P. Ebright, R. H. Echelard, Y. Ebright, Y. W. Iler, N. |
| Description | Author Affiliation: Shang Z ( Center for Advanced Biotechnology and Medicine, Piscataway, NJ 08854.); |
| Abstract | We have incorporated the DNA-cleaving moiety o-phenanthroline-copper at amino acid 10 of the Msx-1 homeodomain, and we have analyzed site-specific DNA cleavage by the resulting Msx-1 derivative. We show that amino acid 10 of the Msx-1 homeodomain is close to the 5' end of the consensus DNA site 5'-(C/G)TAATTG-3' in the Msx-1-DNA complex. Our results indicate that the orientation of the Msx-1 homeodomain relative to DNA is analogous to the orientation of the engrailed and Antennapedia homeodomains. We show further that DNA affinity cleaving permits identification of consensus DNA sites for Msx-1 in kilobase DNA substrates. The specificity of the approach enabled us to identify an Msx-1 consensus DNA site within the transcriptional control region of the developmental regulatory gene Wnt-1. We propose that incorporation of o-phenanthroline-copper at amino acid 10 of a homeodomain may provide a generalizable strategy to determine the orientation of a homeodomain relative to DNA and to identify homeodomain consensus DNA sites in genomic DNA. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 1 |
| Volume Number | 91 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1994-02-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA-Binding Proteins Chemistry DNA Homeodomain Proteins Transcription Factors Zebrafish Proteins Animals Consensus Sequence DNA Damage Genes, Homeobox MSX1 Transcription Factor Mice Molecular Sequence Data Phenanthrolines Proto-Oncogene Proteins Genetics Regulatory Sequences, Nucleic Acid Restriction Mapping Wnt Proteins Wnt1 Protein Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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