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  • 1
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    Identification of the DNA binding site for NGFI-B by genetic selection in yeast (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-31
    Description: An in vivo selection system for isolating targets of DNA binding proteins in yeast was developed and used to identify the DNA binding site for the NGFI-B protein, a member of the steroid-thyroid hormone receptor superfamily. The feasibility of the technique was verified by selecting DNA fragments that contained binding sites for GCN4, a well-characterized yeast transcriptional activator. The DNA binding domain of NGFI-B, expressed as part of a LexA-NGFI-B-GAL4 chimeric activator, was then used to isolate a rat genomic DNA fragment that contained an NGFI-B binding site. The NGFI-B response element (NBRE) is similar to but functionally distinct from elements recognized by the estrogen and thyroid hormone receptors and the hormone receptor-like proteins COUP-TF, CF1, and H-2RIIBP. Cotransfection experiments in mammalian cells demonstrated that NGFI-B can activate transcription from the NBRE with or without its putative ligand binding domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, T E -- Fahrner, T J -- Johnston, M -- Milbrandt, J -- NS01018/NS/NINDS NIH HHS/ -- P01 CA49712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 31;252(5010):1296-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925541" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/metabolism ; Base Sequence ; Binding Sites ; Cloning, Molecular ; DNA, Fungal/*metabolism ; DNA-Binding Proteins/genetics/*metabolism/pharmacology ; Fungal Proteins/metabolism ; Molecular Sequence Data ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Plasmids ; *Protein Kinases ; Rats ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid ; Repressor Proteins ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; *Serine Endopeptidases ; Transcription Factors/genetics/*metabolism/pharmacology ; Transcription, Genetic ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Participation of non-zinc finger residues in DNA binding by two nuclear orphan receptors (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-04-03
    Description: Steroid-thyroid hormone receptors typically bind as dimers to DNA sequences that contain repeated elements termed half-sites. NGFI-B, an early response protein and orphan member of this receptor superfamily, binds to a DNA sequence that contains only one half-site (5'-AAAGGTCA-3'). A domain separate from the NGFI-B zinc fingers, termed the A box, was identified and is required for recognition of the two adenine-thymidine (A-T) base pairs at the 5' end of the NGFI-B DNA binding element. In addition, a domain downstream of the zinc fingers of the orphan receptor H-2 region II binding protein, termed the T box, determined binding to tandem repeats of the estrogen receptor half-site (5'-AGGTCA-3').〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, T E -- Paulsen, R E -- Padgett, K A -- Milbrandt, J -- NS01018/NS/NINDS NIH HHS/ -- P01 CA49712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Apr 3;256(5053):107-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1314418" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; CHO Cells ; Cell Nucleus/*physiology ; Cricetinae ; DNA/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Kinetics ; Mice ; Molecular Sequence Data ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Oligodeoxyribonucleotides/metabolism ; Polymerase Chain Reaction ; Receptors, Cell Surface/*metabolism ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid ; Recombinant Fusion Proteins/metabolism ; Sequence Homology, Nucleic Acid ; Substrate Specificity ; Transcription Factors/genetics/*metabolism ; Transfection ; Zinc Fingers/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Direct observation of native DNA structures with the scanning tunneling microscope (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Uncoated double-stranded DNA dissolved in a salt solution was deposited on graphite and imaged in air with the scanning tunneling microscope (STM). The resolution was such that the major and minor grooves could be distinguished. The pitch of the helix varied between 27 and 63 angstroms in the images obtained. Thus the STM can be useful for structural studies of a variety of uncoated and isolated biomolecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beebe, T P Jr -- Wilson, T E -- Ogletree, D F -- Katz, J E -- Balhorn, R -- Salmeron, M B -- Siekhaus, W J -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):370-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lawrence Livermore National Laboratory, Department of Chemistry, Livermore, CA 94550.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911747" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; DNA/*ultrastructure ; Microscopy, Electron, Scanning/instrumentation/*methods ; *Nucleic Acid Conformation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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