Box Columns
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Theoretical and experimental study of high strength concrete filled steel tubes / Estudo teórico-experimental de pilares mistos compostos por tubos de aço preenchidos com concreto de alta resistência.
The use of concrete filled steel tubes especially in tall buildings is a tendency in several european, american and asian countries. The use of these members has several advantages: high resistance and ductility, saving of materials and labour, reduction of cross section dimensions and improvement in behaviour of the materials steel and concrete due the conf
Publicado em: 1999
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2. Identification and Characterization of Three Orchid MADS-Box Genes of the AP1/AGL9 Subfamily during Floral Transition1
Gene expressions associated with in vitro floral transition in an orchid hybrid (Dendrobium grex Madame Thong-In) were investigated by differential display. One clone, orchid transitional growth related gene 7 (otg7), encoding a new MADS-box gene, was identified to be specifically expressed in the transitional shoot apical meristem (TSAM). Using this clone a
American Society of Plant Physiologists.
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3. Direct interaction between adenovirus E1A protein and the TATA box binding transcription factor IID.
Adenovirus E1A has long been known to activate/repress cellular and viral transcription. The transcriptional activity of nuclear extracts was depleted after chromatography on immobilized E1A protein columns that specifically retained the transcription factor (TF) IID. Stronger direct interactions between E1A and human TFIID than between E1A and yeast TFIID s
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4. Identification of human TFIID components and direct interaction between a 250-kDa polypeptide and the TATA box-binding protein (TFIID tau).
Previous studies have indicated that human transcription initiation factor TFIID is a large complex that contains a TATA-binding polypeptide (TFIID tau or TBP) and other components that qualitatively alter promoter interactions and are uniquely required for activator-dependent (versus basal) transcription. TFIID tau-specific antibody columns have been employ
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5. Recognition of distinct HLA-DQA1 promoter elements by a single nuclear factor containing Jun and Fos or antigenically related proteins.
The activity of MHC class II promoters depends upon conserved regulatory signals one of which, the extended X-box, contains in its X2 subregion a sequence related to the cAMP response element, CRE and to the TPA response element, TRE. Accordingly, X2 is recognized by the AP-1 factor and by other c-Jun or c-Fos containing heterodimers. We report that the X-bo
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6. Factors involved in specific transcription by mammalian RNA polymerase II: purification and analysis of transcription factor IIA and identification of transcription factor IIJ.
The previously described transcription factor IIA (TFIIA) protein fraction was separated into two factors that affect transcription, TFIIA and TFIIJ. TFIIA was found to have a stimulatory effect, and TFIIJ was found to be required for transcription. The requirement of TFIIJ was observed when bacterially produced purified human or yeast (Saccharomyces cerevis
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7. The p20 and Ded1 proteins have antagonistic roles in eIF4E-dependent translation in Saccharomyces cerevisiae
The translation initiation factor eIF4E mediates the binding of the small ribosomal subunit to the cap structure at the 5′ end of the mRNA. In Saccharomyces cerevisiae, the cap-binding protein eIF4E is mainly associated with eIF4G, forming the cap-binding complex eIF4F. Other proteins are detected upon purification of the complex on cap-affinity columns. A
The National Academy of Sciences of the USA.