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In the present study we show that the Apl protein of the temperate coliphage 186 combines, in one protein, the activities of the coliphage lambda proteins Cro and Xis. We have shown previously that Apl represses both the lysogenic promoter, pL, and the major lytic promoter, pR, and is required for excision of the prophage. Apl binds at two locations on the(More)
Single chain variable region fragments (scFvs) are composed of an immunoglobulin (Ig) variable heavy (VH) and variable light (VL) chain joined by a flexible serine-glycine linker. They represent the smallest antibody fragments that maintain antigen specificity and they hold significant potential for therapeutic antigen targeting in vivo. Here we report on(More)
A conserved DNA sequence element, termed cytokine 1 (CK-1), is found in the promoter regions of many hemopoietic growth factor (HGF) genes. Mutational analyses and modification interference experiments show that this sequence specifically binds a nuclear transcription factor, NF-GMa, which is a protein with a molecular mass of 43 kilodaltons. It interacts(More)
In this study, the effect of the organic micropollutant and known inhibitor of nitrification, p-cresol, was investigated on the metabolism of the ammonia oxidizing bacteria (AOB) Nitrosomonas eutropha C91 using MS-based quantitative proteomics. Several studies have demonstrated that AOB are capable of biotransforming a wide variety of aromatic compounds(More)
A number of mesenchymal cells produce hemopoietic growth factors in response to inflammatory mediators in vitro and in vivo. Induced transcription from the hemopoietic growth factor genes is at least partially responsible for their increased expression. We have previously identified a sequence, cytokine (CK)-1, in the granulocyte (G)-CSF gene promoter that(More)
All isoforms of the Wilms' tumour suppressor protein, WT1, contain four consecutive zinc fingers which facilitate DNA binding. The predominant WT1 transcript contains a 9 base pair insertion resulting in an additional three amino acids, lysine-threonine-serine (KTS), between zinc fingers 3 and 4. WT1 zinc fingers 2, 3 and 4 are highly homologous to the zinc(More)
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