نتایج جستجو برای: zinc finger nuclease
تعداد نتایج: 105645 فیلتر نتایج به سال:
Zinc finger proteins are among the most abundant proteins in eukaryotic genomes. Their functions are extraordinarily diverse and include DNA recognition, RNA packaging, transcriptional activation, regulation of apoptosis, protein folding and assembly, and lipid binding. Zinc finger structures are as diverse as their functions. Structures have recently been reported for many new zinc finger doma...
BACKGROUND Genetic studies of the Arabidopsis mutant lsd1 highlight the important role of LSD1 in the negative regulation of plant programmed cell death (PCD). Arabidopsis thaliana LSD1 (AtLSD1) contains three LSD1-type zinc finger motifs, which are involved in the protein-protein interaction. METHODOLOGY/PRINCIPAL FINDINGS To further understand the function of LSD1, we have analyzed cellular...
Our experiments describe an alternative method of dsDNA recognition using zinc finger (ZF) molecules which bind DNA specifically and with high affinity. Our aim was to develop zinc finger probes which are able to bind to dsDNA molecules at predetermined sites. In our basic approach we used pairs of complementary oligonucleotides to form dsDNAs, containing one of the three SP1-transcription fact...
Zinc finger domains are protein structures first identified in the Xenopus transcription factor TFIIIA. A zinc finger is composed of 20 to 30 amino-acid residues. There are two residues at both extremities of the domain which are involved in the tetrahedral coordination of a zinc atom. It has been proposed that such a domain interacts with the DNA. Many classes of zinc fingers are characterized...
Rapid progress in the ability to develop and utilize zinc-finger proteins with customized sequence specificity have led to their increasing use as tools for modulation of target gene transcription in the post-genomic era. In the present paper, a series of in vitro binding assays and in vivo reporter analyses were used to demonstrate that a zinc-finger protein can effectively specify a base at e...
Zinc finger domains of the classical type represent the most abundant DNA binding domains in eukaryotic transcription factors. Plant proteins contain from one to four zinc finger domains, which are characterized by high conservation of the sequence QALGGH, shown to be critical for DNA-binding activity. The Arabidopsis thaliana SUPERMAN protein, which contains a single QALGGH zinc finger, is nec...
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