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Zinc fingers were first identified in a study of transcription in the African clawed frog, Xenopus laevis in the laboratory of Aaron Klug.A study of the transcription of a particular RNA sequence revealed that the binding strength of a small transcription factor (transcription factor IIIA; TFIIIA) was due to the presence of zinc-coordinating finger-like structures. [6]
The schematic diagram of ZFNs. Zinc-finger nucleases (ZFNs) are artificial restriction enzymes generated by fusing a zinc finger DNA-binding domain to a DNA-cleavage domain. Zinc finger domains can be engineered to target specific desired DNA sequences and this enables zinc-finger nucleases to target unique sequences within complex genomes. By ...
The C-terminal end is also highly conserved with both the first and second zinc finger have 25 amino acids, while the third has 23 amino acids. Each of the three zinc fingers recognize three unique base pairs for their DNA-binding sites, which together make the general form NCR CRC CCN (where N is any base and R is a purine).
2735 14632 Ensembl ENSG00000111087 ENSMUSG00000025407 UniProt P08151 P47806 RefSeq (mRNA) NM_001160045 NM_001167609 NM_005269 NM_010296 RefSeq (protein) NP_001153517 NP_001161081 NP_005260 NP_034426 Location (UCSC) Chr 12: 57.46 – 57.47 Mb Chr 10: 127.17 – 127.18 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Zinc finger protein GLI1 also known as glioma-associated oncogene is a ...
This gene on the X chromosome is structurally similar to a related gene on the Y chromosome ().It encodes a member of the krüppel C2H2-type zinc-finger protein family. The full-length protein contains an acidic transcriptional activation domain (AD), a nuclear localization sequence (NLS) and a DNA binding domain (DBD) consisting of 13 C2H2-type zinc fingers.
The first zinc cluster is strictly conserved, whereas the second zinc cluster displays variability in the position of the two His residues. In Arabidopsis thaliana (Mouse-ear cress), the hypersensitive to red and blue 1 (Hrb1) protein, which regulating both red and blue light responses, contains a ZZ-type zinc finger domain. [3] ZZ-type zinc ...
The most common class of zinc finger (Cys2His2) coordinates a single zinc ion and consists of a recognition helix and a 2-strand beta-sheet. [7] In transcription factors these domains are often found in arrays (usually separated by short linker sequences) and adjacent fingers are spaced at 3 basepair intervals when bound to DNA.
Zinc finger transcription factors or ZF-TFs, are transcription factors composed of a zinc finger-binding domain and any of a variety of transcription-factor effector-domains that exert their modulatory effect in the vicinity of any sequence to which the protein domain binds. [1] Zinc finger protein transcription factors can be encoded by genes ...