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The Snail family of zinc-finger transcription factors consist of Snail1 (Snail), Snail2 (Slug) and Snail3 (Smuc), which shares an evolutionary conserved role in mesoderm formation in vertebrates. These molecules are composed of a highly conserved carboxy-terminal region containing four to six C2H2-type zinc fingers, which mediate sequence-specific interactions with DNA promoters containing an E-box sequence (CAGGTG). The amino termini of all vertebrate Snail family members contain the evolutionarily conserved SNAG (Snail/Gfi) domain, which is essential for transcriptional repression. Drosophila Snail lacks a SNAG domain; it has a consensus PxDLSx motif and exerts its repressive function through the interaction with the co-repressor CtBP. (PubMed: 20168078)
100 µg
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