Abstract：
:SIX1 interacts with EYA to form a bipartite transcription factor essential for mammalian development. Loss of function of this complex causes branchio-oto-renal (BOR) syndrome, whereas re-expression of SIX1 or EYA promotes metastasis. Here we describe the 2.0-Å structure of SIX1 bound to EYA2, which suggests a new DNA-binding mechanism for SIX1 and provides a rationale for the effect of BOR syndrome mutations. The structure also reveals that SIX1 uses predominantly a single helix to interact with EYA. Substitution of a single amino acid in this helix is sufficient to disrupt SIX1-EYA interaction, SIX1-mediated epithelial-mesenchymal transition and metastasis in mouse models. Given that SIX1 and EYA are overexpressed in many tumor types, our data indicate that targeting the SIX1-EYA complex may be a potent approach to inhibit tumor progression in multiple cancer types.
journal_name
Nat Struct Mol Bioljournal_title
Nature structural & molecular biologyauthors
Patrick AN,Cabrera JH,Smith AL,Chen XS,Ford HL,Zhao Rdoi
10.1038/nsmb.2505subject
Has Abstractpub_date
2013-04-01 00:00:00pages
447-53issue
4eissn
1545-9993issn
1545-9985pii
nsmb.2505journal_volume
20pub_type
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