The PAX3 paired domain and homeodomain function as a single binding module in vivo to regulate subnuclear localization and mobility by a mechanism that requires base-specific recognition.

Abstract excerpt

The transcription factor PAX3 is essential for myogenesis and neural crest development, and is one of several genes mutated in human Waardenburg syndrome. Analysis of disease-causing missense mutations in PAX3 has established the interdependence of its two DNA-binding domains, the paired domain (...

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