Two Domains Unique to Osteoblast-Specific Transcription Factor Osf2/Cbfa1 Contribute to Its Transactivation Function and Its Inability To Heterodimerize with Cbfβ

Abstract excerpt

Osf2/Cbfa1, hereafter called Osf2, is a member of the Runt-related family of transcription factors that plays a critical role during osteoblast differentiation. Like all Runt-related proteins, it contains a runt domain, which is the DNA-binding domain, and a C-terminal proline-serine-threonine-rich (PST) domain thought to be the transcription activation domain. Additionally, Osf2 has two amino-terminal domains...

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