X-Box Binding Protein 1

Synonyms

TREB 5 Protein

TREB-5 Protein

TREB5 Protein

Tax Responsive Element Binding Protein 5

Tax-Responsive Element-Binding Protein 5

X Box Binding Protein 1

XBP 1 Protein

XBP-1 Protein

XBP2 Protein

A basic leucine zipper transcription factor that regulates expression of MHC CLASS II GENES through its binding to a conserved X-box DNA sequence in the promoter region. It regulates the expression of genes involved in the UNFOLDED PROTEIN RESPONSE.