X-Box Binding Protein 1
TREB 5 Protein
Tax Responsive Element Binding Protein 5
Tax-Responsive Element-Binding Protein 5
X Box Binding Protein 1
XBP 1 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.