Tyrosine-protein kinase BAZ1B (BAZ1B)

Atypical tyrosine-protein kinase that plays a central role in chromatin remodeling and acts as a transcription regulator. Involved in DNA damage response by phosphorylating 'Tyr-142' of histone H2AX (H2AXY142ph).

H2AXY142ph plays a central role in DNA repair and acts as a mark that distinguishes between apoptotic and repair responses to genotoxic stress. Essential part of the WICH complicated, a chromatin remodeling complex that mobilizes nucleosomes and reconfigures irregular chromatin into a regular nucleosomal array structure.