SERTAD2 (SERTA Domain Containing 2): SERTAD2 is a multifunctional protein that contains a SERTA domain, which is associated with cell cycle regulation. Beyond its role in cell cycle progression, SERTAD2 is involved in essential cellular processes such as DNA replication, DNA repair, and chromatin remodeling. Its interactions with various transcription factors and co-regulators establish it as a key regulator of gene expression.