ZNF438, also known as Zinc Finger Protein 438, is a member of the zinc finger protein family, characterized by zinc finger domains that enable DNA binding and protein interactions. These proteins play key roles in regulating gene expression, chromatin remodeling, and RNA processing. ZNF438 primarily functions as a transcription factor, binding to specific DNA sequences to control the activity of target genes, often working together with other transcriptional regulators and chromatin modifiers to fine-tune cellular processes.