The CAAT box is a DNA sequence found in the promoter region of genes, typically located about 70 to 80 base pairs upstream of the transcription start site. This sequence plays a crucial role in the regulation of gene expression by serving as a binding site for transcription factors and RNA polymerase, facilitating the initiation of transcription. The presence of the CAAT box is important for the precise control of gene expression, making it a significant element in regulatory element and motif discovery.
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