Nucleic acid binding protein (NABP)

Nucleic acid binding proteins (NABPs) constitute a vast and diverse class of proteins characterized by their ability to bind to DNA or RNA, playing fundamental roles in nearly all aspects of genetic information processing. This category encompasses transcription factors that regulate gene expression, enzymes such as polymerases and helicases involved in replication and repair, and structural proteins like histones that package the genome (Source: UniProt, NCBI). In therapeutic contexts, these proteins are critical targets; for instance, viral RNA polymerases are targeted by antivirals, while human topoisomerases and DNA repair proteins are targeted by chemotherapeutic agents to induce apoptosis in cancer cells (Source: PubChem, PubMed). Because this term refers to a broad functional class rather than a specific molecular entity, it is often considered too general for precise drug-target classification, as individual members vary significantly in structure and pharmacological profile. Dysregulation of NABPs is a hallmark of many diseases, including oncogenesis driven by aberrant transcription factors and neurodegeneration linked to RNA-binding protein aggregation (Source: NIH, StatPearls).

Other names

DNA-binding proteinRNA-binding proteinNucleoproteinPolynucleotide-binding protein

Inhibition of nucleic acid synthesis, induction of DNA damage, inhibition of enzymatic activity (e.g., polymerase or topoisomerase inhibition), and modulation of gene expression.