Histone H2B pseudogene 2 (H2BP2)

Histone H2B pseudogene 2 (often given as HIST2H2BB or H2BP2) is a **pseudogene** related to the family of histone H2B genes. Histones, including functional H2B proteins, are basic nuclear proteins that are crucial for the formation of nucleosomes and thus the organization and regulation of chromatin in eukaryotic cells[3]. However, as a pseudogene, H2BP2 does not encode a functional histone protein and is not expected to have direct biological activity or function in gene regulation. Pseudogenes are generally regarded as non-functional sequences, although rare cases have regulatory roles at the RNA level. There is no evidence that H2BP2 is a direct therapeutic target, nor are there known drug interactions, clinical biomarkers, or safety concerns associated with it[3][5]. **Key clarifications:** - H2BP2 is a *pseudogene* and not a protein-coding gene or therapeutic target. - All functions, drug interactions, and mechanisms relate to functional histone H2B proteins, not this specific pseudogene[1][3][5]. - No evidence for disease association, biomarker status, or therapeutic risk is linked to this pseudogene. **Summary:** H2B histone pseudogene 2 (H2BP2 or HIST2H2BB) is a non-coding, non-functional segment resembling the histone H2B gene. It has no established biological, therapeutic, or clinical relevance as a drug target[3][5].

Other names

HIST2H2BBhistone cluster 2H2bb (pseudogene)