Variable charge Y-linked 1B (VCY1B)

Variable charge Y-linked 1B (VCY1B) is a small, highly positively charged nuclear protein encoded by the VCY1B gene, a member of the VCX/Y gene family found on both X and Y chromosomes[1][2][6]. These genes are expressed exclusively in male germ cells and share high sequence identity, though a repeated 30-bp unit typical in X-linked members occurs only once in Y-linked members[1][2][6]. While the precise biological function is unknown, the gene may be involved in spermatogenesis or play a role in sex ratio distortion[2]. There is currently no clear evidence that this protein is a conventional drug target, and there are no known drugs or well-defined mechanisms of action involving this molecule[2][6]. Key points: - VCY1B is not a conventional therapeutic target such as a receptor, enzyme, or transporter[2][6]. - The function of the protein remains unknown, though it may participate in male germ cell processes[2][6]. - It is associated with disorders related to male fertility, such as spermatogenic failure, but lacks a well-defined role in common disease pathways[2].

Other names

BPY1B