RNA binding motif protein Y-linked family 1 member E (RBMY1E)

RNA binding motif protein Y-linked family 1 member E (RBMY1E) is a member of the RBMY gene family located on the Y chromosome and encodes a protein containing an RNA recognition motif and SRGY boxes, which are features typical of RNA-binding proteins involved in splicing regulation[4]. Although specific molecular functions for RBMY1E are not well established, RBMY family proteins are implicated in pre-mRNA splicing during spermatogenesis and are required for normal sperm development; loss or mutation leads to some forms of azoospermia (male infertility)[1][4]. Most closely related RBMY gene family members are found in the AZFb azoospermia factor region of chromosome Y, with some being functional and others considered pseudogenes[4]. The canonical molecular activity for RBMY proteins is sequence-specific binding to RNA stem–loop features through the RNA recognition motif, particularly in the context of human testis, but the precise functional targets and downstream mechanisms for RBMY1E remain uncertain[1]. There is no evidence that RBMY1E is a recognized therapeutic target, interacts with drugs, or serves as a clinical biomarker. The functional annotation of RBMY1E is primarily inferred from related RBMY family proteins since little, if any, direct experimental literature exists for this specific isoform. Most research and database entries focus on other paralogs (especially RBMY1A1). RBMY1E does not appear in major drug target databases, nor have interacting drugs or therapeutic applications been described. If this query intended to refer to a different target (such as RB1/Retinoblastoma protein), that would be a distinct entity. Overall, RBMY1E is best considered a putative splicing factor involved in spermatogenesis, not a recognized therapeutic target, and its molecular and clinical roles remain poorly characterized[1][4].

Other names

RBMY1ERNA-binding motif protein, Y chromosome, family 1 member E