Immunoglobulin heavy joining 1 (IGHJ1)

Immunoglobulin heavy joining 1 (IGHJ1) is a short DNA segment (joining, or J gene segment) in the immunoglobulin heavy-chain locus on human chromosome 14 that participates in V(D)J recombination during B-cell development, contributing to the diversity of antibodies. It is not itself a protein, enzyme, receptor, or typical therapeutic target but rather a genetic element required for immune system gene rearrangement[3][1][2]. Key clarifications: - IGHJ1 is a gene segment involved in the recombination (joining) step of immunoglobulin heavy chain gene assembly in B lymphocytes, where variable (V), diversity (D), and joining (J) segments are orchestrated to create the variable region of antibodies[1][2]. - It is not a receptor, enzyme, transporter, drug target, or a therapeutic protein; its main significance is in antibody gene assembly and diversity. - Mutations or deletions in such segments could, in principle, impact immune function, but there are not established drugs directly targeting IGHJ1. - Therefore, for therapeutic target databases or drug discovery, IGHJ1 should not be considered a classical druggable target.

Other names

IGHJ1JH1Immunoglobulin heavy joining 1Immunoglobulin heavy chain joining region 1