RGMB is a glycosylphosphatidylinositol (GPI)-anchored member of the repulsive guidance molecule family (see RGMA, MIM 607362) and contributes to the patterning of the developing nervous system. RGMB (Repulsive Guidance Molecule Family Member B) is a Protein Coding gene. Diseases associated with RGMB include Basilar Artery Occlusion and Miller-Dieker Lissencephaly Syndrome. Among its related pathways are Netrin-1 signaling and Signaling by BMP.