The IUBMB unites biochemists and molecular biologists in 75 countries that belong to the IUBMB as an "Adhering Body" or "Associate Adhering Body" represented by a biochemical society, a national research council or an academy of sciences. It also represents the regional organizations, Federation of Asian Oceanian Biochemists and Molecular Biologists (FAOBMB), Federation of European Biochemical Societies (FEBS), and Pan-American Society for Biochemistry and Molecular Biology (PABMB).