Cover: The three-dimensional structure of the native human AGA enzyme. One-half of the AGA molecule, comprising one {alpha}- (light blue) and one {beta}-subunit (dark blue). The locations of missense mutations and the insertion A42_A43insDA are yellow in the polypeptide backbone and the corresponding amino acid labels are adjacent to the residues. See Report by Saarela et al. in this issue, pp. 983-996.
[Table of Contents]