Protein Data Bank Japan (PDBj): maintaining a structural data archive and resource description framework format.
Kinjo AR, Suzuki H, Yamashita R, Ikegawa Y, Kudou T, Igarashi R, Kengaku Y, Cho H, Standley DM, Nakagawa A, et al. Nucleic Acids Res. 2012 Jan; 40(Database issue):D453-60. Epub 2011 Oct 5.