CDD: a Conserved Domain Database for protein classification.
Aron Marchler-BauerJohn B. AndersonPraveen F. CherukuriCarol DeWeese-ScottLewis Y. GeerMarc GwadzSiqian HeDavid I. HurwitzJohn D. JacksonZhaoxi KeChristopher J. LanczyckiCynthia A. LiebertChunlei LiuFu LuGabriele H. MarchlerMikhail MullokandovBenjamin A. ShoemakerVahan SimonyanJames S. SongPaul A. ThiessenRoxanne A. YamashitaJodie J. YinDachuan ZhangStephen H. BryantPublished in: Nucleic Acids Res. (2005)