CDD Marchler-Bauer, A., Panchenko, A.R., Shoemaker, B.A., Thiessen, P.A., Geer, L.Y., Bryant, S.H.
CluSTr Kriventseva, E.V., Servant, F., Fleischmann, W., Zdobnov, E.V., Apweiler, R.
ProDom Kahn D., Courcelle E., Gouzy J.
SYSTERS, GeneNest, SpliceNest Krause, A., Haas, S.A., Coward, E., Vingron, M.
Integrated database of protein families, EST clusters and their genomic positions
database summary