HPDD, is a non-redundant protein domain database compiled from several domain dataases that uniquely maps all human protein regions to a protein domain.The database is available at http://bioinf.umbc.edu/hpdd.

NCBI- creates public databases, conducts research in computational biology, develops software tools for analyzing genome data, and disseminates biomedical information - all for the better understanding of molecular processes affecting human health and disease.