Classification|Computational Biology|Computer Communication Networks|Database Management Systems|Databases as Topic|Databases, Factual|Databases, Genetic|Databases, Protein|Information Dissemination|Information Services|Information Storage and Retrieval|Information Systems|Internet|Medical Informatics|National Institutes of Health (U.S.)|National Library of Medicine (U.S.)|Sequence Analysis, Protein|Software|Software Design|Systems Integration|Unified Medical Language System|United States|User-Computer Interface