The National Center for Biotechnology Information (NCBI) advances science and health by providing access to biomedical and genomic information.

As a national resource for molecular biology information, NCBI’s mission is to develop new information technologies to aid in the understanding of fundamental molecular and genetic processes that control health and disease.

Resources: chemicals and bioassays, data and software, DNA and RNA, domains and structures, genes and expression, genetics and medicine, genomes and maps, homology, literature, proteins, sequence, analysis, taxonomy, training and tutorials, variation.  

Web site National Center for Biotechnology Information: http://www.ncbi.nlm.nih.gov/