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

NIH Virtual Tour: National Library of Medicine NLM is the world's largest biomedical library and a national resource for health professionals, scientists, and the public.

Jul 21, 2025 · The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases and …

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Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the …

The NCBI Sequence Viewer is a graphical display for nucleotide and protein sequences.

Submit sequence data to NCBI archives, including GenBank, Sequence Read Archive (SRA), and Gene Expression Omnibus (GEO), to obtain accession numbers. Assembled and unassembled read data …

Oct 21, 2024 · As part of this update, the primary URL for the PMC website has changed from ncbi.nlm.nih.gov/pmc to pmc.ncbi.nlm.nih.gov. In addition, you’ll notice a new look, feel, and …

Feb 5, 2024 · MEDLINE is the National Library of Medicine's (NLM) premier bibliographic database that contains references to journal articles in life sciences, with a concentration on biomedicine.

All the PubMed Central (PMC) Open Access articles are available in the BioC format. This provides a large number of full text research articles for text mining and information retrieval research. BioC is a …