May 18, 2015 · Your access to the NCBI website at www.ncbi.nlm.nih.gov has been temporarily blocked due to a possible misuse/abuse situation involving your site. This is not an indication of a security …

With this update, the email feature will also require My NCBI login, and PubMed emails will only be sent to the email address associated with the My NCBI account.

NCBI's Genome resources include information on large-scale genomics projects, genome sequences and assemblies, and mapped annotations, such as variations, markers and data from epigenomics …

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 …

A collection of biomedical books that can be searched directly or from linked data in other NCBI databases. The collection includes biomedical textbooks, other scientific titles, genetic resources …

Sequence Read Archive (SRA) data, available through multiple cloud providers and NCBI servers, is the largest publicly available repository of high throughput sequencing data.

Optimize for Highly similar sequences (megablast) Optimize for More dissimilar sequences (discontiguous megablast) Optimize for Somewhat similar sequences (blastn) Choose a BLAST …

NCBI Literature Resources MeSH PMC Bookshelf Disclaimer The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). …

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 …

As previously announced, the National Library of Medicine (NLM) National Center for Biotechnology Information (NCBI) is working on an update to PMC full-text search functionality and user …