Literature
PubMed
PubMed® comprises more than 37 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
Featured Bookshelf titles
Clinical and Research Information on Drug-Induced Liver Injury
Literature databases
Books and reports
Ontology used for PubMed indexing
Books, journals and more in the NLM Collections
Scientific and medical abstracts/citations
Full-text journal articles
Data
Genes
Gene sequences and annotations used as references for the study of orthologs structure, expression, and evolution
Collected information about gene loci
Functional genomics studies
Gene expression and molecular abundance profiles
Sequence sets from phylogenetic and population studies
Proteins
Protein sequences, 3-D structures, and tools for the study of functional protein domains and active sites
Conserved protein domains
Protein sequences grouped by identity
Protein sequences
Models representing homologous proteins with a common function
Experimentally-determined biomolecular structures
BLAST
A tool to find regions of similarity between biological sequences
Search nucleotide sequence databases
Search protein sequence databases
Search protein databases using a translated nucleotide query
Search translated nucleotide databases using a protein query
Find primers specific to your PCR template
Genomes
Genome sequence assemblies, large-scale functional genomics data, and source biological samples
Genome assembly information
Museum, herbaria, and other biorepository collections
Biological projects providing data to NCBI
Descriptions of biological source materials
Genome sequencing projects by organism
DNA and RNA sequences
High-throughput sequence reads
Taxonomic classification and nomenclature
Clinical
Heritable DNA variations, associations with human pathologies, and clinical diagnostics and treatments
Privately and publicly funded clinical studies conducted around the world
Human variations of clinical significance
Genotype/phenotype interaction studies
Short genetic variations
Genome structural variation studies
Genetic testing registry
Medical genetics literature and links
Online mendelian inheritance in man
PubChem
Repository of chemical information, molecular pathways, and tools for bioactivity screening
Bioactivity screening studies
Chemical information with structures, information and links
Molecular pathways with links to genes, proteins and chemicals
Deposited substance and chemical information
News
Research news
Providing lasting protection from peanut allergy
Children who regularly ate peanut-containing foods early in life had a greatly reduced risk of developing peanut allergy into adolescence.
Rare gene mutation helps people resist Alzheimer’s disease
Researchers have discovered 27 people with a rare gene mutation called Christchurch that helped delay an aggressive form of Alzheimer’s disease for four years.
How Nutrition Regulates Ovulation
Fly fat tissue senses nutritional status through a stress response pathway to control reproductive activities.
Recent blog posts
The Big Three-O: LOINC Celebrates Three Decades of Standardizing Health Data Terminology
The Logical Observation Identifiers Names and Codes (LOINC) turns 30! Dr. Clem McDonald, creator of LOINC and NLM Senior Investigator, reflects on its history and achievements and the ways it revolutionized how clinical and laboratory data are documented and shared across healthcare systems.
A Modern ClinicalTrials.gov Website
Classic website no longer available effective June 25, 2024 We appreciate all the feedback received since the launch of the modernized ClinicalTrials.gov website in June 2023, and we’ve incorporated many of your suggestions. As announced last month, the classic website has remained available to help you transition to the modernized website. Effective today, the classic … Continue reading A Modern ClinicalTrials.gov Website
GenBank Release 261.0 is Available!
GenBank release 261.0 (6/18/2024) is now available on the NCBI FTP site. This release has 32.04 trillion bases and 4.51 billion records. The current release has: 251,094,334 traditional records containing 3,387,240,663,231 base pairs of sequence data 3,380,877,515 WGS records containing 27,900,199,328.,333 base pairs of sequence data 746,753,803 bulk-oriented TSA records containing 695,405,769,319 base pairs of … Continue reading GenBank Release 261.0 is Available!