Search NCBI databases (original) (raw)
Literature
Literature databases
Ontology used for PubMed indexing
Books, journals and more in the NLM Collections
Scientific and medical abstracts/citations
Data
Genes
Gene sequences and annotations used as references for the study of orthologs structure, expression, and evolution
Collected information about gene loci
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
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
Genomes
Genome sequence assemblies, large-scale functional genomics data, and source biological samples
Biological projects providing data to NCBI
Descriptions of biological source materials
Genome sequencing projects by organism
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
Chemical information with structures, information and links
Molecular pathways with links to genes, proteins and chemicals
Deposited substance and chemical information
News
Recent blog posts
NLM Musings JAN. 8, 2025
Librarians: Step into a New Year and a New Opportunity to Develop Your Skills
NLM’s 2025-2026 Associate Fellowship Program invites early- and second-career librarians to enhance their skills through a unique, year-long program. Current fellowship participants discuss their experiences learning about user engagement, data curation, and library services while collaborating with NLM experts. Fellowship applications are open until January 24, 2025.