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NCBI is a national center that advances science and health by offering access to various databases and tools for data submission, download, analysis, and research. Learn about NCBI's mission, organization, news, resources, and projects.
- Nucleotide
The Nucleotide database is a collection of sequences from...
- Blast
The Basic Local Alignment Search Tool (BLAST) finds regions...
- Gene
Gene integrates information from a wide range of species. A...
- Proteins
Submit data to NCBI; Save text searches and set up automated...
- Submission Portal
NCBI takes data capturing experimental or inferential...
- Learn
NCBI educational events are free and open to everyone. All...
- Genome
This resource organizes information on genomes including...
- NP 006735
1. retinol-binding protein 4 isoform a precursor [Homo...
- Nucleotide
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.
Gene integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.
NCBI provides various databases and tools for the study of gene function, homology, expression, and sequence. Find gene loci, nucleotide and protein sequences, homologs, expression profiles, and more.
The Protein database is a collection of sequences from several sources, including translations from annotated coding regions in GenBank, RefSeq and TPA, as well as records from SwissProt, PIR, PRF, and PDB. Protein sequences are the fundamental determinants of biological structure and function.
Nucleotide. The Nucleotide database is a collection of sequences from several sources, including GenBank, RefSeq, TPA and PDB. Genome, gene and transcript sequence data provide the foundation for biomedical research and discovery.
Search all biomedical databases provided by the National Center for Biotechnology Information (NCBI), an agency of the U.S. National Library of Medicine at the NIH.