NCBI Database
Search and import sequences directly from NCBI GenBank. Access millions of nucleotide and protein sequences.
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About NCBI GenBank
NCBI GenBank is a comprehensive database of publicly available nucleotide sequences and their protein translations. It contains over 200 million sequences from more than 100,000 organisms. You can search by accession number (e.g., NC_000913), organism name (e.g., Escherichia coli), or gene name (e.g., 16S rRNA).