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About this app

Look up any human or mouse gene in seconds. Gene Search is a fast, clean NCBI gene browser for biologists, students, and anyone working with genetic data — gene info, RefSeq RNA sequences, and primer design, right on your phone.

GENE LOOKUP, HUMAN & MOUSE
• Search genes by name, symbol, or alias
• Toggle between human and mouse genomes for targeted results
• Powered by NCBI's gene database for accurate, up-to-date information

DETAILED GENE PAGES
• Description, function, genomic location, and aliases for every gene
• RefSeq accession numbers (NM_, NR_, XM_, XR_)
• Sequence type badges — mRNA, ncRNA, predicted RNA — with lengths in base pairs

PRIMER DESIGN WITH BLAST
• Design primers for your gene of interest and check them with BLAST

FAVORITES & HISTORY
• Save favorite genes for quick access
• Recent search history so you can jump back to what you were reading

WORKS WITH PLASMID EDITOR
• Found your gene? Hand its accession straight to our companion app, Plasmid Editor: Cloning & AAV, to design your construct.

Whether you're checking a gene symbol in a seminar, pulling a RefSeq accession at the bench, or exploring mouse orthologs for your next experiment, Gene Search gets you from question to answer fast.

Free, simple, and built for the way researchers actually look things up.
Search NCBI genes — human & mouse. RefSeq RNA, primer design with BLAST, free.
Updated on
Aug 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

This update turns Gene Search into a complete qPCR assay design tool:
1. qRT-PCR primer design: generate optimized primer pairs for any mRNA directly on your device, with expected product size, Tm, and GC content for each pair
2. One-tap verification: open any designed pair in NCBI Primer-BLAST with everything prefilled
3. CSV export: share complete primer, siRNA, and sgRNA result sets ready for oligo ordering
4. Rat support: search rat genes alongside human and mouse