IMGT®, the international ImMunoGeneTics information system®

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Compare your sequence against IMGT


  • IMGT/BlastSearch at IMGT (Montpellier, France).

    See all the available databases in the documentation here: IMGT/BlastSearch Documentation

  • NCBI BLAST+ at EMBL-EBI (Hinxton, UK)
    Select IMGT then IMGT/LIGM-DB

  • BLAST2 at Institut Pasteur (Paris, France)
    • blastn: nucleotide query / nucleotide db in "Blast program" and
    • imgt: IMGT/LIGM-DB, ImMunoGeneTics database in "nucleotid db"


  • FASTA at Institut Pasteur (Paris, France)