IMGT®, the international ImMunoGeneTics information system®

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Compare your sequence against IMGT


  • IMGT/BlastSearch at IMGT (Montpellier, France). The following databases can be searched :
    • IMGT/LIGM-DB sequences [blastn]
    • IMGT/LIGM-DB sequences (gDNA only) [blastn]
    • IMGT/GENE-DB reference sequences (F+ORF+inframe P) [blastn]
    • IMGT/LIGM-DB sequences (gDNA only) [blastn]
    • IMGT/3Dstructure-DB sequences [blastp]
    • IMGT/3Dstructure-DB domain sequences [blastp]
    • IMGT/DomainDisplay reference sequences [blastp]

  • 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)