Citing IMGT dynamic tools: Sanou G., Zeitoun G. et al. IMGT® at scale: FAIR, Dynamic and Automated Tools for Immune Locus Analysis, Nucleic Acids Research. 2025;,gkaf1024. doi: 10.1093/nar/gkaf1024 (Free Article) PMID: 41091930.

CDR lengths [CDR1-IMGT.CDR2-IMGT.germline CDR3-IMGT] are according to the IMGT unique numbering for V-DOMAIN.

By default only the first allele (*01) is taken into consideration. Otherwise the next allele number is taken into account.

Select species/locus for CDR lengths
Only IMGT available species/locus are shown in the dropdown list.