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IMGT/V-QUEST: IMGT Standardized Analysis of the Immunoglobulin (IG) and T Cell Receptor (TR) Nucleotide Sequences

Giudicelli, Véronique, Brochet, Xavier, Lefranc, Marie-Paule·2011·Cold Spring Harbor Protocols

Abstract

INTRODUCTION: IMGT/V-QUEST is the integrated online IMGT tool for the standardized analysis of the immunoglobulin (IG) or antibody and T cell receptor (TR) rearranged nucleotide sequences. The analysis of these antigen receptors represents a crucial challenge for the study of the adaptative immune response in normal and disease-related situations. The expressed IG and TR repertoires represent a potential of 10 12 IG and 10 12 TR per individual. This huge diversity results from mechanisms that occur at the DNA level during IG molecular synthesis, including the combinatorial rearrangement of the variable (V), diversity (D), and joining (J) genes, the N diversity (V, D, and J exonuclease trimming and addition at random of nucleotides by the terminal deoxynucleotidyl transferase during the V-(D)-J rearrangement) and, for IG, somatic hypermutations. IMGT/V-QUEST, as described here, identifies the V, D, J genes and alleles by alignment with the germline IG and TR gene and allele sequences of the IMGT reference directory. The tool describes the V-REGION mutations and identifies the hot spot positions in the closest germline V gene. IMGT/V-QUEST integrates IMGT/JunctionAnalysis for a detailed analysis of the V-J and V-D-J junctions and IMGT/Automat for a complete sequence annotation of the sequences, and provides IMGT Collier de Perles.

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Metadata

Authors
Giudicelli, V., Brochet, X., & Lefranc, M.-P.
Venue
Cold Spring Harbor Protocols
Published
2011-06
Volume
2011
Issue
6
Pages
pdb.prot5633
ISSN
  • 1559-6095 (ISSN-L)
  • 1940-3402
OpenAlex
W2022039028
Cited by
379
References
33
Type
posted content
Language
en
Open access
closed

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