Which website can compare the heavy and light chain sequences of antibody variable regions?

To compare the variable region sequences of antibody heavy and light chains, you can use specialized bioinformatics tools and databases. These platforms not only assist in sequence alignment but also provide structural and functional information about antibodies. Here are some commonly used websites and tools:

 

1. IMGT (International ImMunoGeneTics Information System)

• Introduction: IMGT/V-QUEST is a tool specifically designed for analyzing and aligning immunoglobulin (Ig) and T cell receptor (TCR) sequences. IMGT/V-QUEST can align the variable region sequences of antibody heavy and light chains and provides detailed sequence characteristics, V(D)J gene segment identification, and mutation analysis.
• Website:IMGT/V-QUEST

 

2. NCBI BLAST

• Introduction: This is the BLAST tool from NCBI specifically for immunoglobulin and T cell receptor sequences. IgBLAST can align the variable region sequences of antibody heavy and light chains and provides related gene segment information.
• Website:NCBI IgBLAST

 

3. Abysis

• Introduction: This is an antibody database and analysis platform that offers functions such as antibody sequence alignment, annotation, and structure prediction. You can upload your antibody sequence and compare it with the antibody sequences in the database.
• Website:Abysis

 

4. ANARCI

• Introduction: This tool can be used for aligning antibody and T cell receptor sequences and numbering them based on the IMGT, Kabat, and Chothia numbering systems. It can quickly analyze the variable region sequences of antibody heavy and light chains.
• Website:ANARCI 

 

5. Clustal Omega

• Introduction: A general-purpose multiple sequence alignment tool that can be used for aligning antibody heavy and light chain sequences. Although it is not specifically designed for antibodies, it can still be used for multiple antibody sequence alignment analysis.
• Website:Clustal Omega

 

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