Immunoglobulin Light Chain - Structure

Structure

Only one type of light chain is present in a typical antibody, thus the two light chains of an individual antibody are identical.

Each light chain is composed of two tandem immunoglobulin domains:

  • one constant (CL) domain
  • one variable domain (VL) that is important for binding antigen

The approximate length of a light chain protein is from 211 to 217 amino acids.

Read more about this topic:  Immunoglobulin Light Chain

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