Antibody molecules, or “immunoglobulins”, have been recognized only in vertebrates and all are found to have a fundamentally similar structure consisting of two heavy and two light peptide chains.

Caption Structure of the variable domains of the Cv2.1169 antibody (purple) in complex with the S protein domain involved in SARS-CoV-2 receptor binding (receptor binding domain or RBD in yellow ...

A team of scientists has uncovered the remarkable potential of a human antibody, mAb 3A6, in fighting Ebola virus infections.