igg1 monoclonal antibody (immunoglobulin). many biotech drugs are antibodies. cartoon representation with backbone gradient

abciximab acid adalimumab alemtuzumab amino antibodies antibody antigen atoms bacteria basiliximab belimumab bevacizumab biological biotech biotechnology blood cetuximab diagnosis diagnostic disease drug eculizumab efalizumab elisa epitope fab gemtuzumab health igg igg1 immune immunoglobulin immunotherapy infliximab microbe model molecular molecule pdb1igy peptide polymer polypeptide protein ranibizumab response rituximab science scientific structure system therapeutic trastuzumab vaccine virus