immunoglobulin G1, anti-(human vascular endothelial growth factor receptor type VEGFR-2 extracellular domain) (human monoclonal IMC-1121B γ-chain), disulfide with human monoclonal IMC-1121B κ-chain, dimer
immunoglobulin G1, anti-(vascular endothelial growth factor receptor 2 (EC 2.7.10.1 or protein-tyrosine kinase receptor Flk-1 or CD309 antigen) extracellular domain); human monoclonal IMC-1121B γ1 heavy chain (219-214')-disulfide with human monoclonal IMC-1121B κ light chain (225-225'':228-228'')-bisdisulfide dimer