| Antigen | Recombinant human VEGF165 is a 3.82 kDa disulfide-linked homodimeric protein consisting of two 121 amino acid polypeptide chains. Glycosylation is not required for efficient secretion of VEGF. The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Met-Ala-Glu. Less than 1% as determined by silver-stained SDS-PAGE gel analysis |