Protein profiles of rubber latex on both 1-DE and 2-DE gels. Both 1-DE (A) and 2-DE (B) results of rubber latex proteins from Hevea brasiliensis were presented. A, 1-DE analysis of proteins from lutoids (lane 1), C-serum (lane 2), rubber particles (lane 3), and total rubber latex (lane 4), respectively. M represents the molecular weight marker. The molecular masses were indicated on the left. B, 2-DE map of total latex proteins. About 1350 protein spots were detected. The spot number corresponded to that in Table 2.