A highly conserved region between amino acids 221 and 266 of dengue virus non-structural protein 1 is a major epitope region in infected patients.

American Journal of Tropical Medicine and Hygiene. 91:146-155

Omokoko MD, Pambudi S, Phanthanawiboon S, Masrinoul P, Setthapramote C, Sasaki T, Kuhara M, Ramasoota P, Yamashita A, Hirai I, Ikuta K, Kurosu T.