Patent ID: 9284356
Filing Date: 2016-03-15
CPC Classification: A61K,C07K,C12N,Y02A

Claim Text:
1. An isolated mutant flavivirus E-glycoprotein polypeptide, wherein the polypeptide comprises an isoleucine at position 474, a threonine at position 484, a valine at position 488 and a leucine at position 493, each numbered with reference to the West Nile virus E-glycoprotein polypeptide sequence of SEQ ID NO: 38, wherein the amino acid sequence of the polypeptide comprises SEQ ID NO: 12, SEQ ID NO: 23, SEQ ID NO: 24, SEQ ID NO: 25, SEQ ID NO: 26, SEQ ID NO: 27, SEQ ID NO: 28, SEQ ID NO: 29, SEQ ID NO: 30 or SEQ ID NO: 31.