Immunogen sequence: PGVEGVTHYK AGDPVILYVN KVGPYHNPQE TYHYYQLPVC CPEKIRHKSL SLGEVLDGDR MAESLYEIRF RENVEKRILC HMQLSSAQVE QLRQAIEELY YFEFVVDDLP IRGFVGYMEE SGFLPHSHKI GLWTHLDFHL EFHGDRIIFA NVSVRDVKPH SLDGLRPDEF LGLTHTYSVR WSETSVERRS DRRRGDDGGF FPR; Positive