Immunogen sequence: MVGSALRRGA HAYVYLVSKA SHISRGHQHQ AWGSRPPAAE CATQRAPGSV VELLGKSYPQ DDHSNLTRKV LTRVGRNLHN QQHHPLWLIK ERVKEHFYKQ YVGRFGTPLF SVYDNLSPVV TTWQNFDSLL IPADHPSRKK GDNYYLNRTH MLRAHTSAHQ WDLLHAGLDA FLVVGDVYRR DQIDSQHYPI FHQLEAVRLF SKHELFAGIK DGE