Immunogen sequence: QIMAQIGSYV PAEYSSFRIA KQIFTRISTD DDIETNSSTF MKEMKEIAYI LHNANDKSLI LIDELGRGTN TEEGIGICYA VCEYLLSLKA FTLFATHFLE LCHIDALYPN VENMHFEVQH VKNTSRNKEA ILYTYKLSKG LTEEKNYGLK AAEVSSLPPS IVLDAKEITT QITRQILQNQ RSTPEMERQR AVYHLATRLV QTARNSQLDP DSL