Immunogen sequence: GSVPTGMKIM EMSAKGIKPV TLELGGKSPL IIFSDCDMNN AVKGALMANF LTQGQVCCNG TRVFVQKEIL DKFTEEVVKQ TQRIKIGDPL LEDTRMGPLI NRPHLERVLG FVKVAKEQGA KVLCGGDIYV PEDPKLKDGY YMRPCVLTNC RDDMTCVKEE IFGPVMSILS FDTEAEVLER ANDTTFGLAA GVFTR. ALDH9A1 belongs to