Immunogen sequence: GLETLRLKLP AVVTADLRLN EPRYATLPNI MKAKKKKIEV IKPGDLGVDL TSKLSVISVE DPPQRTAGVK VETTEDLVAK LKEIGRI. This gene encodes electron-transfer-flavoprotein, beta polypeptide, which shuttles electrons between primary flavoprotein dehydrogenases