Immunogen sequence: SAAAEVRAQVH RRKGLDLSQI PYINLVKHLT SACPNVCRIS RFHHTTPDSK THSGEKYTDP FKLGWRDLKG LYEDIRKELL ISTSELK Highest antigen sequence identity to the following orthologs - mouse 53%, rat 57%. PDSS1 is an enzyme that elongates the prenyl side-chai