Immunogen sequence: MAHKQIYYSD KYFDEHYEYR HVMLPRELSK QVPKTHLMSE EEWRRLGVQQ SLGWVHYMIH EPEPHILLFR RPLPKDQQK; Positive Samples: Rat liver. CKS2 protein binds to the catalytic subunit of the cyclin dependent kinases and is essential for their biological fun