Immunogen sequence: LLGAVCMFL ASKLKETSPL TAEKLCIYTD NSIKPQELLE WELVVLGKLK WNLAAVTPHD FIEHILRKLP QQREKLSLIR KHAQTFIALC ATDFKFAMYP PS. Cyclin D2 is a G1 cyclin required for G1 phase progression and is a strong candidate for a proto-oncogene. Cyclin D2 can