Immunogen sequence: LELLPQRNPS LHVASLTRQL QHCMAGHQLL QFKGSTLALV IITLELERLM PGWCAPISDL LKKAQVGDMQ YSCCKELVMQ QLRSLQSSSC TDNFVSPAN Highest antigen sequence identity to the following orthologs: Mouse - 45%, Rat - 46%. CCNI2 belongs to the cyclin family.