>sp|Q8WWL7-3|CCNB3_HUMAN Isoform 3 of G2/mitotic-specific cyclin-B3 OS=Homo sapiens OX=9606 GN=CCNB3 MLLPLPPQSSKPVPKKSQSSKIVPSHHDPSEKTGENCQTKISPSSLQESPSSLQGALKKR SAFEDLTNASQCQPVQPKKEANKEFVKVVSKKINRNTHALGLAKKNKRNLK