>sp|P13350|CCNB1_XENLA G2/mitotic-specific cyclin-B1 OS=Xenopus laevis GN=ccnb1 MSLRVTRNMLANAENNVKTTLAGKRVVATKPGLRPRTALGDIGNKAEVKVPTKKELKPAV KAAKKAKPVDKLLEPLKVIEENVCPKPAQVEPSSPSPMETSGCLPDELCQAFSDVLIHVK DVDADDDGNPMLCSEYVKDIYAYLRSLEDAQAVRQNYLHGQEVTGNMRAILIDWLVQVQM KFRLLQETMFMTVGIIDRFLQEHPVPKNQLQLVGVTAMFLAAKYEEMYPPEIGDFTFVTD HTYTKAQIRDMEMKILRVLKFAIGRPLPLHFLRRASKIGEVTAEQHSLAKYLMELVMVDY DMVHFTPSQIAAASSCLSLKILNAGDWTPTLHHYMAYSEEDLVPVMQHMAKNIIKVNKGL TKHLTVKNKYASSKQMKISTIPQLRSDVVVEMARPLM