Anti-CKMT1B antibodies are used in the immunodetection of the protein creatine kinase, mitochondrial 1B. Synonyms for this target antigen include CKMT1, UMTCK, creatine kinase U-type, mitochondrial, U-MtCK, acidic-type mitochondrial creatine kinase, and CKMT. CKMT1B gene orthologs have been reported in the mouse and rat species.