Sequence of this protein is as follows: GVHIKLPLLS KDSRFPKILE NLRLQKRGTG GVDTAATGGV FDISNLDRLG KSEVELVQLV IDGVNYLIDC ERRLERGQDI RIPTPVIHTK H
Mitochondrial creatine (MtCK) kinase is responsible for the transfer of high energy phosphate from mitochondria to the cytosolic carrier, creatine. It belongs to the creatine kinase isoenzyme family. It exists as two isoenzymes, sarcomeric MtCK and ubiquitous MtCK, encoded by separate genes. Mitochondrial creatine kinase occurs in two different oligomeric forms: dimers and octamers, in contrast to the exclusively dimeric cytosolic creatine kinase isoenzymes. Many malignant cancers with poor prognosis have shown overexpression of ubiquitous mitochondrial creatine kinase; this may be related to high energy turnover and failure to eliminate cancer cells via apoptosis. Ubiquitous mitochondrial creatine kinase has 80% homology with the coding exons of sarcomeric mitochondrial creatine kinase. Two genes located near each other on chromosome 15 have been identified which encode identical mitochondrial creatine kinase proteins.
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Protein Aliases: Acidic-type mitochondrial creatine kinase; Creatine kinase U-type, mitochondrial; creatine kinase, mitochondrial 1 (ubiquitous); Mia-CK; U-MtCK; Ubiquitous mitochondrial creatine kinase
Gene Aliases: CKMT; CKMT1; CKMT1A; CKMT1B; UMTCK
UniProt ID: (Human) P12532
Entrez Gene ID: (Human) 1159
Molecular Function: amino acid kinase