Adenylate kinase 2, a mitochondrial enzyme
- PMID: 195572
- DOI: 10.1007/BF00520192
Adenylate kinase 2, a mitochondrial enzyme
Abstract
The subcellular compartmentalization of the isoenzymes of ATP:AMP phosphotransferase (adenylate kinase) was analyzed in HeLa cells, RAG cells, and RAG-human hybrids that express human AK-2. In HeLa cells and in the hybrids, human AK-2 was present in a mitochemical fraction prepared from cell extracts and in mitochondria purified by density gradient centrifugation. Human AK-1 was, as expected, distributed in the soluble cytoplasmic fraction of the cells. The rodent isozymes which are homologous to human AK-1 and AK-2 have been determined.
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