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- Table of Contents
Facts about Adenylate kinase 2, mitochondrial.
Adenylate kinase activity is critical for regulation of the phosphate utilization as well as the AMP de novo biosynthesis pathways. Plays a key role in hematopoiesis.
Human | |
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Gene Name: | AK2 |
Uniprot: | P54819 |
Entrez: | 204 |
Belongs to: |
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adenylate kinase family |
adenylate kinase 2; adenylate kinase 2, mitochondrial; adenylate kinase isoenzyme 2, mitochondrial; ADK2; AK 2; ATP-AMP transphosphorylase 2; EC 2.7.4; EC 2.7.4.3
Mass (kDA):
26.478 kDA
Human | |
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Location: | 1p35.1 |
Sequence: | 1; NC_000001.11 (33007940..33036911, complement) |
Present in most tissues. Present at high level in heart, liver and kidney, and at low level in brain, skeletal muscle and skin. Present in thrombocytes but not in erythrocytes, which lack mitochondria. Present in all nucleated cell populations from blood, while AK1 is mostly absent. In spleen and lymph nodes, mononuclear cells lack AK1, whereas AK2 is readily detectable. These results indicate that leukocytes may be susceptible to defects caused by the lack of AK2, as they do not express AK1 in sufficient amounts to compensate for the AK2 functional deficits (at protein level).
Mitochondrion intermembrane space.
PMID: 8843353 by Lee Y., et al. Cloning and characterization of cDNA for human adenylate kinase 2A.
PMID: 9504408 by Lee Y., et al. Cloning and expression of human adenylate kinase 2 isozymes: differential expression of adenylate kinase 1 and 2 in human muscle tissues.