dA, dG, or dI + ATP => dAMP, dGMP, or dIMP + ADP (DGUOK)

Stable Identifier
Reaction [transition]
Homo sapiens
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Mitochondrial deoxyguanosine kinase (DGUOK) catalyzes the reactions of deoxyadenosine, deoxyguanosine, and deoxyinosine with ATP to form the corresponding nucleotide monophosphates and ADP (Park and Ives 1988; Johansson and Karlson 1996). Crystallographic studies of the human enzyme have confirmed its dimeric structure and allowed identification of key amino acid residues responsible for its substrate specificity (Johansson et al. 2001).

Literature References
PubMed ID Title Journal Year
2845866 Properties of a highly purified mitochondrial deoxyguanosine kinase

Park, I, Ives, DH

Arch Biochem Biophys 1988
8692979 Cloning and expression of human deoxyguanosine kinase cDNA

Johansson, M, Karlsson, A

Proc Natl Acad Sci USA 1996
11427893 Structural basis for substrate specificities of cellular deoxyribonucleoside kinases

Johansson, K, Ramaswamy, S, Ljungcrantz, C, Knecht, W, Piskur, J, Munch-Petersen, B, Eriksson, S, Eklund, H

Nat Struct Biol 2001
Participant Of
Catalyst Activity
Catalyst Activity
nucleoside kinase activity of DGUOK dimer [mitochondrial matrix]
Physical Entity
Orthologous Events