Adenylate kinase isoenzyme 6

Definition:

Broad-specificity nucleoside monophosphate (NMP) kinase that catalyzes the reversible transfer of the terminal phosphate group between nucleoside triphosphates and monophosphates. AMP and dAMP are the preferred substrates, but CMP and dCMP are also good substrates. IMP is phosphorylated to a much lesser extent. All nucleoside triphosphates ATP, GTP, UTP, CTP, dATP, dCTP, dGTP, and TTP are accepted as phosphate donors. CTP is the best phosphate donor, followed by UTP, ATP, GTP and dCTP. May have a role in nuclear energy homeostasis. Has also ATPase activity. May be involved in regulation of Cajal body (CB) formation.

References:

[1]. Hui Ren, et al. The crystal structure of human adenylate kinase 6: An adenylate kinase localized to the cell nucleus. Proc Natl Acad Sci U S A. 2005 Jan 11;102(2):303-8. [Content Brief]

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