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AK7 | adenylate kinase 7; Adenylate kinase involved in maintaining ciliary structure and function (By similarity). Has highest activity toward AMP, and weaker activity toward dAMP, CMP and dCMP (723 aa) | |||
PDE4A | phosphodiesterase 4A, cAMP-specific (886 aa) | |||
PDE11A | phosphodiesterase 11A; Plays a role in signal transduction by regulating the intracellular concentration of cyclic nucleotides cAMP and cGMP. Catalyzes the hydrolysis of both cAMP and cGMP to 5’-AMP and 5’- GMP, respectively (933 aa) | |||
DCK | deoxycytidine kinase; Required for the phosphorylation of the deoxyribonucleosides deoxycytidine (dC), deoxyguanosine (dG) and deoxyadenosine (dA). Has broad substrate specificity, and does not display selectivity based on the chirality of the substrate. It is also an essential enzyme for the phosphorylation of numerous nucleoside analogs widely employed as antiviral and chemotherapeutic agents (260 aa) | |||
AK8 | adenylate kinase 8; Adenylate kinase. Has highest activity toward AMP, and weaker activity toward dAMP, CMP and dCMP (479 aa) | |||
ENTPD3 | ectonucleoside triphosphate diphosphohydrolase 3; Has a threefold preference for the hydrolysis of ATP over ADP (529 aa) | |||
PDE7B | phosphodiesterase 7B; Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes. May be involved in the control of cAMP-mediated neural activity and cAMP metabolism in the brain (450 aa) | |||
PDE8A | phosphodiesterase 8A (829 aa) | |||
AK4 | adenylate kinase 4; Involved in maintaining the homeostasis of cellular nucleotides by catalyzing the interconversion of nucleoside phosphates. Efficiently phosphorylates AMP and dAMP using ATP as phosphate donor, but phosphorylates only AMP when using GTP as phosphate donor (223 aa) | |||
DCTPP1 | dCTP pyrophosphatase 1; Hydrolyzes deoxynucleoside triphosphates (dNTPs) to the corresponding nucleoside monophosphates. Has a strong preference for modified dCTP. Activity is highest with 5-iodo-dCTP, followed by 5-bromo-dCTP, unmodified dCTP, 5-methyl-dCTP and 5-chloro-dCTP. Hydrolyzes 2-chloro-dATP and 2-hydroxy-dATP with lower efficiency, and has even lower activity with unmodified dATP, dTTP and dUTP (in vitro). Does not hydrolyze ATP, UTP, ITP, GTP, dADP, dCDP or dGTP. May protect DNA or RNA against the incorporation of non- canonical nucleotide triphosphates. May protect cells a [...] (170 aa) | |||
PDE1A | phosphodiesterase 1A, calmodulin-dependent (545 aa) | |||
PDE4B | phosphodiesterase 4B, cAMP-specific; Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes. May be involved in mediating central nervous system effects of therapeutic agents ranging from antidepressants to antiasthmatic and anti-inflammatory agents (736 aa) | |||
PDE2A | phosphodiesterase 2A, cGMP-stimulated; Cyclic nucleotide phosphodiesterase with a dual- specificity for the second messengers cAMP and cGMP, which are key regulators of many important physiological processes (941 aa) | |||
NT5C2 | 5’-nucleotidase, cytosolic II; May have a critical role in the maintenance of a constant composition of intracellular purine/pyrimidine nucleotides in cooperation with other nucleotidases. Preferentially hydrolyzes inosine 5’-monophosphate (IMP) and other purine nucleotides (561 aa) | |||
PDE4D | phosphodiesterase 4D, cAMP-specific (809 aa) | |||
AK5 | adenylate kinase 5; Active on AMP and dAMP with ATP as a donor. When GTP is used as phosphate donor, the enzyme phosphorylates AMP, CMP, and to a small extent dCMP (562 aa) | |||
AK2 | adenylate kinase 2 (239 aa) | |||
PDE4C | phosphodiesterase 4C, cAMP-specific; Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes (712 aa) | |||
DCTD | dCMP deaminase; Supplies the nucleotide substrate for thymidylate synthetase (189 aa) | |||
PDE3A | phosphodiesterase 3A, cGMP-inhibited; Cyclic nucleotide phosphodiesterase with a dual- specificity for the second messengers cAMP and cGMP, which are key regulators of many important physiological processes (By similarity) (1141 aa) | |||
PNP | purine nucleoside phosphorylase; The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta- (deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate (By similarity) (289 aa) | |||
ENTPD1 | ectonucleoside triphosphate diphosphohydrolase 1 (522 aa) | |||
ENTPD8 | ectonucleoside triphosphate diphosphohydrolase 8; Canalicular ectonucleoside NTPDase responsible for the main hepatic NTPDase activity. Ectonucleoside NTPDases catalyze the hydrolysis of gamma- and beta-phosphate residues of nucleotides, playing a central role in concentration of extracellular nucleotides. Has activity toward ATP, ADP, UTP and UDP, but not toward AMP (495 aa) | |||
CMPK1 | cytidine monophosphate (UMP-CMP) kinase 1, cytosolic; Catalyzes the phosphorylation of pyrimidine nucleoside monophosphates at the expense of ATP. Plays an important role in de novo pyrimidine nucleotide biosynthesis. Has preference for UMP and CMP as phosphate acceptors (228 aa) | |||
ADA | adenosine deaminase; Catalyzes the hydrolytic deamination of adenosine and 2- deoxyadenosine. Plays an important role in purine metabolism and in adenosine homeostasis. Modulates signaling by extracellular adenosine, and so contributes indirectly to cellular signaling events. Acts as a positive regulator of T-cell coactivation, by binding DPP4. Its interaction with DPP4 regulates lymphocyte- epithelial cell adhesion (363 aa) | |||
AK1 | adenylate kinase 1; Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism (194 aa) |