ECB-ART-39449
J Med Chem
2005 Jun 16;4812:4177-81. doi: 10.1021/jm049469l.
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Cyclic ADP-ribose analogues containing the methylenebisphosphonate linkage: effect of pyrophosphate modifications on Ca2+ release activity.
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Analogues of cyclic ADP-ribose (cADPR) incorporating a methylenebisphosphonate linkage in the place of the pyrophosphate have been synthesized from nicotinamide adenine dinucleotide analogues enzymatically using Aplysia californica ADP-ribosyl cyclase. Methylenebisphosphonate cyclic ADP-ribose (cADPR[CH(2)]) and methylenebisphosphonate cyclic 3-deaza-ADP-ribose (3-deaza-cADPR[CH(2)]) showed full agonist activity for release of Ca(2+) ions from sea urchin egg homogenates. The EC(50) for cADPR[CH(2)] was 856 nM and that for 3-deaza-cADPR[CH(2)] was 300 nM, about 15- and 5-fold less potent than cADPR, respectively.
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Genes referenced: LOC100887844