Competitive ELISA analysis of nucleotide similar of 8-OHG using GTX00939 8-Hydroxyguanosine antibody. Partial cross-reactivity is observed with 8-mercaptoguanosine while 8-bromoguanosine shows some cross-reactivity. 2-Deoxyadenosine, 7-methylguanosine, guanosine monophosphate and guanosine show no reactivity.