The second messenger cyclic GMP immobilized on agarose by an aminohexyl spacer attached to the 2-amino group of the ligand. The gel can be used for affinity chromatography of various cyclic nucleotide-responsive proteins such as protein kinases, phosphodiesterases and others. Detailed technical information available. References: Kim & Park, J. Biochem. Mol. Biol., 36, 299 - 304 (2003); Margarucci et al., Mol. BioSyst., 7, 2311 - 2319 (2011). Normally all affinity gels are supplied in pre-packed columns. The free beads without a column are available upon request.