Keywords: (+)-K252a 1R0P.png Stick model of K252a Created using http //www accelrys com/products/downloads/ds_visualizer/index html Accelrys DS Visualizer Pro 1 7 GIMP and OptiPNG From PDB http //www rcsb org/pdb/cgi/explore cgi pdbId 1R0P 1R0P 2008-01-20 Fvasconcellos Indole alkaloids Indolocarbazoles |