Keywords: Methotrexate 1u72.svg validSVG Skeletal formula of methotrexate as bound to human dihydrofolate reductase Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 http //www inkscape org Inkscape and http //www vim org vim Own work after PDB http //www pdb org/pdb/explore do structureId 1u72 1u72 Fvasconcellos 2008-07-25 Methotrexate |