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. 2008 Oct 8;37(Database issue):D195–D200. doi: 10.1093/nar/gkn618

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© 2008 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — A dihydrofolate reductase (PDB-ID: 1RA7) with folic acid (HET-ID: FOL, red) bound. One of the highest ranking results from a ligand similarity screening, using compound Methotrexate (Het ID: MTX, blue), suggests a binding at that position.