2V4L:
reference: Targeted polypharmacology: discovery of dual inhibitors of tyrosine and phosphoinositide kinases., Apsel B, Blair JA, Gonzalez B, Nazif TM, Feldman ME, Aizenstein B, Hoffman R, Williams RL, Shokat KM, Knight ZA, Nat Chem Biol. 2008 Nov;4(11):691-9. Epub 2008 Oct 12. PMID: 18849971

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