1BGQ:
reference: Structural basis for inhibition of the Hsp90 molecular chaperone by the antitumor antibiotics radicicol and geldanamycin., Roe SM, Prodromou C, O'Brien R, Ladbury JE, Piper PW, Pearl LH, J Med Chem 1999 Jan 28;42(2):260-6. PMID: 9925731

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