17-AAG	Allyl-aminogeldanamycin
ATP	Adenosine triphosphate
17-DMAG	17-[[(2-Dimethylamino)ethyl]amino]geldanamycin
DMF	Dimethylformamide
DMSO	Dimethylsulfoxide
DTT	Dithiothreitol
FP	Fluorescence polarization
GM	Geldanamycin
HIF-1α	Hypoxia-inducible factor 1α
HNSCC	Head and neck squamous cell carcinoma
HRMS	High-resolution mass spectra
Hsp90	Heat shock protein 90
ITC	Isothermal titration calorimetry
mHsp90ND	N-terminal domain of mouse Hsp90α
MTT	3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide
NMR	Nuclear magnetic resonance
PCR	Polymerase chain reaction
PDB	Protein Data Bank
PMSF	Phenylmethylsulfonyl fluoride
SAR	Structure–activity relationship
TCEP	Tris(2-chloroethyl) phosphate
TMS	Tetramethylsilane