For research use only. Not for therapeutic Use.
Geldanamycin-FITC, a Geldanamycin fluorescent probe, can be used in a fluorescence polarization assay for HSP90 inhibitors. Geldanamycin-FITC also can be used for detection of cell surface HSP90[1][2][3].
The HSP90 inhibitor Geldanamycin, when conjugated with FITC (GA–FITC) is cell-membrane impermeable, binding only cell surface HSP90 and inhibiting its functions but having no effect on cytosolic HSP90[3].
| Catalog Number | I045872 |
| CAS Number | 2969156-01-0 |
| Synonyms | 5-[6-[[(4E,6Z,8S,9S,10E,12S,13R,14S,16R)-9-carbamoyloxy-13-hydroxy-8,14-dimethoxy-4,10,12,16-tetramethyl-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1(21),4,6,10,18-pentaen-19-yl]amino]hexylcarbamothioylamino]-2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid |
| Molecular Formula | C55H63N5O13S |
| Purity | ≥95% |
| InChI | InChI=1S/C55H63N5O13S/c1-29-22-40-48(42(63)28-41(50(40)65)60-52(66)30(2)12-11-13-43(70-5)51(73-54(56)69)32(4)24-31(3)49(64)46(23-29)71-6)57-20-9-7-8-10-21-58-55(74)59-33-14-17-36(39(25-33)53(67)68)47-37-18-15-34(61)26-44(37)72-45-27-35(62)16-19-38(45)47/h11-19,24-29,31,43,46,49,51,57,61,64H,7-10,20-23H2,1-6H3,(H2,56,69)(H,60,66)(H,67,68)(H2,58,59,74)/b13-11-,30-12+,32-24+/t29-,31+,43+,46+,49-,51+/m1/s1 |
| InChIKey | NLCWMGUTUFWVHY-CPMGOHQRSA-N |
| SMILES | CC1CC(C(C(C=C(C(C(C=CC=C(C(=O)NC2=CC(=O)C(=C(C1)C2=O)NCCCCCCNC(=S)NC3=CC(=C(C=C3)C4=C5C=CC(=O)C=C5OC6=C4C=CC(=C6)O)C(=O)O)C)OC)OC(=O)N)C)C)O)OC |
| Reference | [1]. Kim J, et al. Development of a fluorescence polarization assay for the molecular chaperone Hsp90. J Biomol Screen. 2004;9(5):375‐381. [2]. Posfai D, et al. Identification of Hsp90 Inhibitors with Anti-Plasmodium Activity. Antimicrob Agents Chemother. 2018;62(4):e01799-17. Published 2018 Mar 27. [3]. Imai T, et al. Heat shock protein 90 (HSP90) contributes to cytosolic translocation of extracellular antigen for cross-presentation by dendritic cells. Proc Natl Acad Sci U S A. 2011;108(39):16363‐16368. |
