HA15-Biotin is a chemical probe that consists of HA15 and biotin attached on the amide part of HA15. HA15-Biotin exhibits similar levels of activity to HA15. HA15-Biotin can be used for proteomic analysis[1].
Among vibsanin a analogues, vibsanin a analog C (VAC) showed anti proliferative effect on various cancer cell lines, and the anti proliferative activity was the strongest among vibsanin a analogues. In addition, VAC fluctuated the amount of hsp90 related proteins in cells and inhibited hsp90 mediated protein refolding of luciferase in vitro.
Hsp90-IN-17 (Example 5) hydrochloride is an HSP90 inhibitor that can be used in the study of proliferative diseases, such as cancer and neurodegenerative diseases[1].
Cemdomespib (KU-596) is a highly bioavailable second-generation Hsp90 modulator. Cemdomespib has shown efficacy in improving sensory deficits in models of diabetic peripheral neuropathy. Cemdomespib induces Hsp70 levels and manifest neuroprotective activity through induction of the heat shock response[1][2][3].
PU-H54, a Grp94-selective inhibitor, can be used for the research of breast cancer. Hsp90 chaperone family, comprised in humans of four paralogs, Hsp90α, Hsp90β, Grp94 and Trap-1, has important roles in malignancy[1].
MPC-0767 is a potent, selective, and orally active hsp90 inhibitor. MPC-0767 is an L-alanine ester prodrug of MPC-3100 with improved chemical stability[1].
PU-WS13 is a selective Grp94 inhibitor, with an EC50 of 0.22 μM.
Retaspimycin Hydrochloride is a potent and water-soluble inhibitor of Hsp90 with EC50s of 119 nM for both Hsp90 and Grp9.
Onalespib (AT13387) is a potent inhibitor of Hsp90, with a Kd of 0.71 nM.
MAO A/HSP90-IN-2 (compound 4-C) is a dual inhibitor of HSP90and MAO A with the IC50 values of 0.016 and 4.58 μM, respectively. MAO A/HSP90-IN-2 increases HSP70 expression and reduces HER2 and phospho-Akt expression, and decreases IFN-γ induced PD-L1 expression in GL26 cells. MAO A/HSP90-IN-2 inhibits the growth of Temozolomide (HY-17364) -sensitive and -resistant GBM cells, colon cancer, leukemia, non-small cell lung and other cancers, and has potential to inhibit tumor immune escape[1].
Palmitic acid-d9 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2].
Hexadecanoate-13C16 potassium is the 13C-labeled Hexadecanoate sodium. Hexadecanoate-13C16 potassium can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2].
Palmitic acid-d4-2 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2].
KU-177 is a potent inhibitor of Hsp90 ATPase homologue 1 (Aha1), ablates Aha1-driven enhancement of Hsp90-dependent tau aggregation. KU-177 also disrupts Aha1/Hsp90 interactions (IC50=4.08 μM) without inhibition of Hsp90’s ATPase activity. KU-177 can be used for tauopathies research[1][2].
BIIB021 is an orally available, fully synthetic inhibitor of HSP90 with Ki and EC50 of 1.7 nM and 38 nM, respectively.
SEW84 (SEW04784) is a first-in-class, specific inhibitor of the Aha1-stimulated Hsp90 (ASH) ATPase activity (IC50=0.3 uM) without inhibiting basal Hsp90 ATPase;SEW84 binds to the C-terminal domain of Aha1 (Kd=1.7 uM) to weaken its asymmetric binding to Hsp90.SEW84 inhibited the GR- and AR-dependent luciferase expression with IC50 of 1.3 uM and 0.7 uM respectively.SEW84 blocks Aha1-dependent Hsp90 chaperoning activities, including the in vitro and in vivo refolding of firefly luciferase, and the transcriptional activity of the androgen receptor in cell-based models of prostate cancer.SEW84 promotes the clearance of phosphorylated tau in cellular and tissue models of neurodegenerative tauopathy.
Kongensin A is a natural product isolated from Croton kongensis. Kongensin A is an effective, covalent HSP90 inhibitor that blocks RIP3-dependent necroptosishas. Kongensin A is a potent necroptosis inhibitor and an apoptosis inducer. Kongensin A has potential anti-necroptosis and anti-inflammation applications[1].
NCT-58 is a potent inhibitor of C-terminal HSP90. NCT-58 does not induce the heat shock response (HSR) due to its targeting of the C-terminal region and elicits anti-tumor activity via the simultaneous downregulation of HER family members as well as inhibition of Akt phosphorylation. NCT-58 kills Trastuzumab-resistant breast cancer stem-like cells. NCT-58 induces apoptosis in HER2-positive breast cancer cells[1].
AMP-PCP disodium is an ATP analogue and can bind to Hsp90 N-terminal domain with a Kd value of 3.8 μM. AMP-PCP disodium binding favors the formation of the active homodimer of Hsp90[1].
Icapamespib (PU-HZ151) is a potent HSP90 inhibitor with an EC50 of 5 nM. Icapamespib is able to cross blood-brain barrier[1].
Flavokawain 1i (DiNap) is an Hsp90 inhibitor. Flavokawain 1i (DiNap) has anti-cell proliferation activity and can be used in cancer research[1].
Hsp90-IN-17 (Example 5) is an HSP90 inhibitor that can be used in the study of proliferative diseases, such as cancer and neurodegenerative diseases[1].
BX-2819 is a Hsp90 inhibitor with an IC50 value of 41 nM. BX-2819 inhibits the proliferation of cancer cells. BX-2819 can significantly inhibit the growth of NCI-N87 and HT-29 tumors in nude mice[1].
Palmitic acid-d2 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. Palmitic acid can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2].
HSP70/SIRT2-IN-2 (Compounds 1a) is a dual inhibitor for SIRT2 and HSP70, with IC50 of 45.1±5.0 μM for SIRT2. HSP70/SIRT2-IN-2 has antitumor activity[1].
Gedunin is a limonoid with anti-cancer, anti-viral, anti-inflammatory and insecticidal activities. Gedunin acts as a potent Hsp90 inhibitor and induces the degradation of Hsp90-dependent client proteins. Geduni may obstructs the entry of SARS-CoV-2 virus into human host cells and can be used for COVID-19 research[3].
JG-258 is an inactive negative control for Hsp70 inhibitors[1].
Palmitic acid-d4-1 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2][3].
CCT018159, a 3,4-diaryl pyrazoleresorcinol, is a ATP-competitive HSP90 ATPase activity inhibitor with IC50s of 3.2 and 6.6 µM for human Hsp90β and yeast Hsp90, respectively. CCT018159 caused cell cytostasis associated with a G1 arrest and induces apoptosis. CCT018159 inhibits key endothelial and tumor cell functions implicated in invasion and angiogenesis[1].
p5 Ligand for Dnak and DnaJ is a nonapeptide, which corresponds to the main binding site for the 23-residue part of the presequence of mitochondrial aspartate aminotransferase. p5 Ligand for Dnak and DnaJ is a high-affinity ligand for DnaK and DnaJ[1].