Atazanavir (BMS-232632) Sulfate

For research use only.

Catalog No.S1457

13 publications

Atazanavir (BMS-232632) Sulfate Chemical Structure

CAS No. 229975-97-7

Atazanavir Sulfate (BMS-232632) is a HIV protease inhibitor with Ki of 2.66 nM in a cell-free assay.

Selleck's Atazanavir (BMS-232632) Sulfate has been cited by 13 publications

1 Customer Review

  • Protease inhibitors induce macroautophagy. JEG3 were seeded on glass chamber slides (1 x 104 cell per chamber; 8-well μ slides; Ibidi, Martinsried, Germany), grown for 24 h under cell culture conditions, and treated for 24 h with 0-10 ug/ml of either lopinavir/ritonavir or atazanavir. Cells were then incubated for 30 min with the blue-green fluorescent autophagy marker monodansylcadaverine and viewed under a fluorescence microscope.

    Reprod Toxicol 2014 50, 122-8. Atazanavir (BMS-232632) Sulfate purchased from Selleck.

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Biological Activity

Description Atazanavir Sulfate (BMS-232632) is a HIV protease inhibitor with Ki of 2.66 nM in a cell-free assay.
Features Atazanavir is generally more potent than other HIV-1 Prt inhibitors, including IDV, SQV, RTV, NFV, and APV.
HIV protease [1]
(Cell-free assay)
2.66 nM(Ki)
In vitro

Atazanavir inhibits the proteolytic cleavage of the viral gag precursor p55 polyprotein with IC50 of ~47 nM in virus-infected H9 cells. Atazanavir exhibits potent antiviral activity with EC50 of 3.89 nM in RF/MT-2 strains. [1]. Atazanavir is shown to be an inhibitor of bilirubin glucuronidation with IC50 of 2.4 μM. Atazanavir inhibits recombinant UGT1A1 with Ki of 1.9 μM. [2] Atazanavir inhibits cell growth in U251, T98G, and LN229 glioblastoma cell lines, with strikingly increased GRP78 and CHOP protein levels. Atazanavir causes a prominent increase of polyubiquitinated proteins of various different sizes in U251 glioblastoma cells. [3] Atazanavir also inhibits human 20S proteasome with IC50 of 26 μM. Atazanavir (30 μM) changes the magnitudes of ER stress and UPR gene expression in HepG2 cells. [4] Atazanavir (30 mM) causes a 2.5-fold increase in immunoreactive P-gp expression with decreased intracellular Rh123 in LS180V cells. [5]


Kinase Assay:[1]
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Protease assays:

To determine the inhibition constants (Ki) for each Prt inhibitor, purified HIV-1 RF wild-type Prt (2.5 nM) is incubated at 37 ℃ with 1 μM to 15 μM fluorogenic substrate in reaction buffer (1 M NaCl, 1 mM EDTA, 0.1 M sodium acetate [pH 5.5], 0.1% polyethylene glycol 8000) in the presence or absence of Atazanavir. Cleavage of the substrate is quantified by measuring an increase in fluorescent emission at 490 nM after excitation at 340 nM using a Cytofluor 4000. Reactions are carried out using 1.36 μM, 1.66 μM, 2.1 μM, 3.0 μM, 5.0 μM, or 15 μM substrate in the presence of five concentrations of Atazanavir (1.25 nM to 25 nM). Substrate cleavage is monitored at 5-min intervals for 30 min. Cleavage rates are then determined for each sample at early time points in the reaction, and Ki values are determined from the slopes of the resulting Michaelis-Menten plots.
Cell Research:[1]
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  • Cell lines: RF/MT-2 strains
  • Concentrations: 15 nM
  • Incubation Time: 6 days
  • Method: To determine cytotoxicity, host cells are incubated in the presence of serially diluted Atazanavir for 6 days and cell viability is quantitated using an XTT[2,3-bis(2-methoxy-4-nitro-5-sulfophenyl-2H-tetrazolium-5-carboxanilide] assay to calculate the 50% cytotoxic concentrations (CC50s). To assess the effect of human serum proteins on antiviral activity, the 10% fetal calf serum normally used for assays is replaced with 40% adult human serum or 1 mg of α1-acid glycoprotein/mL.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 104 mg/mL (129.52 mM)
Water Insoluble
Ethanol Insoluble
In vivo Add solvents to the product individually and in order(Data is from Selleck tests instead of citations):
30% PEG400+0.5% Tween80+5% propylene glycol
For best results, use promptly after mixing.
30 mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 802.93


CAS No. 229975-97-7
Storage powder
in solvent
Synonyms N/A
Smiles CC(C)(C)C(C(=O)NC(CC1=CC=CC=C1)C(CN(CC2=CC=C(C=C2)C3=CC=CC=N3)NC(=O)C(C(C)(C)C)NC(=O)OC)O)NC(=O)OC.OS(=O)(=O)O

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID