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SML1524

Sigma-Aldrich

(+)-JQ1

≥98% (HPLC)

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Synonym(s):
(S)-(+)-tert-Butyl 2-(4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate, 6H-Thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetic acid, 4-(4-chlorophenyl)-2,3,9-trimethyl-, 1,1-dimethylethyl ester, (6S)-
Empirical Formula (Hill Notation):
C23H25ClN4O2S
CAS Number:
Molecular Weight:
456.99
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 20 mg/mL, clear

storage temp.

2-8°C

SMILES string

O=C(OC(C)(C)C)C[C@H]1C2=NN=C(C)N2C(SC(C)=C3C)=C3C(C4=CC=C(Cl)C=C4)=N1

InChI

1S/C23H25ClN4O2S/c1-12-13(2)31-22-19(12)20(15-7-9-16(24)10-8-15)25-17(11-18(29)30-23(4,5)6)21-27-26-14(3)28(21)22/h7-10,17H,11H2,1-6H3/t17-/m0/s1

InChI key

DNVXATUJJDPFDM-KRWDZBQOSA-N

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This Item
SML1525SML0974SML2623
(+)-JQ1 ≥98% (HPLC)

Sigma-Aldrich

SML1524

(+)-JQ1

(-)-JQ1 ≥95% (HPLC)

Sigma-Aldrich

SML1525

(-)-JQ1

(+/-)-JQ1 ≥98% (HPLC)

Sigma-Aldrich

SML0974

(+/-)-JQ1

form

powder

form

powder

form

powder

form

powder

color

white to beige

color

white to beige

color

white to beige

color

white to beige

solubility

DMSO: 20 mg/mL, clear

solubility

DMSO: 20 mg/mL, clear

solubility

DMSO: 2 mg/mL, clear (warmed)

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

-

General description

JQ1 is a member of the triazolo-diazepine compound family, which functions as a pan-BET (bromodomain and extra-terminal motif) family inhibitor. JQ1 is known to suppress cell proliferation and therefore, can be used as a therapeutic drug for a number of cancers including multiple myeloma and acute myeloid leukemia.

Application

(+)-JQ1 has been used in flow cytometry assay, cell viability assay and quantitative PCR assay in order to investigate on the reversal of HIV-1 latency.

Biochem/physiol Actions

(+)-JQ1 is a high affinity, potent and selective inhibitor of BET bromodomain proteins, including BRD2, BRD3, BRD4 and BRDT. (+)-JQ1 (also known as SGCBD01), the active enantiomer of (+/-)-JQ1, inhibits Brd4 (bromodomain-containing 4), which forms complexes with chromatin via two tandem bromodomains (BD1 and BD2) that bind to acetylated lysine residues in histones and Brd4 association with acetylated chromatin is believed to regulate the recruitment of elongation factor b and additional transcription factors to specific promoter regions. The nuclear protein in testis (NUT) gene is known to form fusions with Brd4 that create a potent oncogene, leading to rare, but highly lethal tumors referred to as NUT midline carcinomas (NMC). (+)-JQ1 inhibits recruitment and binding of Brd4 to TNFa and E-selectin promoter elements, and accelerates recovery time in FRAP (fluorescence recovery after photobleaching) assays using GFP-Brd4. Thus (+)-JQ1 is a useful tool to study the role of Brd4 in transcriptional initiation.

For characterization details of (+)-JQ1, please visit the JQ-1 probe summary on the Structural Genomics Consortium (SGC) website.

(-)-JQ1 is the negative control for the active enantiomer, (+)-JQ1. (-)-JQ1 is available from Sigma. To learn more about and purchase (-)-JQ1, click here.

To learn about other SGC chemical probes for epigenetic targets, visit sigma.com/sgc

Features and Benefits

(+) JQ-1 is an epigenetic chemical probe available through a partnership with the Structural Genomics Consortium (SGC). To learn more and view other SGC epigenetic probes, visit sigma.com/SGC.
This compound is a featured product for Gene Regulation research. Click here to discover more featured Gene Regulation products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Other Notes

JQ1 has been expertly reviewed and recommended by the Chemical Probes Portal. For more information, please visit the JQ1 probe summary on the Chemical Probes Portal website.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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25G
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A novel bromodomain inhibitor reverses HIV-1 latency through specific binding with BRD4 to promote Tat and P-TEFb association.
Huang H, et al.
Frontiers in Microbiology, 8, 1035-1035 (2017)
Agnieszka Wojtczak
Cells, 9(6) (2020-06-04)
Bromodomain containing (BRD) proteins play an essential role in many cellular processes. The aim of this study was to estimate activity of bromodomains during alga Chara vulgaris spermatids differentiation. The effect of a bromodomain inhibitor, JQ1 (100 µM), on the
Hunter R Gibbons et al.
Scientific reports, 9(1), 10280-10280 (2019-07-18)
As a class, 'BET' inhibitors disrupt binding of bromodomain and extra-terminal motif (BET) proteins, BRD2, BRD3, BRD4 and BRDT, to acetylated histones preventing recruitment of RNA polymerase 2 to enhancers and promoters, especially super-enhancers, to inhibit gene transcription. As such
Hongzhen Li et al.
Scientific reports, 10(1), 21924-21924 (2020-12-16)
Olfactomedin 4 (OLFM4) is expressed in normal prostate epithelial cells and immortalized normal human prostate epithelial cells (RWPE1), but the identity of OLFM4-expressing cells within these populations and OLFM4's physiological functions in these cells have not been elucidated. Using single-cell
The BET bromodomain inhibitor JQ1 activates HIV latency through antagonizing Brd4 inhibition of Tat-transactivation.
Li Z, et al.
Nucleic Acids Research, 41(1), 277-287 (2012)

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