Proteins Analysis

Bis-ANS dipotassium is a fluorescent probe of hydrophobic protein. Bis-ANS binds to tubulin with a K_d of 2 μM. Bis-ANS dipotassium is a potent biphasic modulator of protein liquid-liquid phase separation (LLPS). Bis-ANS dipotassium promotes LLPS at low concentrations but suppresses LLPS at high concentrations.

GSHtracer is a ratiometric probe for measuring of GSH levels. GSHtracer exhibits Ex/Em from 520/580 nm to 430/510 nm (upon GSH binding) .

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 (Ex/Em = 488/515 nm).

Halo tag TMR (solution) is a red fluorescent dye composed of Halo tag ligand molecules and TMR (TAMRA). Halo tag can quickly and stably covalently bind to Halo protein with high specificity and affinity (Ex/Em = 550/576 nm).
Solvent and concentration: DMSO: 5 mM

DiAzKs (H-L-Photo-lysine) hydrochloride is a diazirine-containing lysine amino acid and is a photo-cross-linker. DiAzKs hydrochloride can site-selective incorporated into proteins and is used to crosslink protein-protein interactions in vitro and in living cells. DiAzKs hydrochloride acts as a UV light-activated photo-crosslinking probe.

Cyanine 5 NHS ester tetrafluoroborate (Compound Cy5) is a cyanine dye that is used to in fluorescence detection of macromolecules. Cyanine 5 NHS ester tetrafluoroborate exhibits an excitation wavelength of 638 nm.

F8 is a small molecule GPR84 fluorescent probe that can visualize and detect GPR84 protein levels at the cellular and tissue levels.

DFHBI-2T is a membrane-permeable, RNA aptamer-activated fluorescent probe (Ex/Em=500 nm/523 nm), with a K_d value of 1300 nM for the RNA aptamer Spinach2. DFHBI-2T binds to Spinach2, converting the fluorophore to a fluorescent state, stabilizing its planar structure to facilitate the radiative fluorescence decay pathway, and forming a complex with red-shifted excitation and emission peaks. DFHBI-2T can be used for RNA imaging in live cells. It is also applicable to research related to fragile X-associated tremor/ataxia syndrome.

K114, a fluorescent Congo Red analogue, binds tightly to amyloid fibrils with an EC₅₀ of 20-30 nM. K114 is an efficient detector of semen-derived enhancer of virus infection (SEVI).

BSPOTPE is the mixture of (E)-BSPOTPE (HY-W856375) and (Z)-BSPOTPE. BSPOTPE binds Human serum albumin (HSA) (HY-P1956), exhibits aggregation-induced emission (AIE) phenomenon. BSPOTPE shows selectivity for albumin (such as HSA and BSA), but has no obvious fluorescence response to other proteins and DNA. BSPOTPE can be used as fluorescent probe for HSA.

DC271 is a RAR agonist and synthetic retinoid that binds to the retinoid-binding site of cellular retinoic acid-binding protein II (CRBP-II). DC271 exhibits solvatochromic fluorescence properties: it produces intense blue-shifted emission in nonpolar environments and weak red-shifted emission in polar environments, and its severe fluorescence quenching in aqueous solutions can be reversed by embedding in the hydrophobic retinoid-binding protein pocket. DC271 enables direct detection of the binding between unlabeled compounds and related retinoid-binding proteins via fluorescence competition assays (Ex/Em = 355 nm/460 nm).

Trx-red (NBL-SS perchlorate) is a red-emitting fluorescent probe derivatized from the nile blue fluorophore. Trx-red is used for selectively imaging thioredoxin (Trx) in live cells and in vivo (λex=615 nm, λem=661 nm).

TPE-PY is a fluorescent dye targeting mitochondria, which has cationic and lipophilic characteristics, enabling specific targeting of mitochondria. TPE-PY functions through the aggregation-induced emission (AIE) mechanism. TPE-PY mechanism of action is based on the restriction of intramolecular rotation (RIR), which enhances fluorescence in the aggregated state. TPE-PY is mainly used in the field of biological imaging, especially for the specific staining of mitochondria in living cells, facilitating the observation of the location, morphology, and quantity of mitochondria.

BG-JF585 is Benzylguanine-conjugated JF585 (HY-131025). Benzylguanine is the substrate for SNAP tags. JF585 is a fluorophore (λabs: 593 nm; λem: 611 nm).

SNAP-Block is a membrane-permeable SNAP blocker. SNAP-Block blocks SNAP-tag.

SNAP-549 is a DY-549P1-labeled SNAP tag fluorescent probe, specifically designed for single-molecule imaging and dynamic tracking of proteins in living cells. SNAP-549 only labels SNAP-tag fusion proteins, with low background signals and forming irreversible connections, making it suitable for long-term observation.

ZL-12A probe is a "stereoprobe "that can promote the degradation of TFIIH helicase ERCC3. ZL-12A degrades ERCC3 by covalently modifying C342.

Beryllon II is a widely used chromogenic reagent that is used to determine many elements, such as Mo, Mg and Co, and also used for the determination of proteins.

Naloxone fluorescein acetate is a fluorescently labeled naloxone probe used for detecting Opioid Receptor expression. Naloxone fluorescein acetate generates fluorescent signals via flow cytometry, enabling indirect evaluation of classical opioid receptor expression. Naloxone fluorescein acetate is applicable to studies related to opioid receptor expression in canine tumor cells.

SNAP-Biotin is a cell-permeable SNAP-tag-targeted labeling reagent. SNAP-Biotin undergoes an irreversible covalent reaction with SNAP-tag to transfer biotin to the tag. SNAP-Biotin enables the detection of SNAP-tag fusion proteins via a streptavidin-HRP immunoblotting system and achieves biotinylation of SNAP-tag fusion proteins. SNAP-Biotin is applicable to triple-negative breast cancer-related research.