fluorogenic

4-Methylumbelliferyl-β-D-Glucopyranoside (4-MU-GLU) 是β-glucosidase 的荧光底物，可用于β-glucosidase 活性的测定，期间释放出高荧光的 4-methylumbelliferyl (4-MU)，发射波长为 445-454 nm。4-MU 激发波长值与 pH 值有关，在 pH 值为 4.6、7.4 和 10.4 时分别为 330、370 和 385 nm。

Maleimide (2,5-Pyrroledione) 可用于制备荧光探针，主要用于硫醇分析物的特异性检测。它也可用于制备用于癌症研究的抗体-药物偶联物 (ADC)。

Enteropeptidase fluorogenic substrate is a substrate for enteropeptidase that contains a 7-amino-4-trifluoromethylcoumarin (AFC) moiety. Enteropeptidase is a serine protease expressed in the proximal small intestine of higher animals that converts inactive trypsinogen to active trypsin by endoproteolytic cleavage.1,2Enteropeptidase recognizes the highly specific amino acid sequence DDDDK on the fluorogenic substrate and cleaves after the lysine residue, releasing the AFC moiety. Enteropeptidase activity is quantified by fluorescent detection of AFC, which displays excitation/emission spectra of 380/500 nm.3

The renin fluorogenic substrate consists of the normal peptide substrate for renin which has been linked to the fluorophore EDANS at one end and to a non-fluorescent quenching molecule (Dabcyl) at the other. After cleavage by renin, the product (peptide-EDANS) is brightly fluorescent and can be easily analyzed using an excitation wavelength of 340 nm and emission wavelengths of 485-510 nm.

Enteropeptidase fluorogenic substrate is a substrate for enteropeptidase that contains a 7-amino-4-trifluoromethylcoumarin (AFC) moiety. Enteropeptidase is a serine protease expressed in the proximal small intestine of higher animals that converts inactive trypsinogen to active trypsin by endoproteolytic cleavage. Enteropeptidase recognizes the highly specific amino acid sequence DDDDK on the fluorogenic substrate and cleaves after the lysine residue, releasing the AFC moiety. Enteropeptidase activity is quantified by fluorescent detection of AFC, which displays excitation emission spectra of 380 500 nm.

4-Methylumbelliferyl-α-D-Galactopyranoside (4MU-α-Gal) (4-MU-α-Gal)是α-半乳糖苷酶的荧光底物。除了用于表征新的α-半乳糖苷酶外，4-MU-α-Gal 还用于评估与法布里病相关的α-半乳糖糖苷酶活性的缺乏。

2'-Fluorothymidine(2'-Deoxy-2'-fluoro-5-Methyluridine) 属于胸腺嘧啶 (TdR) 和甲基尿苷的同工酶，是具有高度选择性的 2 型胸苷激酶 (TK2) 的底物。

BOP-JF549 is a fluorescent dual α9β1 α4β1 integrin inhibitor. Comprises BOP conjugated to Janelia Fluor® 549. Fluorogenic: fluoresces only once bound to integrins, enabling hassle-free no-wash experiments. Bright and photostable, enabling live cell tracking of integrin receptors over long time-course experiments. Excitation maximum = 549 nm; emission maximum = 571 nm.

Dnp-PLGMWSR is a fluorogenic substrate for matrix metalloproteinase-2 (MMP-2) and MMP-9. The activity of MMP-2 and MMP-9 can be quantified by measuring tryptophan fluorescence that is unquenched upon peptide hydrolysis that removes the N-terminal dinitrophenol (Dnp) group.

4-Methylumbelliferyl caprylate (MUCAP) is a fluorogenic substrate for C8 esterase. MUCAP is cleaved by C8 esterase to release the fluorescent moiety 4-methylumbelliferyl (4-MU). 4-MU fluorescence is pH-dependent with excitation maxima of 320 and 360 nm at low (1.97-6.72) and high (7.12-10.3) pH, respectively, and an emission maximum ranging from 445 to 455 nm, increasing as pH decreases.

Dnp-PLALWAR is a fluorogenic substrate for matrix metalloproteinase-1 (MMP-1) and MMP-8. The activity of MMP-1 and MMP-8 can be quantified by measuring tryptophan fluorescence that is unquenched upon peptide hydrolysis that removes the N-terminal dinitrophenol (Dnp) group.

Boc-Leu-Gly-Arg-AMC is a fluorogenic [AMC] substrate employed in enzymatic assays to study convertases.

7-Lysylalanyl-4-methylcoumarinamide is a Fluorogenic substrate for dipeptidyl aminopeptidase.

Ac-Leu-Arg-AMC (Acetyl-Leucyl-Arginyl-7-amido-4-methylcoumarin) is a fluorogenic peptide substrate.

TNO211为具备生物活性的肽，主要研究对象是基质金属蛋白酶（MMP），一类能够降解多种细胞外基质蛋白并调控诸多生物活性分子的肽链内切酶家族。MMP在细胞表面受体裂解、凋亡配体释放及趋化因子 细胞因子失活等过程中起作用，同时与细胞增殖、迁移（粘附 分散）、分化、血管生成、细胞凋亡及宿主防御等生物行为密切相关。TNO211可靶向MMP-2、8、12、13和14，包含MMP特定可裂解的Gly-Leu键，并具有EDANS DABCYL荧光标记，其荧光检测在监测内皮细胞培养基和患者滑液中的MMP活性方面表现出高灵敏度。吸光度 电磁场测量参数为340 490 nm。

WH-15 是一种荧光 PLC 报告基因，对 PLC-γ1、PLC-δ1、PLC-β2 的 Km 值分别为 49、30、86.1 μM。WH-15 可在级联反应中裂解，生成荧光 6-氨基喹啉。WH-15 可用于响应活细胞中的 PLC 成像。

Ac-WEHD-AFC TFA，作为一种荧光caspase-1底物，主要用于检测caspase-1的荧光活性，广泛应用于肿瘤和炎症的研究领域。

Dabcyl-KTSAVLQSGFRKME-Edans TFA 是一种用于测量蛋白酶酶促活性的荧光肽，具有研究2019-nCoV (COVID-19) 感染潜力的特性。该化合物作为底物，用于相关蛋白酶活性的测定。

HIV ProteaseSubstrate 1 TFA 是一种外源性 HIV 蛋白酶底物，可用于研究 HIV 蛋白酶的酶活性。

CrBKA 是SIRT6的弱活性荧光小分子底物。

4-Methylumbelliferyl β-D-N,N'-diacetylchitobioside (4-μU-(GlcNAc)2) is a fluorogenic substrate for chitinases and chitobiosidases. 4-μU-(GlcNAc)2 is cleaved by chitinases and chitobiosidases to release the fluorescent moiety 4-μU. 4-μU fluorescence is pH-dependent with excitation maxima of 320 and 360 nm at low (1.97-6.72) and high pH (7.12-10.3), respectively, and an emission maximum ranging from 445 to 455 nm, increasing as pH decreases.

Z-LLE-AMC acetate(348086-66-8 Free base) 是 26S 蛋白酶体或 20S 蛋白水解核心的半胱天冬酶样谷氨酸后肽水解酶的荧光底物。 Z-LLE-AMC acetate 通常用于实验处理后的细胞裂解液中。

BOP-JF646 is a fluorescent dual α9β1/α4β1 integrin inhibitor. Comprises BOP conjugated to Janelia Fluor®646. Fluorogenic: fluoresces only once bound to integrins, enabling hassle-free no-wash experiments. Bright and photostable, enabling live cell tracking of integrin receptors over long time-course experiments. Excitation maximum = 655 nm; emission maximum = 672 nm.

Suc-YVAD-AMC is a fluorogenic substrate for caspase-1. Upon enzymatic cleavage by caspase-1, 7-amino-4-methylcoumarin (AMC) is released and its fluorescence can be used to quantify caspase-1 activity. AMC displays excitation/emission maxima of 340-360/440-460 nm, respectively.