jack bean

Concanavalin A 属于天然产物，是一种植物凝集素 (糖类结合蛋白)。Concanavalin A 具有抗肿瘤活性，还可诱导急性肝损伤。

Plantagoside 是α-mannosidase 的非竞争性特异性抑制剂(IC50:5 μM)，分离自Plantago asiatica 种子中。

3,3'-((2-Chlorophenyl)methylene)bis(4-hydroxy-2H-chromen-2-one) is a non-nucleotide inhibitor of ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1; Ki = 50 μM).1,2 It also inhibits urease (IC50 = 84.53 μM for the Jack bean enzyme).3 |1. Choudhary, M.I., Fatima, N., Khan, K.M., et al. New biscoumarin derivatives-cytotoxicity and enzyme inhibitory activities. Bioorg. Med. Chem. 14(23), 8066-8072 (2006).|2. Onyedibe, K.I., Wang, M., and Sintim, H.O. ENPP1, an old enzyme with new functions, and small molecule inhibitors - A STING in the tale of ENPP1. Molecules 24(22), E4192 (2019).|3. Khan, K.M., Iqbal, S., Lodhi, M.A., et al. Biscoumarin: New class of urease inhibitors; economical synthesis and activity. Bioorg. Med. Chem. 12(8), 1963-1968 (2004).

CAY10761 is an inhibitor of ectonucleotide pyrophosphatase phosphodiesterase 1 (ENPP1; IC50s = 467 and 429 μM for the human and snake venom enzymes, respectively).1,2 It also inhibits mushroom tyrosinase (Ki = 1.9 μM) and urease from jack bean, P. mirabilis, and B. pasteurii (IC50s = 0.093, <0.125, and 0.089 mM, respectively, at pH 8.2).3,4 |1. Khan, K.M., Fatima, N., Rasheed, M., et al. 1,3,4-Oxadiazole-2(3H)-thione and its analogues: A new class of non-competitive nucleotide pyrophosphatases phosphodiesterases 1 inhibitors. Bioorg. Med. Chem. 17(22), 7816-7822 (2009).|2. Onyedibe, K.I., Wang, M., and Sintim, H.O. ENPP1, an old enzyme with new functions, and small molecule inhibitors - A STING in the tale of ENPP1. Molecules 24(22), E4192 (2019).|3. Ghani, U., and Ullah, N. New potent inhibitors of tyrosinase: Novel clues to binding of 1,3,4-thiadiazole-2(3H)-thiones, 1,3,4-oxadiazole-2(3H)-thiones, 4-amino-1,2,4-triazole-5(4H)-thiones, and substituted hydrazides to the dicopper active site. Bioorg. Med. Chem. 18(11), 4042-4048 (2010).|4. Amtul, Z., Rasheed, M., Choudhary, M.I., et al. Kinetics of novel competitive inhibitors of urease enzymes by a focused library of oxadiazoles thiadiazoles and triazoles. Biochem. Biophys. Res. Commun. 319(3), 1053-1063 (2004).

Urease-IN-2 是一种脲酶 (urease) 非竞争性的抑制剂 (IC50: 0.94 μM，Ki: 1.6 μM)，能够非竞争性的抑制 Jack bean 豆脲酶 (JBU)。

Urease-IN-10 (Conjugate 4) 作为一种缀合物，由Diclofenac和Sulfanilamide构成，典型地展现出竞争性抑制作用，专门针对Jack bean urease (JBU)。其IC50值为3.59±0.07 μM，而Ki值达到7.45 μM。这种化合物有效地阻断了Urease的活性。

Antibacterialagent 233(Compound 7c)在多方面展示了显著的抗菌和抗肿瘤特性.首先,该化合物对Helicobacter pylori有明显的抑制效果,其MIC值介于0.4-1.6 μg mL.此外,Antibacterialagent 233能有效抑制刀豆脲酶(jack bean urease),IC50值为0.27 μg mL,并能改变H. pylori的细胞膜通透性,导致细胞内容物的渗漏.在体外环境中,该化合物在全血和人工胃液中显示出良好的代谢稳定性.在生物医学研究中,Antibacterialagent 233还在小鼠体内展现对U2OS肿瘤细胞的抑制活性.

Concanavalin A (agarose) 由Concanavalin A 与琼脂糖偶联而成。Concanavalin A 是一种从刀豆 (Canavalia ensiformis) 中提取的四聚体金属蛋白凝集素。Concanavalin A (agarose) 能结合含有 α-D-吡喃甘露糖基、α-D-吡喃葡萄糖基及其空间相关残基的分子，用于纯化糖蛋白、多糖和糖脂。此外，Concanavalin A (agarose) 还用于酶抗体缀合物的纯化、IgM 的纯化与膜囊泡的分离等领域。