low molecular weight

PEG300 (Polyethylene glycol 300) 是一种由乙二醇重复单元形成的聚合物，具有水溶性、低免疫原性和生物相容性。PEG300 是一种分子量为300的中性聚合物。

ART558 是一种 DNA 聚合酶 Polθ 的抑制剂 (IC50=7.9 nM)，具有高效性、选择性和非竞争性。ART558 抑制主要的 Polθ 介导的 DNA 修复过程，即 Theta 介导的末端连接，而不靶向非同源末端连接。ART558 可以用于肿瘤研究。

(Rac)-RK-682 是 RK-682 的外消旋体。(Rac)-RK-682 是一种蛋白质酪氨酸磷酸酶 (PTPases) 抑制剂。(Rac)-RK-682 抑制蛋白酪氨酸磷酸酶 1B (PTP-1B)、低分子量蛋白酪氨酸磷酸酶 (LMW-PTP)、细胞分裂周期 25B (CDC-25B)，IC50分别为 8.6 μM、12.4 μM 和 0.7 μM。

6-Thioguanosine (6-Mercaptoguanosine) 是一种活性核苷，是 Azathioprine 的代谢物，是低分子量凝胶剂。6-Thioguanosine 具有免疫抑制作用，可用于研究RNA 双螺旋结构的形成。

Fosfomycin sodium 是一种能透过血脑屏障的广谱抗生素，不可逆地抑制细胞壁合成的早期阶段。它对多种细菌具有杀菌活性，包括耐多药、广泛耐药和耐全药的细菌。

5'-N-Ethylcarboxamidoadenosine (NECA) 是腺苷受体的激动剂，可增加荧光素和低分子量葡聚糖的脑外渗，与血脑屏障调节无关。

Ciraparantag is an inhibitor of thrombin and factor Xa. Ciraparantag is a broad-spectrum reversal agent for anticoagulants, including unfractionated heparin, low-molecular-weight heparin, and certain direct oral anticoagulants.

Ciraparantag TFA is an inhibitor of thrombin and factor Xa. Ciraparantag is a broad-spectrum reversal agent for anticoagulants, including unfractionated heparin, low-molecular-weight heparin, and certain direct oral anticoagulants.

Ciraparantag acetate 是一种抗凝逆转剂，是一种小分子，专门设计用于通过电荷-电荷相互作用与普通肝素和低分子量肝素非共价结合。它显示出与直接口服抗凝剂 (DOAC) 相似的结合特性。

IFN alpha-IFNAR-IN-1 is a nonpeptidic, low-molecular-weight inhibitor of the interaction between IFN-α and IFNAR. It inhibits MVA-induced IFN-α responses by BM-pDCs (IC50: 2-8 μM).

OT-R antagonist 2 is a nonpeptide low molecular weight antagonist of OT-R .

OT-R antagonist 1 inhibits oxytocin-evoked intracellular Ca2+ mobilization (IC50 = 8 nM). OT-R antagonist 1 is a new effective and selective nonpeptide low molecular weight OT-R antagonist.

PEG400 (Polyethylene glycol 400) 是一种由乙二醇重复单元形成的聚合物，具有水溶性、低免疫原性和生物相容性。PEG400 是一种分子量为400的中性聚合物。

VARACIN是一种低分子量的抗癌化合物，在存在硫醇时可高效促进DNA断裂。其通过复杂的氧化还原反应在细胞内增强治疗效能。

Gly2-EDA-PNU 是用于 ADC 合成的低聚甘氨酸毒素分子偶联物，由 DNA 拓扑异构酶 I 抑制剂 PNU-159682 和 Gly2-EDA 连接子组成。

AF 12198 Acetate 是一种新型的低分子量 IL-1 拮抗剂。

Enoxaparin sodium 是一种低分子量肝素 (LMWH)，已获得美国 FDA 批准，可用于医疗管理的 ST 段心肌梗死 (STEMI) 或 STEMI 及随后的经皮冠状动脉介入治疗 (PCI) 患者。它与抗凝血酶结合并增强其作用，并抑制凝血因子 XIa、IXa、Xa 和 IIa（凝血酶），从而防止血栓形成。

DCFBC is a low-molecular-weight radiotracer. It targets prostate-specific membrane antigen (PSMA).

DCFBC F-18 is a radioconjugate containing a low molecular weight tracer, DCFBC, specific for prostate-specific membrane antigen (PSMA) and labeled with the positron-emitting isotope F 18 with potential prostate tumor imaging upon positron emission tomogra

MDK-4823, also known as LMPTP inhibitor1, is a potent low-molecular-weight tyrosine phosphatase (LMPTP) inhibitor. LMPTP is highly expressed in insulin-target tissues. LMPTP promotes diabetes and insulin resistance in obesity.

Surfen dihydrochloride (Aminoquinuride dihydrochloride) 是一种有效的硫酸肝素小分子拮抗剂，具有抗菌和抗病毒活性，抑制炭疽致死因子、凝血因子 X 和致死因子。Surfen dihydrochloride 可抑制普通肝素和低分子量肝素的抗凝活性，抑制肝素的硫酸化和肝素裂解酶的降解。Surfen dihydrochloridn 抑制阻断硫酸乙酰肝素介导的 FGF2 结合和信号转导。Surfen 抑制 SEVI 和精液介导的 HIV 1 型感染增强。

Forfenimex is a newly discovered low molecular weight immunomodulator.

5-methoxyflavone (5-methoxy-2-phenylchromen-4-one) 是一种类黄酮，是DNA 聚合酶 β 的抑制剂和 β-淀粉样蛋白毒性的神经保护剂。它通过调控嗜离子 GABAA 受体，起到镇静中枢神经系统的作用。

Gliovirin is a fungal metabolite that has been found inT. harzianumand has fungicidal, antimicrobial and anti-inflammatory activities.1It is active against the plant pathogenic fungusP. ultimum(MIC = 60 ng/ml) and the parasiteT. brucei brucei(IC50= 90 ng/ml), but has no effect on the plant pathogenic fungiR. solani,P. omnivorum,T. basicola,R. arrhizus, andV. dahliaeor the bacteriaB. thuringiensis,P. fluorescens, andX. malvacearumwhen used at concentrations up to 1,000 ng/ml.2,3Gliovirin decreases phorbol 12-myristate 13-acetate (TPA)- and ionomycin-induced increased expression of COX-2 (IC50= 1 μM) and protein levels of IL-2 in Jurkat cells (IC50= 5.2 μM).1 1.Rether, J., Serwe, A., Anke, T., et al.Inhibition of inducible tumor necrosis factor-α expression by the fungal epipolythiodiketopiperazine gliovirinBiol. Chem.388(6)627-637(2007) 2.Howell, C.R., and Stipanovic, R.D.Gliovirin, a new antibiotic from Gliocladium virens, and its role in the biological control of Pythium ultimumCan. J. Microbiol.29(3)321-324(1983) 3.Iwatsuki, M., Otoguro, K., Ishiyama, A., et al.In vitro antitrypanosomal activity of 12 low-molecular-weight antibiotics and observations of structure/activity relationshipsJ. Antibiot. (Tokyo)63(10)619-622(2010)