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Smartox/Selective blocker of insects calcium channels/ITO001-00100/0.1mg
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产品说明
ω-Tbo-IT1 has been isolated from the venom of the Tibellus oblongus spider. ω-Tbo-IT1 is a selective blocker of insects calcium channels. It has been shown that ω-Tbo-IT1 has a potent insect toxicity with LD50 19 μg/g on house fly Musca domestica larvae and LD50 20 μg/g on juvenile Gromphadorhina portentosa cockroaches. Electrophysiological experiments revealed a reversible inhibition of evoked excitatory postsynaptic currents in blow fly Calliphora vicina neuromuscular junctions with an IC50 value 40 ± 10 nM.
Description:
Product code: ITO001.
Category: High voltage-gated Ca2+ channels.
AA sequence: CASKNERCGNALYGTKGPGCCNGKCICRTVPRKGVNSCRCM-NH2
Disulfide bridges: C1-C21; C8-C25; C20-C40
Length (aa): 41
Formula: C171H285N61O53S9
Molecular weight: 4331,74 g/mol
Appearance: White lyophilized solid
Solubility: water and saline buffer
CAS number:
Source: Synthetic
Purity rate: > 95 %
Reference:ω-Tbo-IT1–New Inhibitor of Insect Calcium Channels Isolated from Spider Venom Mikov A., et al. (2015) ω-Tbo-IT1–New Inhibitor of Insect Calcium Channels Isolated from Spider Venom. Sci Rep.
Novel disulfide-containing polypeptide toxin was discovered in the venom of the Tibellus oblongus spider. We report on isolation, spatial structure determination and electrophysiological characterization of this 41-residue toxin, called ω-Tbo-IT1. It has an insect-toxic effect with LD50 19 μg/g in experiments on house fly Musca domestica larvae and with LD50 20 μg/g on juvenile.
PMC: 4661699
Smartox Biotechnology 是全球唯一一家专门生产动物毒液多肽毒素，用于细胞离子通道功能研究的生物医药公司。多肽毒素在生物制药领域具有重要的使用价值。Smartox Biotechnology 于 2009 年由来自 Grenoble 神经科学研究所 (Grenoble Institute of Neuroscience) 的 Michel de waard 博士创立, Smartox Biotechnology 专门研究动物毒液，制作合成多种毒液中的多肽成分（常称为毒素）。 De Waard 博士研究离子通道与毒素多肽的关系，尤其是鉴定、开发毒素多肽作为治疗性分子或细胞穿透肽 (cell penetrating peptides, CPP) 。其研究团队在毒液分离，药理性活性肽鉴定、富半胱氨酸肽定性、制作和优化等方面具有独特、丰富的经验。 2010 年， Smartox Biotechnolgy 被法国研究部 (Ministry of Research) 授予“新兴企业 OSEO 奖 (OSEO prize for emerging businesses) ”。
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