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C5238

Chlorotoxin from Leiurus quinquestriatus (north Africa)

Name: Chlorotoxin from <I>Leiurus quinquestriatus</I> (north Africa)
Brand: SIGMA

recombinant, expressed in E. coli, ≥98% (HPLC), lyophilized powder

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关于此项目

经验公式（希尔记法）:

C₁₅₈H₂₅₆N₅₂O₄₈S₁₁

化学文摘社编号:

163515-35-3

分子量:

4004.76

UNSPSC Code:

12352200

NACRES:

NA.77

MDL number:

MFCD00239920

Assay:

≥98% (HPLC)

Form:

lyophilized powder

Quality level:

100

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属性

recombinant

expressed in E. coli

Quality Level

100

assay

≥98% (HPLC)

form

lyophilized powder

solubility

aqueous buffer: soluble

storage temp.

−20°C

SMILES string

S1SC[C@@H]2NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)CNC(=O)CNC(=O)[C@H]3NC(=O)[C@H]4NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@

InChI

1S/C158H249N53O47S11/c1-77(2)55-96-138(241)205-105(144(247)186-86(125(165)228)28-18-47-173-156(166)167)70-264-262-68-103-131(234)177-63-115(217)176-64-116(218)183-87(25-12-15-44-159)128(231)178-65-117(219)184-88(29-19-48-174-157(168)169)129(232)179-66-118(220)185-89(26-13-16-45-160)133(236)202-107-72-267-269-75-110-149(252)195-98(56-81-23-10-9-11-24-81)143(246)208-124(80(5)213)154(257)209-123(79(4)212)153(256)199-102(61-122(226)227)141(244)196-99(58-83-62-172-76-181-83)139(242)189-92(37-39-113(163)215)136(239)190-94(42-53-260-7)132(235)182-78(3)126(229)187-91(30-20-49-175-158(170)171)134(237)188-90(27-14-17-46-161)135(238)203-108(73-266-265-71-106(146(249)193-96)204-137(240)93(38-40-114(164)216)191-151(254)111-31-21-50-210(111)119(221)67-180-130(233)97(194-147(107)250)57-82-33-35-84(214)36-34-82)148(251)198-100(59-120(222)223)140(243)197-101(60-121(224)225)142(245)206-109(150(253)201-103)74-268-263-69-104(200-127(230)85(162)41-52-259-6)145(248)192-95(43-54-261-8)155(258)211-51-22-32-112(211)152(255)207-110/h9-11,23-24,33-36,62,76-80,85-112,123-124,212-214H,12-22,25-32,37-61,63-75,159-162H2,1-8H3,(H2,163,215)(H2,164,216)(H2,165,228)(H,172,181)(H,176,217)(H,177,234)(H,178,231)(H,179,232)(H,180,233)(H,182,235)(H,183,218)(H,184,219)(H,185,220)(H,186,247)(H,187,229)(H,188,237)(H,189,242)(H,190,239)(H,191,254)(H,192,248)(H,193,249)(H,194,250)(H,195,252)(H,196,244)(H,197,243)(H,198,251)(H,199,256)(H,200,230)(H,201,253)(H,202,236)(H,203,238)(H,204,240)(H,205,241)(H,206,245)(H,207,255)(H,208,246)(H,209,257)(H,222,223)(H,224,225)(H,226,227)(H4,166,167,173)(H4,168,169,174)(H4,170,171,175)/t78-,79+,80+,85-,86-,87-,88-,89-,90-,91-,92-,93-,94-,95-,96-,97-,98-,99-,100-,101-,102-,103-,104-,105-,106-,107-,108-,109-,110-,111-,112-,123-,124-/m0/s1

InChI key

QPAKKWCQMHUHNI-GQIQPHNSSA-N

说明

Biochem/physiol Actions

Chlorotoxin (CLTX) is a peptide isolated from the venom of scorpion Leiurus quinquestriatus. It comprises three lysines at the N-terminal region and four disulfide bonds. It can traverse the blood-brain barrier and can associate specifically with cancer cells especially in neuroblastoma, glioma, and medulloblastoma. CLTX binds to chloride-gated channels (CLC30) and the matrix metalloproteinase-2 (MMP2) in glioma cells. It is exploited in the imaging probe preparations for aiding non-cancer and cancer cell differentiation.

Potent blocker of small-conductance Cl^-channels.

Features and Benefits

This compound is featured on the Chloride Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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Lysine to arginine mutagenesis of chlorotoxin enhances its cellular uptake.

Paola G Ojeda et al.

Biopolymers, 108(5) (2017-05-02)

Chlorotoxin (CTX), a disulfide-rich peptide from the scorpion Leiurus quinquestriatus, has several promising biopharmaceutical properties, including preferential affinity for certain cancer cells, high serum stability, and cell penetration. These properties underpin its potential for use as a drug design scaffold

Nox2 in regulatory T cells promotes angiotensin II-induced cardiovascular remodeling.

Amber Emmerson et al.

The Journal of clinical investigation, 128(7), 3088-3101 (2018-04-25)

The superoxide-generating enzyme Nox2 contributes to hypertension and cardiovascular remodeling triggered by activation of the renin-angiotensin system. Multiple Nox2-expressing cells are implicated in angiotensin II-induced (Ang II-induced) pathophysiology, but the importance of Nox2 in leukocyte subsets is poorly understood. Here

Functional role of Kv1.1 and Kv1.3 channels in the neoplastic progression steps of three cancer cell lines, elucidated by scorpion peptides.

Dorra Aissaoui et al.

International journal of biological macromolecules, 111, 1146-1155 (2018-02-09)

Voltage-gated potassium (Kv) channels are known to play a pivotal role in the progression of various cancer types and considered as new targets for designing anti-cancer therapy. However, the fact that many Kv channels are expressed in different cell lines

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全球贸易项目编号

货号	GTIN
C5238-40UG	04061832574165