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M8278

Margatoxin

Name: Margatoxin
Brand: SIGMA

Synonym(s):

MgTx

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About This Item

Empirical Formula (Hill Notation):

C₁₇₈H₂₈₆N₅₂O₅₀S₇

CAS Number:

145808-47-5

Molecular Weight:

4178.95

UNSPSC Code:

12352200

NACRES:

NA.32

MDL number:

MFCD00132225

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Properties

form

powder

Quality Level

200

storage temp.

−20°C

SMILES string

S1SCC2NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C3NC(=O)C(NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C8N(CCC8)C(=O)C9N(CCC9)C(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C%10N(CCC%10)C(=O)C(NC(=O)C(NC(=O)C(CSSC3)NC(=O)C(

InChI

1S/C178H286N52O50S7/c1-15-91(7)140(225-172(273)141(92(8)16-2)224-169(270)138(190)96(12)233)171(272)211-114(75-134(189)240)158(259)223-139(90(5)6)170(271)208-107(43-25-31-64-184)153(254)221-125-87-287-283-83-121-161(262)206-111(58-69-281-14)157(258)210-113(74-133(188)239)147(248)194-78-136(242)199-102(38-20-26-59-179)149(250)217-120-82-282-284-84-122(220-156(257)110(54-57-132(187)238)205-150(251)106(42-24-30-63-183)207-166(267)126-44-33-66-228(126)176(277)119(81-232)216-173(274)142(97(13)234)226-165(125)266)163(264)212-115(70-89(3)4)174(275)230-68-35-47-129(230)177(278)229-67-34-46-128(229)168(269)222-124(86-286-285-85-123(219-152(253)105(204-160(120)261)41-23-29-62-182)164(265)213-116(72-99-48-50-101(235)51-49-99)175(276)227-65-32-45-127(227)167(268)214-117(178(279)280)73-100-76-191-88-195-100)162(263)203-103(39-21-27-60-180)148(249)198-95(11)145(246)202-109(53-56-131(186)237)155(256)209-112(71-98-36-18-17-19-37-98)146(247)193-79-137(243)200-108(52-55-130(185)236)154(255)215-118(80-231)159(260)197-93(9)143(244)192-77-135(241)196-94(10)144(245)201-104(151(252)218-121)40-22-28-61-181/h17-19,36-37,48-51,76,88-97,102-129,138-142,231-235H,15-16,20-35,38-47,52-75,77-87,179-184,190H2,1-14H3,(H2,185,236)(H2,186,237)(H2,187,238)(H2,188,239)(H2,189,240)(H,191,195)(H,192,244)(H,193,247)(H,194,248)(H,196,241)(H,197,260)(H,198,249)(H,199,242)(H,200,243)(H,201,245)(H,202,246)(H,203,263)(H,204,261)(H,205,251)(H,206,262)(H,207,267)(H,208,271)(H,209,256)(H,210,258)(H,211,272)(H,212,264)(H,213,265)(H,214,268)(H,215,255)(H,216,274)(H,217,250)(H,218,252)(H,219,253)(H,220,257)(H,221,254)(H,222,269)(H,223,259)(H,224,270)(H,225,273)(H,226,266)(H,279,280)

InChI key

OVJBOPBBHWOWJI-UHFFFAOYSA-N

Gene Information

human ... CACNA1D(776)
mouse ... CACNA1D(12289)
rat ... CACNA1D(29716)

Description

Biochem/physiol Actions

Margatoxin is an α-KTx toxin, which is majorly used in ion channel research. It is a 39-amino acid peptide, which is a specific K(V)1.3 channel voltage-dependent K⁺channel blocker. Margatoxin is an immunosuppressant that is isolated from the venom of the scorpion Centruroides margaritatus.

Other Notes

Toxin in Centruroides margaritatus (scorpion)

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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The effects of Kv1.3 and IKCa1 potassium channel inhibition on calcium influx of human peripheral T lymphocytes in rheumatoid arthritis.

Gergely Toldi et al.

Immunobiology, 218(3), 311-316 (2012-06-19)

The transient increase of the cytoplasmic free calcium level plays a key role in the process of lymphocyte activation. Kv1.3 and IKCa1 potassium channels are important regulators of the maintenance of calcium influx during lymphocyte activation and present a possible

Recombinant expression of margatoxin and agitoxin-2 in Pichia pastoris: an efficient method for production of KV1.3 channel blockers.

Raveendra Anangi et al.

PloS one, 7(12), e52965-e52965 (2013-01-10)

The K(v)1.3 voltage-gated potassium channel regulates membrane potential and calcium signaling in human effector memory T cells that are key mediators of autoimmune diseases such as multiple sclerosis, type 1 diabetes, and rheumatoid arthritis. Thus, subtype-specific K(v)1.3 blockers have potential

Targeting K(V) channels rescues retinal ganglion cells in vivo directly and by reducing inflammation.

Paulo D Koeberle et al.

Channels (Austin, Tex.), 4(5), 337-346 (2010-08-12)

Retinal ganglion cell (RGC) degeneration is an important cause of visual impairment, and results in part from microglia-mediated inflammation. Numerous experimental studies have focused on identifying drug targets to rescue these neurons. We recently showed that K(V)1.1 and K(V)1.3 channels

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Global Trade Item Number

SKU	GTIN
M8278-.1MG	04061833421307