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Merck
CN
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安全信息

M8278

Sigma-Aldrich

Margatoxin

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别名:
MgTx
经验公式（希尔记法）:
C178H286N52O50S7
CAS号:
145808-47-5
分子量:
4178.95
MDL编号:
MFCD00132225
UNSPSC代码:
12352200
NACRES:
NA.32

形式

powder

质量水平

200

储存温度

−20°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

基因信息

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

相关类别

Amino Acid Sequence

Thr-Ile-Ile-Asn-Val-Lys-Cys-Thr-Ser-Pro-Lys-Gln-Cys-Leu-Pro-Pro-Cys-Lys-Ala-Gln-Phe-Gly-Gln-Ser-Ala-Gly-Ala-Lys-Cys-Met-Asn-Gly-Lys-Cys-Lys-Cys-Tyr-Pro-His [Disulfide Bridges: 7-29; 13-34; 17-36]

生化/生理作用

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.

其他说明

Toxin in Centruroides margaritatus (scorpion)

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

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Aleksandra Novakovic et al.
Basic & clinical pharmacology & toxicology, 111(1), 24-30 (2012-01-10)
The ATP-sensitive K(+) channels opener (K(ATP)CO), P1075 [N-cyano-N'-(1,1-dimethylpropyl)-N″-3-pyridylguanidine], has been shown to cause relaxation of various isolated animal and human blood vessels by opening of vascular smooth muscle ATP-sensitive K(+) (K(ATP)) channels. In addition to the well-known effect on the
I Kazama et al.
The journal of physiological sciences : JPS, 62(3), 267-274 (2012-02-14)
Lymphocytes are of rich in delayed rectifier K(+)-channels (Kv1.3) in their plasma membranes, and the channels play crucial roles in the lymphocyte activation and proliferation. Since chloroquine, a widely used anti-malarial drug, exerts immunosuppressive effects, it will affect the channel
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
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
Anna-Lena Unterweger et al.
Journal of Crohn's & colitis, 15(11), 1943-1958 (2021-04-24)
The potassium channel Kv1.3 is a potentially attractive therapeutic target in T cell-mediated inflammatory diseases, as the activity of antigen-activated T cells is selectively impeded by Kv1.3 inhibition. In this study, we examined Kv1.3 as a potential therapeutic intervention point
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