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Świadectwo pochodzenia/Certyfikat analizy (COA)

M8278

Margatoxin

Name: Margatoxin
Brand: SIGMA

Synonim(y):

MgTx

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About This Item

Wzór empiryczny (zapis Hilla):

C₁₇₈H₂₈₆N₅₂O₅₀S₇

Numer CAS:

145808-47-5

Masa cząsteczkowa:

4178.95

Numer MDL:

MFCD00132225

Kod UNSPSC:

12352200

NACRES:

NA.32

Postać

powder

Poziom jakości

200

temp. przechowywania

−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)

Klucz InChI

OVJBOPBBHWOWJI-UHFFFAOYSA-N

informacje o genach

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

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]

Działania biochem./fizjol.

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.

Inne uwagi

Toxin in Centruroides margaritatus (scorpion)

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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certyfikaty analizy (CoA)

Poszukaj Certyfikaty analizy (CoA), wpisując numer partii/serii produktów. Numery serii i partii można znaleźć na etykiecie produktu po słowach „seria” lub „partia”.

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Odwiedź Bibliotekę dokumentów

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

Purification, characterization, and biosynthesis of margatoxin, a component of Centruroides margaritatus venom that selectively inhibits voltage-dependent potassium channels.

M Garcia-Calvo et al.

The Journal of biological chemistry, 268(25), 18866-18874 (1993-09-05)

A novel peptidyl inhibitor of K+ channels has been purified to homogeneity from venom of the new world scorpion Centruroides margaritatus. The primary structure of this 39-amino-acid peptide, which we term margatoxin (MgTX), was determined by amino acid compositional analysis

Margatoxin is a non-selective inhibitor of human Kv1.3 K+ channels.

Bartok A

Toxicon, 87, 6-16 (2014)

Suppressing Kv1.3 Ion Channel Activity with a Novel Small Molecule Inhibitor Ameliorates Inflammation in a Humanised Mouse Model of Ulcerative Colitis.

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

Potassium channels in rat prostate epithelial cells.

H Ouadid-Ahidouch et al.

FEBS letters, 459(1), 15-21 (1999-10-06)

Voltage-dependent K(+) channels were identified and characterized in primary culture of rat prostate epithelial cells. A voltage-dependent, inactivating K(+) channel was the most commonly observed ion channel in both lateral and dorsal cells. The K(+) current exhibited a voltage threshold

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