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文件

安全信息

M5280

Sigma-Aldrich

Mastoparan, Vespula lewisii

≥97% (HPLC), powder

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经验公式（希尔记法）:
C70H131N19O15
CAS号:
72093-21-1
分子量:
1478.91
Beilstein:
5491949
MDL编号:
MFCD00076865
PubChem化学物质编号:
329818006
NACRES:
NA.32

生物来源

synthetic

质量水平

200

检测方案

≥97% (HPLC)

形式

powder

颜色

white

储存温度

−20°C

SMILES string

CC[C@H](C)[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)NC([C@@H](C)CC)C(=O)N[C@@H](CC(C)C)C(N)=O

InChI

1S/C70H131N19O15/c1-17-40(11)55(75)69(103)88-53(35-54(74)90)68(102)87-52(34-39(9)10)67(101)83-46(25-19-22-28-71)62(96)78-45(16)61(95)86-50(32-37(5)6)65(99)79-42(13)58(92)77-43(14)60(94)85-51(33-38(7)8)66(100)80-44(15)59(93)81-47(26-20-23-29-72)63(97)82-48(27-21-24-30-73)64(98)89-56(41(12)18-2)70(104)84-49(57(76)91)31-36(3)4/h36-53,55-56H,17-35,71-73,75H2,1-16H3,(H2,74,90)(H2,76,91)(H,77,92)(H,78,96)(H,79,99)(H,80,100)(H,81,93)(H,82,97)(H,83,101)(H,84,104)(H,85,94)(H,86,95)(H,87,102)(H,88,103)(H,89,98)/t40-,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,55-,56-/m0/s1

InChI key

MASXKPLGZRMBJF-MVSGICTGSA-N

Gene Information

human ... CALM1(801) , PLA2R1(22925)
mouse ... CALM1(12313) , PLA2R1(18779)
rat ... CALM1(24242) , PLA2R1(295631)

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Amino Acid Sequence

Ile-Asn-Leu-Lys-Ala-Leu-Ala-Ala-Leu-Ala-Lys-Lys-Ile-Leu-NH2

一般描述

Mastoparan is a cationic, amphiphilic, tetradecapeptide amide. It is composed of the restricted amino acid and the repeated sequence. This protein is a nonspecific secretagogue isolated from venom of wasp.

应用

Mastoparan has been used as a calmodulin antagonist.

生化/生理作用

Mast cell degranulating peptide. Activates phospholipase A2; inhibits calmodulin. Cell permeable; stimulates exocytosis and phosphoinositide breakdown.
Mastoparan effectively stimulates exocytosis from diverse mammalian cells. The encoded protein facilitates the secretion of histamine from mast cells, serotonin from platelets, catecholamines from chromaffin cells and prolactin from the anterior pituitary. In addition, it is also involved in activation of Phospholipase A2 and phosphoinositides (Pl) break down. Mastoparan functions as an inhibitor for calmodulin-stimulated phosphodiesterase. Mastoparan helps in mitochondrial permeability transition by enhancing an apparent bimodal mechanism of action.

其他说明

Lyophilized from 0.1% TFA in H2O

储存分类代码

11 - Combustible Solids

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

常规特殊物品

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Inhibition of calmodulin activity by insect venom peptides
Barnette MS
Biochemical Pharmacology, 32, 2929-2933 (1983)
Lauri Tõntson et al.
Archives of biochemistry and biophysics, 524(2), 93-98 (2012-06-05)
Recombinant heterotrimeric G-protein α(i1), α(i2) and α(i3) subunits were purified in GDP-depleting conditions by affinity chromatography using StrepII-tagged β₁γ₂ subunits. Real-time monitoring of fluorescence anisotropy of Bodipy-FL-GTPγS was used for characterization of nucleotide binding properties and inactivation of the purified
Inhibition of olfactory cyclic nucleotide-activated current by calmodulin antagonists
Kleene SJ
British Journal of Pharmacology, 111, 469-472 (1994)
The Peptide Mastoparan Is a Potent Facilitator of the Mitochondrial Permeability Transition
Pfeiffer DR
The Journal of Biological Chemistry, 270, 4923-4932 (1995)
Mastoparan, a peptide toxin from wasp venom, mimics receptors by activating GTP-binding regulatory proteins (G proteins).
Higashijima T
The Journal of Biological Chemistry, 263, 6491-6494 (1988)
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