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Merck
CN

M5280

Mastoparan, Vespula lewisii

≥97% (HPLC), powder

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关于此项目

经验公式（希尔记法）:
C70H131N19O15
化学文摘社编号:
72093-21-1
分子量:
1478.91
UNSPSC Code:
41106300
NACRES:
NA.32
PubChem Substance ID:
329818006
MDL number:
MFCD00076865
Beilstein/REAXYS Number:
5491949

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biological source

synthetic

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

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 key

MASXKPLGZRMBJF-MVSGICTGSA-N

assay

≥97% (HPLC)

form

powder

color

white

storage temp.

−20°C

Quality Level

200

Gene Information

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

General description

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.

Application

Mastoparan has been used as a calmodulin antagonist.

Biochem/physiol Actions

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.

Other Notes

Lyophilized from 0.1% TFA in H2O

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

常规特殊物品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000457882
0000457881
0000457882
0000457881
0000376399

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A new mast cell degranulating peptide "mastoparan" in the venom of Vespula lewisii.
Y Hirai et al.
Chemical & pharmaceutical bulletin, 27(8), 1942-1944 (1979-08-01)
Sarah Jones et al.
Bioconjugate chemistry, 23(1), 47-56 (2011-12-14)
Retro-inverso transformation has commonly been employed as a strategy both for the synthesis of proteolytically stable peptide analogues and for the detailed investigation of structure activity relationships. Herein, we adopted a similar strategy to probe the structure activity relationships of
K M Clapp et al.
American journal of physiology. Heart and circulatory physiology, 304(5), H660-H666 (2013-01-22)
Statin drugs inhibit 3-hydroxy-3-methylglutaryl CoA reductase, which reduces the synthesis of both cholesterol and isoprenoids (geranylgeranyl pyrophosphate and farnesyl pyrophosphate), with the latter being lipid molecules responsible for the posttranslational modification of small GTP-binding proteins such as Rho. Effects of
Inhibition of olfactory cyclic nucleotide-activated current by calmodulin antagonists
Kleene SJ
British Journal of Pharmacology, 111, 469-472 (1994)
Inhibition of calmodulin activity by insect venom peptides
Barnette MS
Biochemical Pharmacology, 32, 2929-2933 (1983)
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