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Merck
CN

M7391

Melittin from honey bee venom

≥65% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C131H229N39O31
CAS Number:
20449-79-0
Molecular Weight:
2846.46
NACRES:
NA.32
PubChem Substance ID:
329817905
UNSPSC Code:
12352202
MDL number:
MFCD00076868

Key Documents

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Product Name

Melittin from honey bee venom, ≥65% (HPLC)

InChI

1S/C131H229N39O31/c1-23-71(16)102(163-97(176)60-135)122(194)146-62-98(177)148-74(19)109(181)164-100(69(12)13)124(196)160-88(55-65(4)5)116(188)155-84(41-30-33-51-134)115(187)165-101(70(14)15)125(197)161-90(57-67(8)9)118(190)168-106(77(22)173)128(200)169-105(76(21)172)123(195)147-63-99(178)150-92(58-68(10)11)129(201)170-54-36-44-94(170)121(193)149-75(20)108(180)158-89(56-66(6)7)117(189)166-104(73(18)25-3)127(199)162-93(64-171)120(192)159-91(59-78-61-145-80-38-27-26-37-79(78)80)119(191)167-103(72(17)24-2)126(198)157-83(40-29-32-50-133)111(183)154-85(42-34-52-143-130(139)140)112(184)152-82(39-28-31-49-132)110(182)153-86(43-35-53-144-131(141)142)113(185)156-87(46-48-96(137)175)114(186)151-81(107(138)179)45-47-95(136)174/h26-27,37-38,61,65-77,81-94,100-106,145,171-173H,23-25,28-36,39-60,62-64,132-135H2,1-22H3,(H2,136,174)(H2,137,175)(H2,138,179)(H,146,194)(H,147,195)(H,148,177)(H,149,193)(H,150,178)(H,151,186)(H,152,184)(H,153,182)(H,154,183)(H,155,188)(H,156,185)(H,157,198)(H,158,180)(H,159,192)(H,160,196)(H,161,197)(H,162,199)(H,163,176)(H,164,181)(H,165,187)(H,166,189)(H,167,191)(H,168,190)(H,169,200)(H4,139,140,143)(H4,141,142,144)/t71-,72-,73-,74-,75-,76+,77+,81-,82-,83-,84-,85-,86-,87-,88-,89-,90-,91-,92-,93-,94-,100-,101-,102-,103-,104-,105-,106-/m0/s1

SMILES string

CC[C@H](C)[C@H](NC(=O)CN)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(N)=O

InChI key

VDXZNPDIRNWWCW-JFTDCZMZSA-N

form

lyophilized powder

mol wt

~_2.8 kDa

concentration

≥65% (HPLC)

solubility

water: 5.00-5.20 mg/mL, clear, colorless to faintly yellow

foreign activity

Phospholipase A2 ≤2%

storage temp.

−20°C

Quality Level

200

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Other Notes

The principle hemolytic component of honeybee venom.

Application

Melittin from honey bee venom has been used to study the role of melittin in allergic reactions.

Biochem/physiol Actions

Binds calmodulin in a Ca2+-dependent manner; inhibits Na+-K+-ATPase.
Melittin acts as an anti-coagulating protein by increasing the time of blood clotting in vitro. Melittin inhibits the activity of S100 calcium-binding protein B (S100B) and plays a vital role in Epilepsy treatment. Melittin retard cathepsin S-induced invasion, proliferation and angiogenesis via inhibition of the vascular endothelial growth factor A (VEGF-A) /VEGF receptor 2 (VEGFR-2)/ mitogen-activated protein kinase 1 (MEK1)/ extracellular signal-regulated kinase 1/2 (ERK1/2) pathway in human MHCC97-H cells (liver cancer cells). Melittin has therapeutic application in various inflammatory diseases such as skin inflammation, neuroinflammation, atherosclerosis, arthritis and liver inflammation. Accumulated melittin degrades phospholipid packing in the cell membrane and causes cell lysis and cell death.

General description

Melittin is hydrophobic in nature except for a region with Lys-Arg-Lys-Arg sequence near C-terminal end. This structural characteristic makes melittin a highly surface-active and a powerful, direct haemolytic agent. The encoded protein contains 26 amino acids. Monomeric form of melittin has a molecular weight of 2,840Da and tetrameric form has molecular weight of approximately 12,500Da.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

高风险级别生物产品--毒素类产品
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Certificates of Analysis (COA)

Lot/Batch Number
0000445543
0000445543
0000409690
0000409690
0000149831

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Anti-Inflammatory Applications of Melittin, a Major Component of Bee Venom: Detailed Mechanism of Action and Adverse Effects.
Molecules (Basel), 21(5) (2016)
Structural and Dynamic Insights into S100B Protein Activity Inhibition by Melittin for the Treatment of Epilepsy
Verma N
International Journal of Computer Applications, 55-60 (2013)
The peptide components of bee venom.
Gauldie J
European Journal of Biochemistry, 61(2), 369-376 (1976)
Application of bee venom and its main constituent melittin for cancer treatment.
Application of bee venom and its main constituent melittin for cancer treatment.
Liu CC
Cancer Chemotherapy and Pharmacology, 78(6), 1113-1130 (2016)
Honey Bee Venom (Apis mellifera) Contains Anticoagulation Factors and Increases the Blood-clotting Time.
Zolfagharian H
Journal of pharmacopuncture, 18(4), 7-11 (2015)
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