| Chemical & Physical Properties | |
|---|---|
| CAS Number | 20449-79-0 |
| Catalog No. | 2A-9038419 |
| Chinese Name | 蜂毒肽 |
| Synonyms | EINECS 253-417-7; Melittin; MFCD00076868 |
| Molecular Formula | C131H229N39O31 |
| Molecular Weight | 2846.46 |
| Purity | ≥85 (HPLC) |
| Density | 1.4±0.1 g/cm3 |
| Appearance | lyophilized powder |
| Storage Condition | 2~8°C |
| Application | Melittin is a PLA2 activator. |
| HTC | 2934999090 |
| PubChem ID | 24896718 |
| MDL Number | MFCD00076868 |
| SMILES | 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 |
| 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 |
| InChI Key | VDXZNPDIRNWWCW-JFTDCZMZSA-N |
| NACRES Code | NA.32 |
| UNSPSC | 12352200 |
| MSDS | msds/38419_1_20449_79_0.pdf |
| Bioactivity | Melittin is a PLA2 activator, stimulates the activity of the low molecular weight PLA2, while it does not the increase activity of the high molecular weight PLA2. Related Catalog Signaling Pathways >> Metabolic Enzyme/Protease >> Phospholipase Research Areas >> Inflammation/Immunology Peptides Research Areas >> Cancer Target PLA2[1] In Vitro Melittin, an immunologically related PLA2 stimulating peptide from bee venom, increases the activity of the high molecular weight enzyme[1]. Melittin is a cytotoxic peptide from bee venom. Melittin exhibits toxicity against both A2780CR and A2780 cells, with IC50 values of 4.5 and 6.8 μg/mL, respectively. Melittin has natural anti-bacterial, anti-viral, and anti-inflammatory properties. It has also been shown to have diverse anticancer effects in several different cancer cell lines including those of gastric, breast, ovarian, liver, prostate, cervical, and lung origins. The mechanisms by which Melittin, an amphipathic haemolytic peptide, exerts its potential anticancer effects include inhibition of cell proliferation, induction of apoptosis, and direct necrosis. Melittin can also prevent EGF-induced cell invasion through its inhibition of the PI3K/Akt/mTOR signaling pathway, but this is primarily related to breast cancer cells[2]. Cell Assay Melittin is purified from bee venom by reversed phase liquid chromatography and reconstituted in sterile water to form a stock solution of 1 mg/mL before storage at -20 °C until required for analysis. Cell viability is assessed by an Alamar Blue (AB) cell viability reagent. Both A2780 and A2780CR cells are seeded at 1×104 cells/well in 96-well plates and incubated at 37 °C and 5% CO2 in a humidified atmosphere for 24 h. After this incubation period, the cells are treated with various concentrations of Melittin ranging from 0.5 to 14 µg/mL in 100 μL of medium, and re-incubated at 37 °C and 5% CO2 for a further 24 h. Triton X at 1% (v/v) and cell culture media are used as positive and negative controls, respectively. After this, AB is added at a final concentration of 10% (v/v) and the resultant mixture is incubated for a further 4 h at 37 °C and 5% CO2. Then, the plates are read at an excitation wavelength of 560 nm and the emission at 590 nm is recorded on a SpectraMax M3 microplate reader . Background-corrected fluorescence readings are converted to cell viability data for each test well by expressing them as percentages relative to the mean negative control value[2]. References [1]. Steiner MR, et al. Responses of purified phospholipases A2 to phospholipase A2 activating protein (PLAP) and Melittin. Biochim Biophys Acta. 1993 Feb 10;1166(1):124-30. [2]. Alonezi S, et al. Metabolomic Profiling of the Effects of Melittin on Cisplatin Resistant and Cisplatin Sensitive Ovarian Cancer Cells Using Mass Spectrometry and Biolog Microarray Technology. Metabolites. 2016 Oct 13;6(4). pii: E35. Chemical & Physical Properties Density 1.4±0.1 g/cm3 Molecular Formula C131H229N39O31 Molecular Weight 2846.463 Exact Mass 2844.754150 PSA 1152.34000 LogP -1.32 Index of Refraction 1.635 InChIKey VDXZNPDIRNWWCW-JFTDCZMZSA-N SMILES CCC(C)C(NC(=O)CN)C(=O)NCC(=O)NC(C)C(=O)NC(C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(C(=O)NC(CC(C)C)C(=O)NC(C(=O)NC(C(=O)NCC(=O)NC(CC(C)C)C(=O)N1CCCC1C(=O)NC(C)C(=O)NC(CC(C)C)C(=O)NC(C(=O)NC(CO)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)NC(C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCC(N)=O)C(=O)NC(CCC(N)=O)C(N)=O)C(C)CC)C(C)CC)C(C)O)C(C)O)C(C)C)C(C)C Storage condition 2~8°C |
| Use of | Melittin is a PLA2 activator, stimulates the activity of the low molecular weight PLA2, while it does not the increase activity of the high molecular weight PLA2. Properties Articles59 Name melittin Synonym More Synonyms Melittin Biological Activity Description Melittin is a PLA2 activator, stimulates the activity of the low molecular weight PLA2, while it does not the increase activity of the high molecular weight PLA2. Related Catalog Signaling Pathways >> Metabolic Enzyme/Protease >> Phospholipase Research Areas >> Inflammation/Immunology Research Areas >> Cancer References [1]. Steiner MR, et al. Responses of purified phospholipases A2 to phospholipase A2 activating protein (PLAP) and Melittin. Biochim Biophys Acta. 1993 Feb 10;1166(1):124-30. [2]. Alonezi S, et al. Metabolomic Profiling of the Effects of Melittin on Cisplatin Resistant and Cisplatin Sensitive Ovarian Cancer Cells Using Mass Spectrometry and Biolog Microarray Technology. Metabolites. 2016 Oct 13;6(4). pii: E35. Chemical & Physical Properties Molecular Formula C131H229N39O31 Exact Mass 2844.754150 PSA 1152.34000 LogP -1.32 Index of Refraction 1.635 InChIKey VDXZNPDIRNWWCW-JFTDCZMZSA-N |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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