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Merck
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Key Documents

C1796

Sigma-Aldrich

Cecropin B

≥97% (HPLC), powder

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About This Item

经验公式（希尔记法）:
C176H301N51O42S
CAS号:
80451-05-4
分子量:
3835.65
MDL號碼:
MFCD00130753
分類程式碼代碼:
12352200
NACRES:
NA.32

品質等級

200

化驗

≥97% (HPLC)

形狀

powder

抗生素活性譜

fungi

作用方式

cell membrane | interferes

儲存溫度

−20°C

InChI

1S/C176H302N52O41S/c1-25-97(15)140(174(269)224-139(96(13)14)168(263)212-113(57-36-43-72-179)155(250)199-101(19)145(240)198-91-134(234)228-79-50-64-128(228)167(262)202-104(22)149(244)225-141(98(16)26-2)171(266)203-105(23)148(243)222-137(94(9)10)169(264)219-123(82-93(7)8)152(247)196-89-132(232)205-119(65-67-135(235)236)156(251)201-102(20)146(241)206-112(56-35-42-71-178)154(249)200-103(21)147(242)215-122(144(187)239)81-92(5)6)221-133(233)90-197-153(248)126(85-129(185)229)217-160(255)118(63-49-78-193-176(190)191)213-172(267)143(100(18)28-4)227-166(261)127(86-130(186)230)218-157(252)111(62-48-77-192-175(188)189)204-131(231)88-195-151(246)121(69-80-270-24)211-159(254)114(58-37-44-73-180)207-161(256)120(66-68-136(237)238)214-173(268)142(99(17)27-3)226-163(258)117(61-40-47-76-183)208-158(253)115(59-38-45-74-181)209-164(259)124(83-106-51-30-29-31-52-106)220-170(265)138(95(11)12)223-162(257)116(60-39-46-75-182)210-165(260)125(216-150(245)109(184)54-34-41-70-177)84-107-87-194-110-55-33-32-53-108(107)110/h29-33,51-53,55,87,92-105,109,111-128,137-143,194H,25-28,34-50,54,56-86,88-91,177-184H2,1-24H3,(H2,185,229)(H2,186,230)(H2,187,239)(H,195,246)(H,196,247)(H,197,248)(H,198,240)(H,199,250)(H,200,249)(H,201,251)(H,202,262)(H,203,266)(H,204,231)(H,205,232)(H,206,241)(H,207,256)(H,208,253)(H,209,259)(H,210,260)(H,211,254)(H,212,263)(H,213,267)(H,214,268)(H,215,242)(H,216,245)(H,217,255)(H,218,252)(H,219,264)(H,220,265)(H,221,233)(H,222,243)(H,223,257)(H,224,269)(H,225,244)(H,226,258)(H,227,261)(H,235,236)(H,237,238)(H4,188,189,192)(H4,190,191,193)/t97-,98-,99-,100-,101-,102-,103-,104-,105-,109-,111-,112-,113-,114-,115-,116-,117-,118-,119-,120-,121-,122-,123-,124-,125-,126-,127-,128-,137-,138-,139-,140-,141-,142-,143-/m0/s1

InChI 密鑰

YIQHNFUJWYYSEC-MQAAYMCRSA-N

Amino Acid Sequence

Lys-Trp-Lys-Val-Phe-Lys-Lys-Ile-Glu-Lys-Met-Gly-Arg-Asn-Ile-Arg-Asn-Gly-Ile-Val-Lys-Ala-Gly-Pro-Ala-Ile-Ala-Val-Leu-Gly-Glu-Ala-Lys-Ala-Leu-NH2

一般說明

Cecropin B is an antimicrobial peptide present in the hemolymph of the silk moth, Hyalophora cecropia. It is a member of the Cecropin class and possesses an α-helix-like structure. 
Chemical structure: peptide

應用

Cecropin B has been used as an antibiotic peptide to study its cytotoxic potential in breast adenocarcinoma and mesothelioma cell lines. It has also been used as an antimicrobial peptide to test the susceptibility of the Photorhabdus variants in minimal inhibitory concentration (MIC) assays.

生化／生理作用

Antibacterial peptide originally identified in moths (Hyalophora cecropia) and later in pig intestine.
Cecropin B is known for its antimicrobial activity. It displays antitumor effects in hepatocellular carcinoma, lymphoma, and leukemia cell lines.

其他說明

Lyophilized from 0.1% TFA in H2O

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

分析证书(COA)

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蜂毒肽 来源蜜蜂毒液 ≥85% (HPLC)

Sigma-Aldrich

M2272

蜂毒肽 来源蜜蜂毒液

Nayanoori Harikrishna et al.
Journal of vector borne diseases, 49(1), 19-22 (2012-05-16)
In the past 60 years, antibiotics have been critical in the fight against infectious diseases caused by bacteria and other microbes. Development of resistance to the antibiotics is emerging as a major public health issue which has resulted in the
Fuxian Yu et al.
Biotechnology letters, 32(5), 669-673 (2010-01-05)
Antibacterial peptides have a broad range of antibacterial properties that makes them highly toxic for expression in Escherichia coli. For prepare an antiserum to detect these peptides, we developed a cecropin B mutant with a green fluorescent protein fusion partner
Abhaya M Dandekar et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(10), 3721-3725 (2012-02-23)
We postulated that a synergistic combination of two innate immune functions, pathogen surface recognition and lysis, in a protein chimera would lead to a robust class of engineered antimicrobial therapeutics for protection against pathogens. In support of our hypothesis, we
Frank Rasche et al.
FEMS microbiology ecology, 56(2), 219-235 (2006-04-25)
A greenhouse experiment was performed to analyze a potential effect of genetically modified potatoes expressing antibacterial compounds (attacin/cecropin, T4 lysozyme) and their nearly isogenic, nontransformed parental wild types on rhizosphere bacterial communities. To compare plant transformation-related variations with commonly accepted
Z Abi Khattar et al.
Journal of bacteriology, 191(22), 7063-7073 (2009-09-22)
The dlt operon encodes proteins that alanylate teichoic acids, the major components of cell walls of gram-positive bacteria. This generates a net positive charge on bacterial cell walls, repulsing positively charged molecules and conferring resistance to animal and human cationic
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