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Key Documents

C1796

Sigma-Aldrich

Cecropin B

≥97% (HPLC), powder

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About This Item

Wzór empiryczny (zapis Hilla):
C176H301N51O42S
Numer CAS:
80451-05-4
Masa cząsteczkowa:
3835.65
Numer MDL:
MFCD00130753
Kod UNSPSC:
12352200
NACRES:
NA.32

Poziom jakości

200

Próba

≥97% (HPLC)

Postać

powder

spektrum działania antybiotyku

fungi

Tryb działania

cell membrane | interferes

temp. przechowywania

−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

Klucz InChI

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

Opis ogólny

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

Zastosowanie

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.

Działania biochem./fizjol.

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.

Inne uwagi

Lyophilized from 0.1% TFA in H2O
This page may contain text that has been machine translated.

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certyfikaty analizy (CoA)

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Sigma-Aldrich

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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
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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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