SRP3011
Beta D-1 (36 aa) human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Synonim(y):
DEFB1, beta-Defensin-1
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About This Item
Kod UNSPSC:
12352202
NACRES:
NA.32
Polecane produkty
pochodzenie biologiczne
human
rekombinowane
expressed in E. coli
Próba
≥98% (HPLC)
≥98% (SDS-PAGE)
Postać
lyophilized
masa cząsteczkowa
7.8 kDa
opakowanie
pkg of 20 μg
metody
cell culture | mammalian: suitable
zanieczyszczenia
<0.1 EU/μg endotoxin, tested
kolor
white to off-white
numer dostępu UniProt
spektrum działania antybiotyku
fungi
mycobacteria
viruses
Tryb działania
cell membrane | interferes
Warunki transportu
wet ice
temp. przechowywania
−20°C
informacje o genach
human ... DEFB1(1672)
Opis ogólny
Chemical structure: peptide
Defensins (alpha and beta) are cationic peptides with a broad spectrum of antimicrobial activity that comprise an important arm of the innate immune system. The α-defensins are distinguished from the β-defensins by the pairing of their three disulfide bonds. To date, four human β-defensins have been identified; BD-1, BD-2, BD-3 and BD-4. β-defensins are expressed on some leukocytes and at epithelial surfaces. In addition to their direct antimicrobial activities, they are chemoattractant towards immature dendritic cells and memory T cells. The b-defensin proteins are expressed as the C-terminal portion of precursors and are released by proteolytic cleavage of a signal sequence and, in the case of BD-1 (36a.a.), a propeptide region. β-defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. b-defensins are 3-5 kDa peptides ranging in size from 33-47 amino acid residues. Recombinant human BD-1 is a 3.9 kDa protein containing 36 amino acid residues.
Działania biochem./fizjol.
Defensins (alpha and beta) are cationic peptides with a broad spectrum of antimicrobial activity that comprise an important arm of the innate immune system. Recombinant human BD-1 is a 3.9 kDa protein containing 36 amino acid residues.
Sekwencja
DHYNCVSSGG QCLYSACPIF TKIQGTCYRG KAKCCK
Postać fizyczna
Lyophilized from 10 mM Acetic Acid.
Rekonstytucja
Centrifuge the vial prior to opening. Reconstitute in 10 mM Acetic Acid to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
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Hasło ostrzegawcze
Warning
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Eye Irrit. 2 - Skin Irrit. 2
Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Certyfikaty analizy (CoA)
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Masz już ten produkt?
Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.
Ainhoa Revilla-Guarinos et al.
Applied and environmental microbiology, 86(14) (2020-05-18)
Bce-like systems mediate resistance against antimicrobial peptides in Firmicutes bacteria. Lactobacillus casei BL23 encodes an "orphan" ABC transporter that, based on homology to BceAB-like systems, was proposed to contribute to antimicrobial peptide resistance. A mutant lacking the permease subunit was
Y Q Tang et al.
Science (New York, N.Y.), 286(5439), 498-502 (1999-10-16)
Analysis of rhesus macaque leukocytes disclosed the presence of an 18-residue macrocyclic, tridisulfide antibiotic peptide in granules of neutrophils and monocytes. The peptide, termed rhesus theta defensin-1 (RTD-1), is microbicidal for bacteria and fungi at low micromolar concentrations. Antibacterial activity
Robert I Lehrer et al.
Current opinion in immunology, 14(1), 96-102 (2002-01-16)
During the past year, novel beta-defensins of mice and men have been identified, together with a novel defensin subfamily (the circular or 'theta' minidefensins) in primates. Insight into the evolution of defensins has been obtained from structural studies, and several
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