Human BD-1 (47aa)

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Cat-Nr.100-133S
Size5 µg
Price75 €
SourceE. coli
Formulationlyophilized
Purity Confirmation> 98% by SDS-PAGE & HPLC analyses
Length [aa]47
Molecular Weight5.0 kDa
Endotoxin Levels< 0.1 ng/µg of protein (<1EU/µg)
Biological ActivityDetermined by its ability to chemoattract CD34+ dendritic cells using a concentration range of 100-1000 ng/ml.
Species ReactivityHuman
SynonymsDEFB1; BD1; HBD1; DEFB-1; DEFB101
DescriptionDefensins (alpha and beta) are cationic peptides with a broad spectrum of antimicrobial activity that comprise an important arm of the innate immune system. The alpha-defensins are distinguished from the beta-defensins by the pairing of their three disulfide bonds. To date, four human beta-defensins have been identified; BD-1, BD-2, BD-3 and BD-4. Beta-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 Beta-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 (36 a.a.), a propeptide region. Beta-defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. Beta-Defensins are 3-5 kDa peptides ranging in size from 33-47 amino acid residues. Recombinant Human BD-1 is a 5.0 kDa protein containing 47 amino acid residues.
Protein SequenceGNFLTGLGHR SDHYNCVSSG GQCLYSACPI FTKIQGTCYR GKAKCCK
Uniprot IDP60022
Protein RefSeqNP_5209.1
mRNA RefSeqNM_005218

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