BD-3 Human 5 µg

In stock

Cat-Nr.
100-135S
Size
5 µg
  €112.00

Description / BD-3

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 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-3 is a 5.1 kDa protein containing 45 amino acid residues.

More Information

Size 5 µg
Source E. coli
Biological Activity Exhibits antimicrobial activity against gram-positive bacteria S. aureus and gram-negative P. aeruginosa and E.coli.
Purity Confirmation > 98% by SDS-PAGE & HPLC analyses
Length [aa] 45
Molecular Weight 5.1 kDa
Species Reactivity Bacteria, Mouse, Human, Virus
Formulation lyophilized
Protein Sequence GIINTLQKYY CRVRGGRCAV LSCLPKEEQI GKCSTRGRKC CRRKK
Synonyms DEFB103A; BD-3; HBD3; HBP3; DEFB3; HBP-3; hBD-3; DEFB-3; DEFB103
Uniprot ID P81534
Protein RefSeq NP_061131.1
mRNA RefSeq NM_001081551.2

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