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You are here:Home » Molecular Biology » Growth Factors-Defensin » DEFB4, Recombinant, Human (Beta-defensin 4, DEFB-2, DEFB102, DEFB2, HBD-2, SAP1)

DEFB4, Recombinant, Human (Beta-defensin 4, DEFB-2, DEFB102, DEFB2, HBD-2, SAP1)

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Specifications

Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are highly similar in protein sequence. This gene encodes defensin, beta 4, an antibiotic peptide which is locally regulated by inflammation.
Catalog #169396
SourceRecombinant protein corresponding to human DEFB4 expressed in E. coli (Accession# O15263).
Molecular Weight~4.3kD
Endotoxin<0.1ng/ug
Biological ActivityDetermined by its ability to chemoattract immature human dendritic cells using a concentration of 10-100ng/ml.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~4.3kD
SourceE. coli
Purity~98% by (SDS-PAGE and HPLC)
ConcentrationAs reported
FormSupplied as a lyophilized powder. Reconstitute in sterile H2O.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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