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You are here:Home » Growth Factors, Cytokines » Growth Factors-ENA78 » ENA78, Recombinant, Human (Epithelial Neutrophil Activating Peptide 78)(5-78aa)

ENA78, Recombinant, Human (Epithelial Neutrophil Activating Peptide 78)(5-78aa)

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Specifications

Epithelial cell-derived neutrophil-activating peptide 78 (ENA-78) is a member of the CXC subfamily of chemokines that has the Glu-Leu-Arg (ELR) motif preceding the CXC motif. Similar to other ELR containing CXC chemokines, ENA-78 is a potent neutrophil chemoattractant and activator. Proteolysis of ENA-78 with cathepsin G and chymotrypsin have yielded N-terminally truncated variants with increased biological activities. ENA-70 and ENA-74 represent truncated recombinant ENA-78 variants missing 8 and 4 aa residues, respectively, from the N-terminus. Recombinant ENA-70 and ENA-74 have been shown to have increased potency in neutrophil chemotaxis and myeloperoxidase and elastase release assays.
Catalog #E2275-07B
Biological ActivityFully biologically active when compared to standard. Determined by its ability to chemoattract human peripheral blood neutrophils using a concentration range of 5.0-50.0ng/ml.
AA SequenceAVLRELRCVCLQTTQGVHPKMISNLQVFAIGPQCSKVEVVASLKNGKEICLDPEAP
FLKKVIQKILDGGNKEN
Endotoxin 1EU/ug as determined by LAL method.
Storage and StabilityAliquot to avoid repeated freezing and thawing and freeze at -70°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Aliquots are stable for at least 12 months.
Molecular Weight8.0 kD
SourceEscherichia coli
Purity~97% by SDS-PAGE and HPLC analyses.
Concentration1mg/ml
FormSupplied as a lyophilized powder in PBS, pH 7.5. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1mg/ml.
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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