Recombinant Human DEFB104A Protein

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications PAGE
Concentration
Lyoph

Order Details

Recombinant Human DEFB104A Protein Summary

Description
Recombinant bioactive protein containing 50 amino acids for Human DEFB104A

Source:E. coli
Amino Acid Sequence:(Q8WTQ1)

Preparation
Method
Determined to be >98% pure by SDS-PAGE
Details of Functionality
Determined by its ability to chemoattract human monocytes using a concentration range of 0.1-50 ng/ml.
Source
E. coli
Protein/Peptide Type
Biologically Active Protein
Gene
DEFB104A
Purity
>95%, by SDS-PAGE

Applications/Dilutions

Theoretical MW
6 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Storage
Store at -20 to -80C. Avoid freeze-thaw cycles.
Buffer
Sterile filtered and lyophilized from 20 mM PBS, pH 7.4 and 130 mM NaCl.
Concentration
Lyoph
Purity
>95%, by SDS-PAGE
Reconstitution Instructions
Centrifuge the vial prior to opening. Reconstitute in sterile dd H2O to a concentration> 100 ug/ml. This solution can then be diluted into other aqueous buffers and stored at 4 C for 2-7 days and at -20 C for future use.

Alternate Names for Recombinant Human DEFB104A Protein

  • DEFB104B
  • DEFB-4
  • defensin, beta 104A
  • defensin, beta 4

Background

Defensins are cationic peptides with a large spectrum of antimicrobial activity that comprise an important arm of the innate immune system. The Alpha defensins are differentiated from the Beta-defensins by the pairing of their 3 disulfide bonds. Four human Beta-defensins have been identified to date; 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. Beta-defensin proteins are expressed as the C-terminal portion of precursors and are released by proteolytic cleavage of a signal sequence (for BD-1 a propeptide region). Beta-defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. Beta Defensin-4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 50 amino acids. The BD-4 is purified by proprietary chromatographic techniques.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 2 years from date of receipt.

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Bioinformatics

Gene Symbol DEFB104A