Recombinant Human Beta-defensin 4A protein(DEFB4A) (Active)

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Code CSB-AP003041HU
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Product Details

Purity >98% as determined by SDS-PAGE and HPLC.
Endotoxin Less than 1.0 EU/μg as determined by LAL method.
Activity Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using immature human dendritic cells is in a concentration range of 10-100 ng/ml.
Target Names DEFB4A
Uniprot No. O15263
Research Area Microbiology
Alternative Names BD 2; BD-2; BD2; beta 2; beta 2 Defensin; Beta defensin 2; Beta defensin 4B; Beta-defensin 2; Beta-defensin 4A; DEF B2; DEF B4; DEFB 102; DEFB 2; DEFB 4; DEFB102; DEFB2; DEFB2; formerly; DEFB4; DEFB4; formerly; DEFB4B; DEFB4P; Defensin; Defensin beta 2; Defensin; beta 4; Defensin; beta 4; pseudogene; Defensin; beta 4A; Defensin; beta 4B; Defensin; beta; 2; formerly; Defensin; beta; 4; formerly; DFB4A_HUMAN; HBD 2; hBD-2; HBD2; mBD-2; SAP 1; SAP1; Skin antimicrobial peptide 1; Skin-antimicrobial peptide 1
Species Homo sapiens (Human)
Source E.coli
Expression Region 24-64aa
Complete Sequence GIGDPVTCLK SGAICHPVFC PRRYKQIGTC GLPGTKCCKK P
Mol. Weight 4.3 kDa
Protein Length Full Length of Mature Protein
Tag Info Tag-Free
Form Lyophilized powder
Buffer Lyophilized from a 0.2 µm filtered 20 mM PB, pH 7.4, 130 mM NaCl
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time 5-10 business days
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Background

Function
(From Uniprot)
Exhibits antimicrobial activity against Gram-negative bacteria and Gram-positive bacteria. May act as a ligand for C-C chemokine receptor CCR6. Can bind to both human and mouse CCR6 and induce chemotactic activity of CCR6-expressing cells
Gene References into Functions
  1. The encoded peptide has antimicrobial activity against E.coli, S. aureus, and P. aeruginosa. PMID: 9727055
Subcellular Location Secreted
Protein Families Beta-defensin family, LAP/TAP subfamily
Tissue Specificity Expressed in the skin and respiratory tract.
Database Links

HGNC: 2767

OMIM: 602215

KEGG: hsa:100289462

STRING: 9606.ENSP00000424598

UniGene: Hs.105924

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