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      Recombinant Human BCA-1/CXCL13
       
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      產(chǎn)品說明書
                  
      FAQ
                  
      COA
                  
      已發(fā)表文獻(xiàn)
                  
       
      The homeostatic chemokine CXCL13 (also called B cell-attracting chemokine 1 [BCA-1] or B-lymphocyte chemoattractant [BLC]) is constitutively expressed in secondary lymphoid tissue and initiates lymphoid neogenesis when expressed aberrantly. Recombinant human CXCL13 is a single non-glycosylated polypeptide chain containing 87 amino acids and mature human BCA-1 shares 64% amino acid sequence similarity with the mouse protein and 23-34% amino acid sequence identity with other known CXC chemokines. CXCL13 is a homeostatic chemokine for lymphocyte homing and positioning within follicles of secondary lymphoid tissues, acting through its cognate receptor, CXCR5. Besides, CXCL13 is a potent chemokine, produced by mature and recently recruited macrophages to sites of inflammation, which has antimicrobial and anti-angiogenic properties.
      


       
      


      Product Properties
      


      
	
		
      
			
			
      Synonyms
      
			      		
			
			
      Angie, B lymphocyte chemoattractant, BCA1, CXC chemokine BLC, Small-inducible cytokine B13,  SCYB13
      
			      		
		
      
		
      
			
			
      Accession
      
			      		
			
			
      O43927
      
			      		
		
      
		
      
			
			
      GeneID
      
			      		
			
			
      10563
      
			      		
		
      
		
      
			
			
      Source
      
			      		
			
			
      E.coli-derived Human BCA-1/CXCL13, Val23-Pro109.
      
			      		
		
      
		
      
			
			
      Molecular Weight
      
			      		
			
			
      Approximately 10.3 kDa.
      
			      		
		
      
		
      
			
			
      AA Sequence
      
			      		
			
			
      VLEVYYTSLR CRCVQESSVF IPRRFIDRIQ ILPRGNGCPR KEIIVWKKNK SIVCVDPQAE WIQRMMEVLR KRSSSTLPVP VFKRKIP
      
			      		
		
      
		
      
			
			
      Tag
      
			      		
			
			
      None
      
			      		
		
      
		
      
			
			
      Physical Appearance
      
			      		
			
			
      Sterile Filtered White lyophilized (freeze-dried) powder.
      
			      		
		
      
		
      
			
			
      Purity
      
			      		
			
			
      > 97% by SDS-PAGE and HPLC analyses.
      
			      		
		
      
		
      
			
			
      Biological Activity
      
			      		
			
			
      The biological activity determined by a chemotaxis bioassay using human B cells is in a concentration range of 1.0-10 ng/mL. Fully biologically active when compared to standard. 
      
			      		
		
      
		
      
			
			
      Endotoxin
      
			      		
			
			
      < 1.0 EU per 1μg of the protein by the LAL method.
      
			      		
		
      
		
      
			
			
      Formulation
      
			      		
			
			
      Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 100 mM NaCl.
      
			      		
		
      
		
      
			
			
      Reconstitution
      
			      		
			
			
      We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.
      
			      		
		
      
	      

      


       
      


      Shipping and Storage
      


      The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
      


      Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
      


       
      


      Cautions
      


      1. Avoid repeated freeze-thaw cycles.
      


      2. For your safety and health, please wear lab coats and disposable gloves for operation.
      


      3. For research use only!
      


       
      


      HB220215
      

         
       
       
       
       
       
       
       
      400-6111-883