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      Recombinant Human I-TAC/CXCL11
       
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      產(chǎn)品說(shuō)明書(shū)
                  
      FAQ
                  
      COA
                  
      已發(fā)表文獻(xiàn)
                  
       
      CXCL11, also known as I-TAC, SCYB9B, H174 and beta -R1, is a non-ELR CXC chemokine. CXCL11 cDNA encodes a 94 amino acid (aa) residue precursor protein with a 21 aa residue putative signal sequence, which is cleaved to form the mature 73 aa residue protein. CXCL11 shares 36% and 37% amino acid sequence homology with IP-10 and MIG (two other known human non-ELR CXC chemokines), respectively. CXCL11 is expressed at low levels in normal tissues including thymus, spleen and pancreas. The expression of CXCL11 mRNA is radically up regulated in IFN-gamma and IL-1 stimulated astrocytes. Moderate increase in expression is also observed in stimulated monocytes. CXCL11 has potent chemoattractant activity for IL-2 activated T cells and transfected cell lines expressing CXCR3, but not freshly isolated T cells, neutrophils or monocytes. 
      


       
      


      Product Properties
      


      
	
		
      
			
			
      Synonyms
      
			      		
			
			
      Beta-R1, H174, IP-9, Small-inducible Cytokine B11
      
			      		
		
      
		
      
			
			
      Accession
      
			      		
			
			
      O14625
      
			      		
		
      
		
      
			
			
      GeneID
      
			      		
			
			
      6373
      
			      		
		
      
		
      
			
			
      Source
      
			      		
			
			
      E.coli-derived Human CXCL11,Phe22-Phe94.
      
			      		
		
      
		
      
			
			
      Molecular Weight
      
			      		
			
			
      Approximately 8.3 kDa
      
			      		
		
      
		
      
			
			
      AA Sequence
      
			      		
			
			
      FPMFKRGRCL CIGPGVKAVK VADIEKASIM YPSNNCDKIE VIITLKENKG QRCLNPKSKQ ARLIIKKVER KNF
      
			      		
		
      
		
      
			
			
      Tag
      
			      		
			
			
      None
      
			      		
		
      
		
      
			
			
      Physical Appearance
      
			      		
			
			
      Sterile Filtered White lyophilized (freeze-dried) powder.
      
			      		
		
      
		
      
			
			
      Purity
      
			      		
			
			
      > 97% by SDS-PAGE and HPLC analyses.
      
			      		
		
      
		
      
			
			
      Biological Activity
      
			      		
			
			
      Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human IL-2 activated human T-lymphocytes is in a concentration range of 0.1-10 ng/mL.
      
			      		
		
      
		
      
			
			
      Endotoxin
      
			      		
			
			
      <  1 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 °C. 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 cycle.
      


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


      3.For research use only.
      


      HB220331
      


       
      

         
       
       
       
       
       
       
       
      400-6111-883