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      Recombinant Human PCT/Procalcitonin
       
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      產(chǎn)品說明書
                  
      FAQ
                  
      COA
                  
      已發(fā)表文獻(xiàn)
                  
       
      Procalcitonin (PCT) belongs to a group of related proteins including calcitonin gene-related peptides I and II, amylin, adrenomodulin and calcitonin (CAPA peptide family). Mature PCT is expressed as a 116 amino acid (aa) protein which is subsequently cleaved into 3 parts: a 57 aa pro-region, a 32 aa Calcitonin peptide and a 21 aa Katacalcin peptide. PCT is a peptide precursor of the hormone calcitonin, the latter being involved with calcium homeostasis. PCT is produced by parafollicular cells (C cells) of the thyroid and by the neuroendocrine cells of the lung and the intestine. But its level is related to the severity of bacterial sepsis, it is considered to be one of the earliest and most specific markers of sepsis. 
      


       
      


      Product Properties
      


      
	
		
      
			
			
      Synonyms
      
			      		
			
			
      CALC1, CALCA, Calcitonin 1, calcitonin gene-related peptide 1, CGRP, Katacalcin, Procalcitonin
      
			      		
		
      
		
      
			
			
      Accession
      
			      		
			
			
      P01258-1
      
			      		
		
      
		
      
			
			
      GeneID
      
			      		
			
			
      796
      
			      		
		
      
		
      
			
			
      Source
      
			      		
			
			
      E.coli-derived human PCT/Procalcitonin protein, Ala26-Asn141.
      
			      		
		
      
		
      
			
			
      Molecular Weight
      
			      		
			
			
      Approximately 12.8 kDa.
      
			      		
		
      
		
      
			
			
      AA Sequence
      
			      		
			
			
      APFRSALESS PADPATLSED EARLLLAALV QDYVQMKASE LEQEQEREGS SLDSPRSKRC GNLSTCMLGT YTQDFNKFHT FPQTAIGVGA PGKKRDMSSD LERDHRPHVS MPQNAN
      
			      		
		
      
		
      
			
			
      Tag
      
			      		
			
			
      None
      
			      		
		
      
		
      
			
			
      Physical Appearance
      
			      		
			
			
      Sterile Filtered White lyophilized (freeze-dried) powder.
      
			      		
		
      
		
      
			
			
      Purity
      
			      		
			
			
      >98% by SDS-PAGE and HPLC analyses.
      
			      		
		
      
		
      
			
			
      Biological Activity
      
			      		
			
			
      Testing in progress. 
      
			      		
		
      
		
      
			
			
      Endotoxin
      
			      		
			
			
      < 0.1 EU per 1μg of the protein by the LAL method.
      
			      		
		
      
		
      
			
			
      Formulation
      
			      		
			
			
      Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM Tris-HCl, pH 8.0, 150 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!
      


       
      


       
      


      HB220429
      

         
       
       
       
       
       
       
       
      400-6111-883