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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