Characteristics
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Source: Recombinant, from Streptococcus Strain G148, produced in E. coli. Mr/Structure 22 kDa. Protein G is a monomeric protein lacking cystine residues, on SDS gel, it migrates to 32 kDa. To insure lot-to-lot consistency, each batch of product is tested by FPLC and ELISA to conform to the characteristics of a standard reference reagent.
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