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Phenylalanyl-2-Sulfanilylglycine as Substrate for Leucine Aminopeptidase Assay
A chromogenic mimic of phenlyalanyl-dipeptide, L-phenylalanyl-L-2-sulfanilylglycine (PSG), was synthesized and examined for its usability in leucine aminopeptidase (LAP) assay. The enzyme activityExpand
Transport of sulfanilic acid via microbial dipeptide transport system
Sulfanilic acid (4-aminobenzenesulfonic acid) alone is normally not permeant in bacteria but can be readily delivered via the microbial dipeptide transport system. A dipeptidyl derivative of thisExpand
Competitive Spectrophotometry for Microbial Dipeptide Transport Systems
Portage kinetic constants of peptide transport can be measured by competitive spectrophotometry. The kinetic constants of L-Glu-L-Glu transport in Escherichia coli were ascertained usingExpand