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NOVEL ESCHERICHIA COLI MUTANTS CAPABLE OF EXCRETING PERIPLASMIC PROTEINS IN THE EXTRACELLULAR MEDIUM, THEIR PRODUCTION AND THEIR USE FOR THE PREPARATION OF .beta.-LACTAMASES OR HYBRID PROTEINS OF .beta.- LACTAMASES
NOVEL ESCHERICHIA COLI MUTANTS CAPABLE OF EXCRETING PERIPLASMIC PROTEINS IN THE EXTRACELLULAR MEDIUM, THEIR PRODUCTION AND THEIR USE FOR THE PREPARATION OF .beta.-LACTAMASES OR HYBRID PROTEINS OF .beta.- LACTAMASES
specific disclosure.the invention relates to mutants of escherichiacoli, able to secrete into the extracellular mediumperiplasmic proteins, characterized by the fact that theyfrom a parent
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