orf-6 was cloned in plasmid pplc28 under the control of the pl promoter of phage lambda and , after induction , a protein of about 10 kda was overproduced , which was absent in the corresponding cells harbouring a recombinant plasmid with the sus1 ( 629 ) mutation , indicating that the 10-kda protein is the product of gene 1 .
C0086860
phage lambda
C0007634
cells