DNA sequence encoding the NH2-terminal peptide involved in transport of lambda receptor, an Escherichia coli secretory protein.

AUTOR(ES)

Hedgpeth, J

RESUMO

lamB encodes the lambda receptor of Escherichia coli, an outer membrane protein. We have identified the beginning of the lamB gene by correlating DNA nucleotide sequence with a partial sequence of the primary translation product of lamB. We show that lambda receptor is synthesized as a precursor containing an extra 25 amino acids at its NH2 terminus. These amino acids are predominately hydrophobic and probably comprise a structure required for initiation of transport of lambda receptor from the cytoplasm to the outer membrane.

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