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Further sequence analysis of the phage lambda receptor site. Possible implications for the organization of the lamB protein in Escherichia coli K12.

Abstract：

:We present the DNA sequence alterations due to seven lamB missense mutations yielding resistance to phages lambda and K10. They reveal five different amino acid positions in the LamB protein. Three positions (245, 247 and 249) define a new region required for phage adsorption. The two other positions (148 and 152) belong to a region where mutations to phage resistance has already been detected. These two regions are hydrophilic and could belong to turns of the protein located at the surface of the cell. All the missense mutational alterations to phage resistance sequenced in the LamB protein correspond to 10 sites located in four different segments of the polypeptide chain. We discuss their location in terms of the notion of phage receptor site and of a working model for the organization of this protein in the outer membrane of Escherichia coli.

journal_name

J Mol Biol

journal_title

Journal of molecular biology

authors

Charbit A,Clement JM,Hofnung M

doi

10.1016/0022-2836(84)90355-3

subject

Has Abstract

pub_date

1984-05-25 00:00:00

pages

395-401

issue

3

eissn

0022-2836

issn

1089-8638

pii

0022-2836(84)90355-3

journal_volume

175

pub_type

杂志文章

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