Point mutations in a conserved region (TonB box) of Escherichia coli outer membrane protein BtuB affect vitamin B12 transport.

Uptake of cobalamins and iron chelates in Escherichia coli K-12 is dependent on specific outer membrane transport proteins and the energy-coupling function provided by the TonB protein. The btuB product is the outer membrane receptor for cobalamins, bacteriophage BF23, and the E colicins. A short se...

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Bibliographic Details
Main Authors: Gudmundsdottir, A, Bell, P E, Lundrigan, M D, Bradbeer, C, Kadner, R J
Format: Artigo
Language:Inglês
Published: 1989
Subjects:
Research Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC210543/
https://ncbi.nlm.nih.gov/pubmed/2687240
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