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Isolation of a pdxJ point mutation that bypasses the requirement for the PdxH oxidase in pyridoxal 5' -phosphate coenzyme biosynthesis in Escherichia coli K-12.

We isolated 26 suppressor mutations that allowed growth of a delta pdxH::omega null mutant in the absence of pyridoxal. Each suppressor mapped to pdxJ, and the eight suppressors sequenced contained the same glycine-to-serine change in the PdxJ polypeptide. This bypass suppression suggests that PdxJ...

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Autors principals: Man, T K, Zhao, G, Winkler, M E
Format: Artigo
Idioma:Inglês
Publicat: 1996
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC177961/
https://ncbi.nlm.nih.gov/pubmed/8636054
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