Identification of a third thioredoxin gene from Corynebacterium nephridii

초록

We identified and sequenced a gene encoding a third thioredoxin (C3) from Cornybacterium nephridii. The determined nucleotide sequence encodes a thioredoxin of 145 amino acid residues, which is larger than most thioredoxins found in microbial cells and contains 6 cysteine residues. C. nephridii thioredoxin C3 is able to serve as a subunit of T7 DNA polymerase. C. nephridii is the first nonphotosynthetic procaryotic organism known to carry three different thioredoxins.

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