1887

Abstract

Summary: Two regions with sizes 18 900 and 25400 bp, which join previously known contigs containing and genes near 235δ of the chromosome, were sequenced. Among others, two genes, which encode proteins homologous to RNA polymerase σ-factors, were identified within this region. The gene products designated SigV and SigZ, show the highest homology with σ-factors encoded by the gene of and (formerly ) of , correspondingly. All σ-factors which show statistically significant homology to SigV and SigZ, belong to the ECF (extracytoplasmic functions) subfamily. SigV and SigZ do not have N-terminal sequence which prevents such proteins from binding to DNA without RNA polymerase core enzyme.

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/content/journal/micro/10.1099/00221287-143-9-2939
1997-09-01
2021-09-25
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