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. 1991 Jan 11;19(1):125–129. doi: 10.1093/nar/19.1.125

Sequencing and expression of the rne gene of Escherichia coli.

A K Chauhan 1, A Miczak 1, L Taraseviciene 1, D Apirion 1
PMCID: PMC333542  PMID: 2011493

Abstract

RNase E is a major endonucleolytic RNA processing enzyme in Escherichia coli. We have sequenced a 3.2 kb EcoRI-BamHI fragment encoding the rne gene, and identified its reading frame. Upstream from the gene, there are appropriate consensus sequences for a putative promoter and a ribosome binding site. We have translated this gene using a T7 RNA polymerase/promoter system. We determined 25 amino acids from the N-terminal of the translated product and they are in full agreement with the DNA sequence. The translated product of the rne gene migrates in SDS containing polyacrylamide gels as a 110,000 Da polypeptide, but the open reading frame found in the sequenced DNA indicates a much smaller protein. The entity that migrates as a 110,000 Da contains RNA, which could account, at least partially, for the migration of the rne gene product in SDS containing polyacrylamide gels.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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