A tenth atp gene and the conserved atpI gene of a Bacillus atp operon have a role in Mg2+ uptake.

@article{Hicks2003ATA,
  title={A tenth atp gene and the conserved atpI gene of a Bacillus atp operon have a role in Mg2+ uptake.},
  author={David B. Hicks and Zhenxiong Wang and Yi Qiu Wei and Robyn Kent and Arthur A. Guffanti and Horia L. Banciu and David H. Bechhofer and Terry Ann Krulwich},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2003},
  volume={100 18},
  pages={
          10213-8
        }
}
The atp operon of alkaliphilic Bacillus pseudofirmus OF4, as in most prokaryotes, contains the eight structural genes for the F-ATPase (ATP synthase), which are preceded by an atpI gene that encodes a membrane protein of unknown function. A tenth gene, atpZ, has been found in this operon, which is upstream of and overlapping with atpI. Most Bacillus species, and some other bacteria, possess atpZ homologues. AtpZ is predicted to be a membrane protein with a hairpin topology, and was detected by… CONTINUE READING

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