Gene Review:
ECs2355 - superoxide dismutase
Escherichia coli O157:H7 str. Sakai
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Disease relevance of ECs2355
- Bacteriocuprein superoxide dismutase of Photobacterium leiognathi. Isolation and sequence of the gene and evidence for a precursor form [1].
- Enzymatically active bacteriocuprein that lacked the leader peptide was identified in sonic extracts of Escherichia coli hosts containing the cloned gene [1].
High impact information on ECs2355
- The presence of a leader peptide suggests that the bacteriocuprein is localized in the membrane or periplasm, in contrast to the eukaryotic copper-zinc superoxide dismutases, which are cytoplasmic enzymes [1].
- The nucleotide sequence predicted a 22-residue leader peptide amino-terminal to the known bacteriocuprein sequence [1].
- P. leiognathi bacteriocuprein is the first bacteriocuprein whose gene has been isolated and sequenced and the first copper-zinc superoxide dismutase in which a leader peptide has been found [1].
- The expected precursor bacteriocuprein was directly identified in the in vitro translation products of the cloned gene by polyacrylamide gel electrophoresis and automated Edman degradation [1].
References
- Bacteriocuprein superoxide dismutase of Photobacterium leiognathi. Isolation and sequence of the gene and evidence for a precursor form. Steinman, H.M. J. Biol. Chem. (1987) [Pubmed]
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