4yet

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X-ray crystal structure of superoxide dismutase from Babesia bovis solved by Sulfur SADX-ray crystal structure of superoxide dismutase from Babesia bovis solved by Sulfur SAD

Structural highlights

4yet is a 2 chain structure with sequence from Babesia bovis. This structure supersedes the now removed PDB entry 4k2w. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

O15904_BABBO Destroys radicals which are normally produced within the cells and which are toxic to biological systems (By similarity).

Publication Abstract from PubMed

Prior studies have highlighted the potential of superoxide dismutases as drug targets in eukaryotic pathogens. This report presents the structures of three iron-dependent superoxide dismutases (FeSODs) from Trypanosoma cruzi, Leishmania major and Babesia bovis. Comparison with existing structures from Plasmodium and other trypanosome isoforms shows a very conserved overall fold with subtle differences. In particular, structural data suggest that B. bovis FeSOD may display similar resistance to peroxynitrite-mediated inactivation via an intramolecular electron-transfer pathway as previously described in T. cruzi FeSOD isoform B, thus providing valuable information for structure-based drug design. Furthermore, lysine-acetylation results in T. cruzi indicate that acetylation occurs at a position close to that responsible for the regulation of acetylation-mediated activity in the human enzyme.

Iron superoxide dismutases in eukaryotic pathogens: new insights from Apicomplexa and Trypanosoma structures.,Phan IQ, Davies DR, Moretti NS, Shanmugam D, Cestari I, Anupama A, Fairman JW, Edwards TE, Stuart K, Schenkman S, Myler PJ Acta Crystallogr F Struct Biol Commun. 2015 May;71(Pt 5):615-21. doi:, 10.1107/S2053230X15004185. Epub 2015 May 7. PMID:25961325[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Phan IQ, Davies DR, Moretti NS, Shanmugam D, Cestari I, Anupama A, Fairman JW, Edwards TE, Stuart K, Schenkman S, Myler PJ. Iron superoxide dismutases in eukaryotic pathogens: new insights from Apicomplexa and Trypanosoma structures. Acta Crystallogr F Struct Biol Commun. 2015 May;71(Pt 5):615-21. doi:, 10.1107/S2053230X15004185. Epub 2015 May 7. PMID:25961325 doi:http://dx.doi.org/10.1107/S2053230X15004185

4yet, resolution 1.75Å

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