Structure and Molecular Evolution of CDGSH Iron-Sulfur Domains
2011

Structure and Evolution of CDGSH Iron-Sulfur Domains

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Author Information

Author(s): Lin Jinzhong, Zhang Liman, Lai Shaomei, Ye Keqiong

Primary Institution: National Institute of Biological Sciences, Beijing, China

Hypothesis

How do different types of CDGSH iron-sulfur domains (CISDs) differ in structure and evolutionary relationships?

Conclusion

The study reveals that all CISDs share a common ancestry and diverged into three primary folds with distinct phylogenetic distributions.

Supporting Evidence

  • The crystal structures of type 3, 4, and 6 CISDs were determined at high resolutions.
  • CISDs are classified into seven major types with a wide distribution across life forms.
  • The study provides insights into the evolutionary relationships of CISDs.

Takeaway

Scientists studied special proteins called CISDs that help with iron and sulfur in cells. They found that these proteins have different shapes but are related to each other.

Methodology

The researchers determined the crystal structures of type 3, 4, and 6 CISDs using X-ray crystallography.

Limitations

The study primarily focuses on only three types of CISDs and may not represent all variations.

Digital Object Identifier (DOI)

10.1371/journal.pone.0024790

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