Lesson plan

STEAP3

Metalloreductase STEAP3 is an enzyme that in humans is encoded by the STEAP3 gene. STEAP3 is a metalloreductase, capable of converting iron from an insoluble ferric (Fe 3+ ) to a soluble ferrous (Fe 2+ ) form. STEAP3 and other STEAP protein, with the exception of STEAP1, are predicted to contain a Di-nucleotide binding domain (Rossmann Fold). This has been shown using X-ray crystallography in the cases of STEAP3 and STEAP4 (PDB: 2VNS, 2VQ3 and 2YJZ).

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Article summary

Metalloreductase STEAP3 is an enzyme that in humans is encoded by the STEAP3 gene. STEAP3 is a metalloreductase, capable of converting iron from an insoluble ferric (Fe 3+ ) to a soluble ferrous (Fe 2+ ) form. STEAP3 and other STEAP protein, with the exception of STEAP1, are predicted to contain a Di-nucleotide binding domain (Rossmann Fold). This has been shown using X-ray crystallography in the cases of STEAP3 and STEAP4 (PDB: 2VNS, 2VQ3 and 2YJZ).

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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