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addenda and errata
accessStructure and mechanism of copper–carbonic anhydrase II: a nitrite reductase. Corrigendum
aDepartment of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610 USA, and bDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
*Correspondence e-mail: rmckenna@ufl.edu
Statements in the article by Andring et al. [IUCrJ, (2020), 7, 287–293] are corrected.
Keywords: catalytic metal ions; copper–carbonic anhydrase II; apo-carbonic anhydrase II; nitrite reductases; nitric oxide; X-ray crystallography.
The following statements in the article by Andring et al. (2020![[Andring, J. T., Kim, C. U. & McKenna, R. (2020). IUCrJ, 7, 287-293.]](../../../../../../logos/arrows/iucrj_arr.gif "Andring, J. T., Kim, C. U. & McKenna, R. (2020). IUCrJ, 7, 287-293.")
) are corrected:
(a) On page 288, `recent reports have shown that CAII can also reduce nitrite (NO2−) to nitric oxide (NO), and thus, may play a role in vasodilation and regulation of blood pressure (Andring et al., 2018; Aamand et al., 2009; Hanff et al., 2018).' should read `recent reports have shown that CAII can also reduce nitrite (NO2−) to nitric oxide (NO), and thus, may play a role in vasodilation and regulation of blood pressure (Aamand et al., 2009).'. Hanff et al. (2018) did not show reduction to NO but instead showed nitrite dehydratase activity, which is not a redox reaction.
(b) On pages 288–299, `However, when dialyzed with ethylenediaminetetraacetic acid (EDTA), the enzyme retained its carbonic anhydrase activity yet lost its nitrite reductase activity (Hanff et al., 2018)' should read `However, when dialyzed with ethylenediaminetetraacetic acid (EDTA), the enzyme retained its carbonic anhydrase activity yet lost its nitrite reductase activity (Andring et al., 2018)'.
(c) And on page 291, `... indicating that a metal cofactor within the bovine blood was needed for the CAII-dependent nitrite reductase activity (Andring et al., 2018; Hanff et al., 2018)' again should not cite Hanff et al. (2018) and should read `... indicating that a metal cofactor within the bovine blood was needed for the CAII-dependent nitrite reductase activity (Andring et al., 2018)'.
References
Aamand, R., Dalsgaard, T., Jensen, F. B., Simonsen, U., Roepstorff, A. & Fago, A. (2009). Am. J. Physiol. Heart Circ. Physiol. 297, H2068–H2074. Web of Science CrossRef PubMed CAS Google Scholar
Andring, J. T., Kim, C. U. & McKenna, R. (2020). IUCrJ, 7, 287–293. Web of Science CrossRef CAS PubMed IUCr Journals Google Scholar
Andring, J. T., Lomelino, C. L., Tu, C., Silverman, D. N., McKenna, R. & Swenson, E. R. (2018). Free Radic. Biol. Med. 117, 1–5. Web of Science CrossRef CAS PubMed Google Scholar
Hanff, E., Zinke, M., Böhmer, A., Niebuhr, J., Maassen, M., Endeward, V., Maassen, N. & Tsikas, D. (2018). Anal. Biochem. 550, 132–136. Web of Science CrossRef CAS PubMed Google Scholar
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