Mass Spectrometry Analysis of In Vitro Nitration of Carbonic Anhydrase II


Soo Jae Lee, Jeong Won Kang, Kyung Cho Cho, Mohammad Humayun Kabir, Byungjoo Kim, Yong-Hyeon Yim, Hyoung Soon Park, Eugene C. Yi, Kwang Pyo Kim, Journal of Information Processing Systems Vol. 35, No. 3, pp. 709-714, Mar. 2014  

https://doi.org/10.5012/bkcs.2014.35.3.709
Keywords: Mass spectrometry, FT-ICR MS, High resolution MS, Nitration, Nitrosylation
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Abstract

Protein tyrosine nitration is considered as an important indicator of nitrosative stresses and as one of the main factors for pathogenesis of inflammation and neuronal degeneration. In this study, we investigated various nitrosative modifications of bovine carbonic anhydrase II (CAII) through qualitative and semi-quantitative analysis using the combined strategy of Fourier transformation ion cyclotron resonance mass spectrometry (FT-ICR MS) and ion-trap tandem mass spectrometry (IT-MS/MS). FT-ICR MS and its spectra were used for the search of the pattern of nitrosative modifications. Identification of nitrosatively modified tyrosine sites were executed through IT-MS/MS. In addition, we also tried to infer the reason for the site-specific nitrosative modifications in CAII. In view of the above purpose, we have explored- i) the side chain accessibility, ii) the electrostatic environment originated from the acidic/basic amino acid residues neighboring to the nitrosatively modified site and iii) the existence of competing amino acid residues for nitration.


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Cite this article
[APA Style]
Lee, S., Kang, J., Cho, K., Kabir, M., Kim, B., Yim, Y., Park, H., Yi, E., & Kim, K. (2014). Mass Spectrometry Analysis of In Vitro Nitration of Carbonic Anhydrase II. Bulletin of the Korean Chemical Society, 35(3), 709-714. DOI: 10.5012/bkcs.2014.35.3.709.

[IEEE Style]
S. J. Lee, J. W. Kang, K. C. Cho, M. H. Kabir, B. Kim, Y. Yim, H. S. Park, E. C. Yi, K. P. Kim, "Mass Spectrometry Analysis of In Vitro Nitration of Carbonic Anhydrase II," Bulletin of the Korean Chemical Society, vol. 35, no. 3, pp. 709-714, 2014. DOI: 10.5012/bkcs.2014.35.3.709.

[ACM Style]
Soo Jae Lee, Jeong Won Kang, Kyung Cho Cho, Mohammad Humayun Kabir, Byungjoo Kim, Yong-Hyeon Yim, Hyoung Soon Park, Eugene C. Yi, and Kwang Pyo Kim. 2014. Mass Spectrometry Analysis of In Vitro Nitration of Carbonic Anhydrase II. Bulletin of the Korean Chemical Society, 35, 3, (2014), 709-714. DOI: 10.5012/bkcs.2014.35.3.709.