1H, 15N, 13C backbone resonance assignments of human soluble catechol O-methyltransferase in complex with S-adenosyl-l-methionine and 3,5-dinitrocatechol

Biomolecular NMR Assignments - Tập 11 - Trang 57-61 - 2016
Sylwia Czarnota1, Nicola J. Baxter1,2, Matthew J. Cliff1, Jonathan P. Waltho1,2, Nigel S. Scrutton1, Sam Hay1
1Manchester Institute of Biotechnology and School of Chemistry, The University of Manchester, Manchester, UK
2Department of Molecular Biology and Biotechnology, Krebs Institute for Biomolecular Research, The University of Sheffield, Firth Court, Sheffield, UK

Tóm tắt

Catechol O-methyltransferase (COMT) is an enzyme that plays a major role in catechol neurotransmitter deactivation. Inhibition of COMT can increase neurotransmitter levels, which provides a means of treatment for Parkinson’s disease, schizophrenia and depression. COMT exists as two isozymes: a soluble cytoplasmic form (S-COMT), expressed in the liver and kidneys and a membrane-bound form (MB-COMT), found mostly in the brain. Here we report the backbone 1H, 15N and 13C chemical shift assignments of S-COMT in complex with S-adenosyl-l-methionine, 3,5-dinitrocatechol and Mg2+. Assignments were obtained by heteronuclear multidimensional NMR spectroscopy. In total, 97 % of all backbone resonances were assigned in the complex, with 205 out of a possible 215 residues assigned in the 1H-15N TROSY spectrum. Prediction of solution secondary structure from a chemical shift analysis using the TALOS+ webserver is in good agreement with published X-ray crystal structures.

Tài liệu tham khảo

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