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The G132S Mutation Enhances the Resistance of Mycobacterium tuberculosis β-Lactamase against Sulbactam.
Biochemistry. 2021 Jul 20;60(28):2236-2245. doi: 10.1021/acs.biochem.1c00168. Epub 2021 Jul 12.
Biochemistry. 2021.
PMID: 34250791
Free PMC article.
Conserved residues Glu37 and Trp229 play an essential role in protein folding of β-lactamase.
Chikunova A, Manley MP, Ud Din Ahmad M, Bilman T, Perrakis A, Ubbink M.
Chikunova A, et al.
FEBS J. 2021 Oct;288(19):5708-5722. doi: 10.1111/febs.15854. Epub 2021 May 2.
FEBS J. 2021.
PMID: 33792206
Free PMC article.
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Two β-Lactamase Variants with Reduced Clavulanic Acid Inhibition Display Different Millisecond Dynamics.
Elings W, Chikunova A, van Zanten DB, Drenth R, Ahmad MUD, Blok AJ, Timmer M, Perrakis A, Ubbink M.
Elings W, et al. Among authors: chikunova a.
Antimicrob Agents Chemother. 2021 Jul 16;65(8):e0262820. doi: 10.1128/AAC.02628-20. Epub 2021 Jul 16.
Antimicrob Agents Chemother. 2021.
PMID: 34031049
Free PMC article.
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The roles of highly conserved, non-catalytic residues in class A β-lactamases.
Chikunova A, Ubbink M.
Chikunova A, et al.
Protein Sci. 2022 Jun;31(6):e4328. doi: 10.1002/pro.4328.
Protein Sci. 2022.
PMID: 35634774
Free PMC article.
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Asp179 in the class A β-lactamase from Mycobacterium tuberculosis is a conserved yet not essential residue due to epistasis.
van Alen I, Chikunova A, van Zanten DB, de Block AA, Timmer M, Brünle S, Ubbink M.
van Alen I, et al. Among authors: chikunova a.
FEBS J. 2023 Oct;290(20):4933-4949. doi: 10.1111/febs.16892. Epub 2023 Jul 2.
FEBS J. 2023.
PMID: 37335937
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Enhanced activity against a third-generation cephalosporin by destabilization of the active site of a class A beta-lactamase.
Sun J, Chikunova A, Boyle AL, Voskamp P, Timmer M, Ubbink M.
Sun J, et al. Among authors: chikunova a.
Int J Biol Macromol. 2023 Oct 1;250:126160. doi: 10.1016/j.ijbiomac.2023.126160. Epub 2023 Aug 6.
Int J Biol Macromol. 2023.
PMID: 37549761
Free article.
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Modification of the catalytic subunit of plasma fibrin-stabilizing factor under induced oxidation.
Vasilyeva AD, Bychkova AV, Bugrova AE, Indeykina MI, Chikunova AP, Leonova VB, Kostanova EA, Biryukova MI, Konstantinova ML, Kononikhin AS, Nikolaev EN, Rosenfeld MA.
Vasilyeva AD, et al. Among authors: chikunova ap.
Dokl Biochem Biophys. 2017 Jan;472(1):40-43. doi: 10.1134/S160767291701015X. Epub 2017 Apr 19.
Dokl Biochem Biophys. 2017.
PMID: 28421433
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Conserved proline residues prevent dimerization and aggregation in the β-lactamase BlaC.
Chikunova A, Manley MP, Heijjer CN, Drenth CS, Cramer-Blok AJ, Ahmad MUD, Perrakis A, Ubbink M.
Chikunova A, et al.
Protein Sci. 2024 Apr;33(4):e4972. doi: 10.1002/pro.4972.
Protein Sci. 2024.
PMID: 38533527
Free PMC article.
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