Singh R - Search Results

1

Roles for Arg426 and Trp111 in the modulation of NADH oxidase activity of the catalase-peroxidase KatG from Burkholderia pseudomallei inferred from pH-induced structural changes.

Carpena X, Wiseman B, Deemagarn T, Herguedas B, Ivancich A, Singh R, Loewen PC, Fita I. Carpena X, et al. Among authors: singh r. Biochemistry. 2006 Apr 25;45(16):5171-9. doi: 10.1021/bi060017f. Biochemistry. 2006. PMID: 16618106

2

Structural characterization of the Ser324Thr variant of the catalase-peroxidase (KatG) from Burkholderia pseudomallei.

Deemagarn T, Carpena X, Singh R, Wiseman B, Fita I, Loewen PC. Deemagarn T, et al. Among authors: singh r. J Mol Biol. 2005 Jan 7;345(1):21-8. doi: 10.1016/j.jmb.2004.10.020. J Mol Biol. 2005. PMID: 15567407

3

Characterization of the catalase-peroxidase KatG from Burkholderia pseudomallei by mass spectrometry.

Donald LJ, Krokhin OV, Duckworth HW, Wiseman B, Deemagarn T, Singh R, Switala J, Carpena X, Fita I, Loewen PC. Donald LJ, et al. Among authors: singh r. J Biol Chem. 2003 Sep 12;278(37):35687-92. doi: 10.1074/jbc.M304053200. Epub 2003 Jun 29. J Biol Chem. 2003. PMID: 12832453 Free article.

4

Catalase-peroxidases (KatG) exhibit NADH oxidase activity.

Singh R, Wiseman B, Deemagarn T, Donald LJ, Duckworth HW, Carpena X, Fita I, Loewen PC. Singh R, et al. J Biol Chem. 2004 Oct 8;279(41):43098-106. doi: 10.1074/jbc.M406374200. Epub 2004 Jul 26. J Biol Chem. 2004. PMID: 15280362 Free article.

5

A molecular switch and electronic circuit modulate catalase activity in catalase-peroxidases.

Carpena X, Wiseman B, Deemagarn T, Singh R, Switala J, Ivancich A, Fita I, Loewen PC. Carpena X, et al. Among authors: singh r. EMBO Rep. 2005 Dec;6(12):1156-62. doi: 10.1038/sj.embor.7400550. EMBO Rep. 2005. PMID: 16211084 Free PMC article.

6

Comparative study of catalase-peroxidases (KatGs).

Singh R, Wiseman B, Deemagarn T, Jha V, Switala J, Loewen PC. Singh R, et al. Arch Biochem Biophys. 2008 Mar 15;471(2):207-14. doi: 10.1016/j.abb.2007.12.008. Epub 2007 Dec 23. Arch Biochem Biophys. 2008. PMID: 18178143

7

Intramolecular electron transfer versus substrate oxidation in lactoperoxidase: investigation of radical intermediates by stopped-flow absorption spectrophotometry and (9-285 GHz) electron paramagnetic resonance spectroscopy.

Fielding AJ, Singh R, Boscolo B, Loewen PC, Ghibaudi EM, Ivancich A. Fielding AJ, et al. Among authors: singh r. Biochemistry. 2008 Sep 16;47(37):9781-92. doi: 10.1021/bi801032k. Epub 2008 Aug 20. Biochemistry. 2008. PMID: 18712881

8

Two [Fe(IV)=O Trp*] intermediates in M. tuberculosis catalase-peroxidase discriminated by multifrequency (9-285 GHz) EPR spectroscopy: reactivity toward isoniazid.

Singh R, Switala J, Loewen PC, Ivancich A. Singh R, et al. J Am Chem Soc. 2007 Dec 26;129(51):15954-63. doi: 10.1021/ja075108u. Epub 2007 Dec 4. J Am Chem Soc. 2007. PMID: 18052167

9

Unprecedented peroxidase-like activity of Rhodnius prolixus nitrophorin 2: identification of the [FeIV=O Por•]+ and [FeIV=O Por](Tyr38•) intermediates and their role(s) in substrate oxidation.

Singh R, Berry RE, Yang F, Zhang H, Walker FA, Ivancich A. Singh R, et al. Biochemistry. 2010 Oct 19;49(41):8857-72. doi: 10.1021/bi100499a. Biochemistry. 2010. PMID: 20726527

10

Application of LAMP assay for detection of carbapenem-resistant Acinetobacter calcoaceticus-Acinetobacter baumannii complex in ICU admitted sepsis patients: A rapid and cost-effective diagnostic tool.

Sharma A, Azam M, Verma PK, Talwar V, Roy S, Veeraraghavan B, Singh R, Gaind R. Sharma A, et al. Among authors: singh r. Diagn Microbiol Infect Dis. 2024 Jun 12;110(1):116398. doi: 10.1016/j.diagmicrobio.2024.116398. Online ahead of print. Diagn Microbiol Infect Dis. 2024. PMID: 38908041

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