Rajapakshe A - Search Results

1

Intramolecular electron transfer in sulfite-oxidizing enzymes: elucidating the role of a conserved active site arginine.

Emesh S, Rapson TD, Rajapakshe A, Kappler U, Bernhardt PV, Tollin G, Enemark JH. Emesh S, et al. Among authors: rajapakshe a. Biochemistry. 2009 Mar 17;48(10):2156-63. doi: 10.1021/bi801553q. Biochemistry. 2009. PMID: 19226119 Free PMC article.

2

Effects of interdomain tether length and flexibility on the kinetics of intramolecular electron transfer in human sulfite oxidase.

Johnson-Winters K, Nordstrom AR, Emesh S, Astashkin AV, Rajapakshe A, Berry RE, Tollin G, Enemark JH. Johnson-Winters K, et al. Among authors: rajapakshe a. Biochemistry. 2010 Feb 16;49(6):1290-6. doi: 10.1021/bi9020296. Biochemistry. 2010. PMID: 20063894 Free PMC article.

3

Characterization of chloride-depleted human sulfite oxidase by electron paramagnetic resonance spectroscopy: experimental evidence for the role of anions in product release.

Rajapakshe A, Johnson-Winters K, Nordstrom AR, Meyers KT, Emesh S, Astashkin AV, Enemark JH. Rajapakshe A, et al. Biochemistry. 2010 Jun 29;49(25):5154-9. doi: 10.1021/bi902172n. Biochemistry. 2010. PMID: 20491442 Free PMC article.

4

Structural studies of the molybdenum center of mitochondrial amidoxime reducing component (mARC) by pulsed EPR spectroscopy and 17O-labeling.

Rajapakshe A, Astashkin AV, Klein EL, Reichmann D, Mendel RR, Bittner F, Enemark JH. Rajapakshe A, et al. Biochemistry. 2011 Oct 18;50(41):8813-22. doi: 10.1021/bi2005762. Epub 2011 Sep 22. Biochemistry. 2011. PMID: 21916412 Free PMC article.

5

Intramolecular electron transfer in sulfite-oxidizing enzymes: probing the role of aromatic amino acids.

Rajapakshe A, Meyers KT, Berry RE, Tollin G, Enemark JH. Rajapakshe A, et al. J Biol Inorg Chem. 2012 Mar;17(3):345-52. doi: 10.1007/s00775-011-0856-x. Epub 2011 Nov 5. J Biol Inorg Chem. 2012. PMID: 22057690

6

Determination of the distance between the Mo(V) and Fe(III) heme centers of wild type human sulfite oxidase by pulsed EPR spectroscopy.

Astashkin AV, Rajapakshe A, Cornelison MJ, Johnson-Winters K, Enemark JH. Astashkin AV, et al. Among authors: rajapakshe a. J Phys Chem B. 2012 Feb 16;116(6):1942-50. doi: 10.1021/jp210578f. Epub 2012 Feb 3. J Phys Chem B. 2012. PMID: 22229742 Free PMC article.

7

Effects of mutating aromatic surface residues of the heme domain of human sulfite oxidase on its heme midpoint potential, intramolecular electron transfer, and steady-state kinetics.

Davis AC, Cornelison MJ, Meyers KT, Rajapakshe A, Berry RE, Tollin G, Enemark JH. Davis AC, et al. Among authors: rajapakshe a. Dalton Trans. 2013 Mar 7;42(9):3043-9. doi: 10.1039/c2dt31508d. Epub 2012 Sep 14. Dalton Trans. 2013. PMID: 22975842

8

Kinetic and thermodynamic effects of mutations of human sulfite oxidase.

Rajapakshe A, Tollin G, Enemark JH. Rajapakshe A, et al. Chem Biodivers. 2012 Sep;9(9):1621-34. doi: 10.1002/cbdv.201200010. Chem Biodivers. 2012. PMID: 22976958 Free PMC article. Review. No abstract available.

9

Identity of the exchangeable sulfur-containing ligand at the Mo(V) center of R160Q human sulfite oxidase.

Klein EL, Raitsimring AM, Astashkin AV, Rajapakshe A, Johnson-Winters K, Arnold AR, Potapov A, Goldfarb D, Enemark JH. Klein EL, et al. Among authors: rajapakshe a. Inorg Chem. 2012 Feb 6;51(3):1408-18. doi: 10.1021/ic201643t. Epub 2012 Jan 6. Inorg Chem. 2012. PMID: 22225516 Free PMC article.

10

Insights into the Nature of Mo(V) Species in Solution: Modeling Catalytic Cycles for Molybdenum Enzymes.

Rajapakshe A, Snyder RA, Astashkin AV, Bernardson P, Evans DJ, Young CG, Evans DH, Enemark JH. Rajapakshe A, et al. Inorganica Chim Acta. 2009 Sep 15;362(12):4603-4608. doi: 10.1016/j.ica.2009.05.040. Inorganica Chim Acta. 2009. PMID: 20161396 Free PMC article.

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