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Items: 1 to 50 of 61

1.

Protein Sequence and Membrane Lipid Roles in the Activation Kinetics of Bovine and Human Rhodopsins.

Szundi I, Funatogawa C, Guo Y, Yan ECY, Kliger DS.

Biophys J. 2017 Nov 7;113(9):1934-1944. doi: 10.1016/j.bpj.2017.08.051.

2.

Role of the Conserved Valine 236 in Access of Ligands to the Active Site of Thermus thermophilus ba3 Cytochrome Oxidase.

Funatogawa C, Li Y, Chen Y, McDonald W, Szundi I, Fee JA, Stout CD, Einarsdóttir Ó.

Biochemistry. 2017 Jan 10;56(1):107-119. doi: 10.1021/acs.biochem.6b00590. Epub 2016 Dec 27.

PMID:
28026953
3.

A Comparison between the Photoactivation Kinetics of Human and Bovine Rhodopsins.

Funatogawa C, Szundi I, Kliger DS.

Biochemistry. 2016 Dec 20;55(50):7005-7013. Epub 2016 Dec 9.

4.

Complexity of Bovine Rhodopsin Activation Revealed at Low Temperature and Alkaline pH.

Szundi I, Funatogawa C, Kliger DS.

Biochemistry. 2016 Sep 13;55(36):5095-105. doi: 10.1021/acs.biochem.6b00687. Epub 2016 Sep 1.

5.

The CO Photodissociation and Recombination Dynamics of the W172Y/F282T Ligand Channel Mutant of Rhodobacter sphaeroides aa3 Cytochrome c Oxidase.

Cassano JA, Choi SK, McDonald W, Szundi I, Villa Gawboy TR, Gennis RB, Einarsdóttir Ó.

Photochem Photobiol. 2016 May;92(3):410-9. doi: 10.1111/php.12587. Epub 2016 Apr 21.

PMID:
27029379
6.

Platymonas subcordiformis Channelrhodopsin-2 (PsChR2) Function: II. RELATIONSHIP OF THE PHOTOCHEMICAL REACTION CYCLE TO CHANNEL CURRENTS.

Szundi I, Bogomolni R, Kliger DS.

J Biol Chem. 2015 Jul 3;290(27):16585-94. doi: 10.1074/jbc.M115.653071. Epub 2015 May 13.

7.

Platymonas subcordiformis Channelrhodopsin-2 Function: I. THE PHOTOCHEMICAL REACTION CYCLE.

Szundi I, Li H, Chen E, Bogomolni R, Spudich JL, Kliger DS.

J Biol Chem. 2015 Jul 3;290(27):16573-84. doi: 10.1074/jbc.M114.631614. Epub 2015 May 13.

8.

Kinetics and intermediates of the reaction of fully reduced Escherichia coli bo₃ ubiquinol oxidase with O₂.

Szundi I, Kittredge C, Choi SK, McDonald W, Ray J, Gennis RB, Einarsdóttir Ó.

Biochemistry. 2014 Aug 26;53(33):5393-404. doi: 10.1021/bi500567m. Epub 2014 Aug 15.

PMID:
25076393
9.

The pathway of O₂to the active site in heme-copper oxidases.

Einarsdóttir O, McDonald W, Funatogawa C, Szundi I, Woodruff WH, Dyer RB.

Biochim Biophys Acta. 2015 Jan;1847(1):109-18. doi: 10.1016/j.bbabio.2014.06.008. Epub 2014 Jul 3. Review.

10.

Conserved glycine 232 in the ligand channel of ba3 cytochrome oxidase from Thermus thermophilus.

McDonald W, Funatogawa C, Li Y, Chen Y, Szundi I, Fee JA, Stout CD, Einarsdóttir O.

Biochemistry. 2014 Jul 15;53(27):4467-75. doi: 10.1021/bi500289h. Epub 2014 Jul 7.

11.

Ligand access to the active site in Thermus thermophilus ba(3) and bovine heart aa(3) cytochrome oxidases.

McDonald W, Funatogawa C, Li Y, Szundi I, Chen Y, Fee JA, Stout CD, Einarsdóttir Ó.

Biochemistry. 2013 Jan 29;52(4):640-52. doi: 10.1021/bi301358a. Epub 2013 Jan 18.

12.

Spectral identification of intermediates generated during the reaction of dioxygen with the wild-type and EQ(I-286) mutant of Rhodobacter sphaeroides cytochrome c oxidase.

Szundi I, Funatogawa C, Cassano J, McDonald W, Ray J, Hiser C, Ferguson-Miller S, Gennis RB, Einarsdóttir Ó.

Biochemistry. 2012 Nov 20;51(46):9302-11. doi: 10.1021/bi301166u. Epub 2012 Nov 6.

13.

Schiff base protonation changes in Siberian hamster ultraviolet cone pigment photointermediates.

Mooney VL, Szundi I, Lewis JW, Yan EC, Kliger DS.

Biochemistry. 2012 Mar 27;51(12):2630-7. doi: 10.1021/bi300157r. Epub 2012 Mar 15.

14.

Kinetic studies of the reactions of O(2) and NO with reduced Thermus thermophilus ba(3) and bovine aa(3) using photolabile carriers.

Einarsdóttir O, Funatogawa C, Soulimane T, Szundi I.

Biochim Biophys Acta. 2012 Apr;1817(4):672-9. doi: 10.1016/j.bbabio.2011.12.005. Epub 2011 Dec 16. Review.

15.

Rhodopsin in nanodiscs has native membrane-like photointermediates.

Tsukamoto H, Szundi I, Lewis JW, Farrens DL, Kliger DS.

Biochemistry. 2011 Jun 7;50(22):5086-91. doi: 10.1021/bi200391a. Epub 2011 May 13.

16.

CO impedes superfast O2 binding in ba3 cytochrome oxidase from Thermus thermophilus.

Szundi I, Funatogawa C, Fee JA, Soulimane T, Einarsdóttir O.

Proc Natl Acad Sci U S A. 2010 Dec 7;107(49):21010-5. doi: 10.1073/pnas.1008603107. Epub 2010 Nov 19.

17.

Temperature dependence of the lumirhodopsin I-lumirhodopsin II equilibrium.

Szundi I, Epps J, Lewis JW, Kliger DS.

Biochemistry. 2010 Jul 20;49(28):5852-8. doi: 10.1021/bi100566r.

18.

Microsecond time-resolved circular dichroism of rhodopsin photointermediates.

Thomas YG, Szundi I, Lewis JW, Kliger DS.

Biochemistry. 2009 Dec 29;48(51):12283-9. doi: 10.1021/bi901657b.

19.

Flash-photolysis of fully reduced and mixed-valence CO-bound Rhodobacter sphaeroides cytochrome c oxidase: heme spectral shifts.

Szundi I, Ray J, Pawate A, Gennis RB, Einarsdóttir O.

Biochemistry. 2007 Nov 6;46(44):12568-78. Epub 2007 Oct 12.

PMID:
17929941
20.

Synthesis and structural characterization of cross-linked histidine-phenol Cu(ii) complexes as cytochrome c oxidase active site models.

White KN, Sen I, Szundi I, Landaverry YR, Bria LE, Konopelski JP, Olmstead MM, Einarsdóttir O.

Chem Commun (Camb). 2007 Aug 21;(31):3252-4. Epub 2007 May 30.

PMID:
17668091
21.

A new approach for studying fast biological reactions involving nitric oxide: generation of NO using photolabile ruthenium and manganese NO donors.

Szundi I, Rose MJ, Sen I, Eroy-Reveles AA, Mascharak PK, Einarsdóttir O.

Photochem Photobiol. 2006 Sep-Oct;82(5):1377-84.

PMID:
17421079
22.

Proton movement and photointermediate kinetics in rhodopsin mutants.

Lewis JW, Szundi I, Kazmi MA, Sakmar TP, Kliger DS.

Biochemistry. 2006 May 2;45(17):5430-9.

23.

Rhodopsin photointermediates in two-dimensional crystals at physiological temperatures.

Szundi I, Ruprecht JJ, Epps J, Villa C, Swartz TE, Lewis JW, Schertler GF, Kliger DS.

Biochemistry. 2006 Apr 18;45(15):4974-82.

24.

Lumi I --> Lumi II: the last detergent independent process in rhodopsin photoexcitationt.

Epps J, Lewis JW, Szundi I, Kliger DS.

Photochem Photobiol. 2006 Nov-Dec;82(6):1436-41.

PMID:
16553464
25.

Effect of digitonin on the rhodopsin meta I-meta II equilibrium.

Szundi I, Lewis JW, Kliger DS.

Photochem Photobiol. 2005 Jul-Aug;81(4):866-73.

PMID:
15819603
27.

Time-resolved photointermediate changes in rhodopsin glutamic acid 181 mutants.

Lewis JW, Szundi I, Kazmi MA, Sakmar TP, Kliger DS.

Biochemistry. 2004 Oct 5;43(39):12614-21.

PMID:
15449951
28.

Time-resolved optical absorption studies of cytochrome oxidase dynamics.

Einarsdóttir O, Szundi I.

Biochim Biophys Acta. 2004 Apr 12;1655(1-3):263-73. Review.

29.

Two intermediates appear on the lumirhodopsin time scale after rhodopsin photoexcitation.

Szundi I, Lewis JW, Kliger DS.

Biochemistry. 2003 May 6;42(17):5091-8.

PMID:
12718552
30.
31.
32.

Intramolecular proton transfers and structural changes during the photocycle of the LOV2 domain of phototropin 1.

Corchnoy SB, Swartz TE, Lewis JW, Szundi I, Briggs WR, Bogomolni RA.

J Biol Chem. 2003 Jan 10;278(2):724-31. Epub 2002 Oct 30.

33.

P(M) and P(R) forms of cytochrome c oxidase have different spectral properties.

Einarsdóttir O, Szundi I, Van Eps N, Sucheta A.

J Inorg Biochem. 2002 Jul 25;91(1):87-93.

PMID:
12121765
34.

Modeling the active site of cytochrome oxidase: synthesis and characterization of a cross-linked histidine-phenol.

Cappuccio JA, Ayala I, Elliott GI, Szundi I, Lewis J, Konopelski JP, Barry BA, Einarsdóttir O.

J Am Chem Soc. 2002 Feb 27;124(8):1750-60.

PMID:
11853453
35.

Bleaching kinetics of artificial visual pigments with modifications near the ring-polyene chain connection.

Szundi I, de Lera AR, Pazos Y, Alvarez R, Oliana M, Sheves M, Lewis JW, Kliger DS.

Biochemistry. 2002 Feb 12;41(6):2028-35.

PMID:
11827550
36.

Steric barrier to bathorhodopsin decay in 5-demethyl and mesityl analogues of rhodopsin.

Lewis JW, Fan GB, Sheves M, Szundi I, Kliger DS.

J Am Chem Soc. 2001 Oct 17;123(41):10024-9.

PMID:
11592880
37.

The photocycle of a flavin-binding domain of the blue light photoreceptor phototropin.

Swartz TE, Corchnoy SB, Christie JM, Lewis JW, Szundi I, Briggs WR, Bogomolni RA.

J Biol Chem. 2001 Sep 28;276(39):36493-500. Epub 2001 Jul 6.

38.
39.
40.
41.

New photointermediates in the two photon signaling pathway of sensory rhodopsin-I.

Swartz TE, Szundi I, Spudich JL, Bogomolni RA.

Biochemistry. 2000 Dec 12;39(49):15101-9.

PMID:
11106488
42.
43.

Effect of NADPH on formation and decay of human metarhodopsin III at physiological temperatures.

Szundi I, Lewis JW, van Kuijk FJ, Kliger DS.

Vision Res. 2000;40(22):3039-48.

44.

Photoinduced intracomplex electron transfer between cytochrome c oxidase and TUPS-modified cytochrome c.

Kotlyar A, Borovok N, Hazani M, Szundi I, Einarsdóttir O.

Eur J Biochem. 2000 Sep;267(18):5805-9.

45.
46.

pH dependence of photolysis intermediates in the photoactivation of rhodopsin mutant E113Q.

Lewis JW, Szundi I, Fu WY, Sakmar TP, Kliger DS.

Biochemistry. 2000 Jan 25;39(3):599-606.

PMID:
10642185
48.

Intermediates in the reaction of fully reduced cytochrome c oxidase with dioxygen.

Sucheta A, Szundi I, Einarsdóttir O.

Biochemistry. 1998 Dec 22;37(51):17905-14.

PMID:
9922158
49.

The effects of octanol on the late photointermediates of rhodopsin.

Mah TL, Szundi I, Lewis JW, Jäger S, Kliger DS.

Photochem Photobiol. 1998 Nov;68(5):762-70.

PMID:
9825706
50.

Proton transfer reactions linked to rhodopsin activation.

Szundi I, Mah TL, Lewis JW, Jäger S, Ernst OP, Hofmann KP, Kliger DS.

Biochemistry. 1998 Oct 6;37(40):14237-44.

PMID:
9760262

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