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Items: 1 to 50 of 90

1.

Assays for beta-lactamase activity and inhibition.

Viswanatha T, Marrone L, Goodfellow V, Dmitrienko GI.

Methods Mol Med. 2008;142:239-60. doi: 10.1007/978-1-59745-246-5_19.

PMID:
18437319
2.

68Zn isotope exchange experiments reveal an unusual kinetic lability of the metal ions in the di-zinc form of IMP-1 metallo-beta-lactamase.

Siemann S, Badiei HR, Karanassios V, Viswanatha T, Dmitrienko GI.

Chem Commun (Camb). 2006 Feb 7;(5):532-4. Epub 2005 Dec 14.

PMID:
16432573
3.

Overexpression of isocitrate lyase is an important strategy in the survival of Pseudomonas fluorescens exposed to aluminum.

Hamel R, Appanna VD, Viswanatha T, Puiseux-Dao S.

Biochem Biophys Res Commun. 2004 May 14;317(4):1189-94.

PMID:
15094395
4.

Thiols as classical and slow-binding inhibitors of IMP-1 and other binuclear metallo-beta-lactamases.

Siemann S, Clarke AJ, Viswanatha T, Dmitrienko GI.

Biochemistry. 2003 Feb 18;42(6):1673-83.

PMID:
12578382
5.

N-arylsulfonyl hydrazones as inhibitors of IMP-1 metallo-beta-lactamase.

Siemann S, Evanoff DP, Marrone L, Clarke AJ, Viswanatha T, Dmitrienko GI.

Antimicrob Agents Chemother. 2002 Aug;46(8):2450-7.

6.

IMP-1 metallo-beta-lactamase: effect of chelators and assessment of metal requirement by electrospray mass spectrometry.

Siemann S, Brewer D, Clarke AJ, Dmitrienko GI, Lajoie G, Viswanatha T.

Biochim Biophys Acta. 2002 Jul 3;1571(3):190-200.

PMID:
12090933
7.

Recombinant lysine:N(6)-hydroxylase: effect of cysteine-->alanine replacements on structural integrity and catalytic competence.

Dick S, Siemann S, Frey HE, Lepock JR, Viswanatha T.

Biochim Biophys Acta. 2002 Feb 11;1594(2):219-33.

PMID:
11904218
8.

Lysine: N6-hydroxylase: stability and interaction with ligands.

Dick S, Marrone L, Duewel H, Beecroft M, McCourt J, Viswanatha T.

J Protein Chem. 1999 Nov;18(8):893-903.

9.

The role of the non-conserved residue at position 104 of class A beta-lactamases in susceptibility to mechanism-based inhibitors.

Guo F, Huynh J, Dmitrienko GI, Viswanatha T, Clarke AJ.

Biochim Biophys Acta. 1999 Apr 12;1431(1):132-47.

PMID:
10209286
10.

Cofactor- and substrate-binding domains in flavin-dependent N-hydroxylating enzymes.

Dick S, Marrone L, Thariath AM, Valvano MA, Viswanatha T.

Trends Biochem Sci. 1998 Nov;23(11):414-5. No abstract available.

PMID:
9852757
11.

Effect of selective cysteine --> alanine replacements on the catalytic functions of lysine: N6-hydroxylase.

Marrone L, Viswanatha T.

Biochim Biophys Acta. 1997 Dec 5;1343(2):263-77.

PMID:
9434117
12.

The role of the nonconserved residues at position 167 of class A beta-lactamases in susceptibility to mechanism-based inhibitors.

Guo F, Dmitrienko GI, Clarke AJ, Viswanatha T.

Microb Drug Resist. 1996 Summer;2(2):261-8.

PMID:
9158770
13.

Physico-chemical characterization of a recombinant cytoplasmic form of lysine: N6-hydroxylase.

Thariath AM, Fatum KL, Valvano MA, Viswanatha T.

Biochim Biophys Acta. 1993 Nov 10;1203(1):27-35.

PMID:
8218389
14.

Substrate specificity of peptide:N-glycosidase from Flavobacterium meningosepticum.

Gosselin S, Payie K, Viswanatha T.

Glycobiology. 1993 Oct;3(5):419-21. No abstract available.

PMID:
8286853
17.

A novel role for calcite in calcium homeostasis.

Anderson S, Appanna VD, Huang J, Viswanatha T.

FEBS Lett. 1992 Aug 10;308(1):94-6.

18.

Flavobacterium meningosepticum peptide:N-glycosidase: influence of ionic strength on enzymatic activity.

Gosselin S, Martin BM, Murray GJ, Viswanatha T.

J Biochem Biophys Methods. 1992 Mar;24(1-2):71-9.

PMID:
1560183
19.
20.
21.

Precursor activation in a pyoverdine biosynthesis.

Menhart N, Viswanatha T.

Biochim Biophys Acta. 1990 Mar 29;1038(1):47-51.

PMID:
2156571
22.

Studies on lysine:N6-hydroxylation by cell-free systems of Aerobacter aerogenes 62-1.

Goh CJ, Szczepan EW, Menhart N, Viswanatha T.

Biochim Biophys Acta. 1989 Mar 24;990(3):240-5.

PMID:
2493814
23.

Peptide: N-glycosidase F: studies on the glycoprotein aminoglycan amidase from Flavobacterium meningosepticum.

Mussar KJ, Murray GJ, Martin BM, Viswanatha T.

J Biochem Biophys Methods. 1989;20(1):53-68.

PMID:
2630586
24.

Rapid chromatographic assay procedure for peptide-N-glycosidase activity.

Mussar KJ, Murray GJ, Martin BM, Viswanatha T.

J Chromatogr. 1987 Nov 6;408:378-84. No abstract available.

PMID:
3429535
25.

Direct evidence for the participation of pyruvate in N-hydroxylation of lysine.

Szczepan EW, Kaller D, Honek JF, Viswanatha T.

FEBS Lett. 1987 Jan 26;211(2):239-42.

26.

Influence of octopamine on trehalase activity in muscle and hemolymph of the American cockroach, Periplaneta americana L.

Jahagirdar AP, Downer RG, Viswanatha T.

Biochim Biophys Acta. 1984 Sep 28;801(2):177-83.

PMID:
6433989
27.

Stimulation by glutamine of the formation of N6-hydroxylysine in a cell-free extract from Aerobacter aerogenes 62-1.

Jackson GE, Parniak MA, Murray GJ, Viswanatha T.

J Cell Biochem. 1984;24(4):395-403.

PMID:
6432805
28.

Thermal denaturation of native and cross-linked Bacillus cereus 569/H beta-lactamase I.

Arnold LD, Viswanatha T.

Biochim Biophys Acta. 1983 Dec 12;749(2):192-7.

PMID:
6418209
29.

The use of bis(mercaptoacetato-S,O)hydroxoiron(III) complex for the determination of hydroxamates.

Arnold LD, Viswanatha T.

J Biochem Biophys Methods. 1983 Dec;8(4):307-20.

PMID:
6663004
30.

Inactivation of Bacillus cereus 569/H beta-lactamase I by 6-beta-(trifluoromethane sulfonyl)amidopenicillanic acid sulfone and its N-methyl derivative.

Clarke AJ, Mezes PS, Vice SF, Dmitrienko GI, Viswanatha T.

Biochim Biophys Acta. 1983 Nov 14;748(3):389-97.

PMID:
6315063
31.

Quantitative determination of monosubstituted guanidines: a comparative study of different procedures.

Parniak MA, Lange G, Viswanatha T.

J Biochem Biophys Methods. 1983 Jul;7(4):267-76.

PMID:
6619504
32.

Inactivation of beta-lactamase I from B. cereus 569/H with phenylglyoxal, an arginine-selective reagent.

Borders CL Jr, Patrick SL, Davis TL, M├ęzes PS, Viswanatha T.

Biochem Biophys Res Commun. 1982 Nov 16;109(1):242-9. No abstract available.

PMID:
6818958
33.

6-beta-(Trifluoromethane sulfonyl)-amido-penicillanic acid sulfone: a potent inhibitor for beta-lactamases.

Mezes PS, Clarke AJ, Dmitrienko GI, Viswanatha T.

FEBS Lett. 1982 Jul 5;143(2):265-7. No abstract available.

34.

The inactivation of Bacillus cereus 569/H bera-lactamase by 6-beta-(trifluoromethane-sulfonyl)amidopenicillanic acid sulfone: pH dependence and stoichiometry.

Mezes PS, Clarke AJ, Dmitrienko GI, Viswanatha T.

J Antibiot (Tokyo). 1982 Jul;35(7):918-20. No abstract available.

35.
36.

Studies on the formation of N6-hydroxylysine in cell-free extracts of Aerobacter aerogenes 62-1.

Parniak MA, Jackson GE, Murray GJ, Viswanatha T.

Biochim Biophys Acta. 1979 Jul 11;569(1):99-108.

PMID:
465510
37.

Clavulanic acid inhibition of beta-lactamase I from Bacillus cereus 569/H.

Durkin JP, Viswanatha T.

J Antibiot (Tokyo). 1978 Nov;31(11):1162-9.

38.
39.

N-(2-Furyl) acryloyl penicillin: a novel compound for the spectrophotometric assay of beta-lactamase I.

Durkin JP, Dmitrienko GI, Viswanatha T.

J Antibiot (Tokyo). 1977 Oct;30(10):883-5. No abstract available.

40.

Effect of metabolites on epsilon-N-hydroxylysine formation in cell-free extracts of Aerobacter aerogenes 62-1.

Murray GJ, Clark GE, Parniak MA, Viswanatha T.

Can J Biochem. 1977 Jun;55(6):625-9.

PMID:
18266
41.

Reversibility of the ampicillin-and nitrite-induced inactivation of beta-lactamase I.

Durkin JP, Dmitrienko GI, Viswanatha T.

Can J Biochem. 1977 Apr;55(4):453-7.

PMID:
15712
42.

Kinetic evidence for an intermediate in the deacetylation of monoacetyl-chymotrypsin.

Chibber BA, Tomich JM, Mertz ET, Viswanatha T.

Proc Natl Acad Sci U S A. 1977 Feb;74(2):510-4.

43.

The use of a homologous series of affinity labeling reagents in the study of the biotin transport system in yeast cells.

Bayer EA, Viswanatha T, Wilchek M.

FEBS Lett. 1975 Dec 15;60(2):309-12. No abstract available.

44.

Partial purification of rabbit hind brain tryptophan hydroxylase by affinity chromatography.

Widmer F, Mutus B, RamaMurthy J, Sniedkus VA, Viswanatha T.

Life Sci. 1975 Oct 15;17(8):1297-302. No abstract available.

PMID:
1196011
45.

The additional Sakaguchi positive component in chymotrypsin A alpha.

Martin BM, Fliss H, Murthy JR, Stepanik TM, Viswanatha T.

Life Sci. 1975 Oct 15;17(8):1265-8. No abstract available.

PMID:
1196008
46.

Reversibility of the affinity labelled-biotin transport system in yeast cells.

Viswanatha T, Bayer E, Wilchek M.

Biochim Biophys Acta. 1975 Aug 5;401(1):152-6.

PMID:
1096958
47.

Selective reduction of a disulfide bond in chymotrypsin A-alpha.

Martin BM, Viswanatha T.

Biochem Biophys Res Commun. 1975 Mar 3;63(1):247-54. No abstract available.

PMID:
1125016
48.

The reaction of chymotrypsin with 2,3-butanedione trimer;.

Fliss H, Tozer NM, Viswanatha T.

Can J Biochem. 1975 Mar;53(3):275-83.

PMID:
1125814
49.

Determination of the arginine content of proteins by the Sakaguchi procedure.

Tomlinson G, Viswanatha T.

Anal Biochem. 1974 Jul;60(1):15-24. No abstract available.

PMID:
4851329
50.

Affinity chromatography of chymotrypsin(s).

Tomlinson G, Shaw MC, Viswanatha T.

Methods Enzymol. 1974;34:415-20. No abstract available.

PMID:
4449461

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