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Items: 1 to 50 of 163

1.
2.

Functional dissection of the Bacillus subtilis pur operator site.

Bera AK, Zhu J, Zalkin H, Smith JL.

J Bacteriol. 2003 Jul;185(14):4099-109.

3.

The purine repressor of Bacillus subtilis: a novel combination of domains adapted for transcription regulation.

Sinha SC, Krahn J, Shin BS, Tomchick DR, Zalkin H, Smith JL.

J Bacteriol. 2003 Jul;185(14):4087-98.

4.

Role of residue 147 in the gene regulatory function of the Escherichia coli purine repressor.

Huffman JL, Lu F, Zalkin H, Brennan RG.

Biochemistry. 2002 Jan 15;41(2):511-20.

PMID:
11781089
5.
8.

Interdomain signaling in glutamine phosphoribosylpyrophosphate amidotransferase.

Bera AK, Chen S, Smith JL, Zalkin H.

J Biol Chem. 1999 Dec 17;274(51):36498-504.

9.

Crystal structure of Bacillus subtilis YabJ, a purine regulatory protein and member of the highly conserved YjgF family.

Sinha S, Rappu P, Lange SC, Mäntsälä P, Zalkin H, Smith JL.

Proc Natl Acad Sci U S A. 1999 Nov 9;96(23):13074-9.

10.
11.
12.
14.

The structure of PurR mutant L54M shows an alternative route to DNA kinking.

Arvidson DN, Lu F, Faber C, Zalkin H, Brennan RG.

Nat Struct Biol. 1998 Jun;5(6):436-41.

PMID:
9628480
15.

Enzymes utilizing glutamine as an amide donor.

Zalkin H, Smith JL.

Adv Enzymol Relat Areas Mol Biol. 1998;72:87-144. Review.

PMID:
9559052
16.

Crystal structure of glutamine phosphoribosylpyrophosphate amidotransferase from Escherichia coli.

Muchmore CR, Krahn JM, Kim JH, Zalkin H, Smith JL.

Protein Sci. 1998 Jan;7(1):39-51.

17.

Structure-based redesign of corepressor specificity of the Escherichia coli purine repressor by substitution of residue 190.

Lu F, Schumacher MA, Arvidson DN, Haldimann A, Wanner BL, Zalkin H, Brennan RG.

Biochemistry. 1998 Jan 27;37(4):971-82.

PMID:
9454587
18.

Role of NifS in maturation of glutamine phosphoribosylpyrophosphate amidotransferase.

Chen S, Zheng L, Dean DR, Zalkin H.

J Bacteriol. 1997 Dec;179(23):7587-90.

19.

Interaction of Bacillus subtilis purine repressor with DNA.

Shin BS, Stein A, Zalkin H.

J Bacteriol. 1997 Dec;179(23):7394-402.

20.

Coupled formation of an amidotransferase interdomain ammonia channel and a phosphoribosyltransferase active site.

Krahn JM, Kim JH, Burns MR, Parry RJ, Zalkin H, Smith JL.

Biochemistry. 1997 Sep 16;36(37):11061-8.

PMID:
9333323
22.

Mechanism of the synergistic end-product regulation of Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase by nucleotides.

Chen S, Tomchick DR, Wolle D, Hu P, Smith JL, Switzer RL, Zalkin H.

Biochemistry. 1997 Sep 2;36(35):10718-26.

PMID:
9271502
23.

Role of NRF-1 in bidirectional transcription of the human GPAT-AIRC purine biosynthesis locus.

Chen S, Nagy PL, Zalkin H.

Nucleic Acids Res. 1997 May 1;25(9):1809-16.

24.

Formyltetrahydrofolate hydrolase from Escherichia coli.

Zalkin H.

Methods Enzymol. 1997;281:214-8. No abstract available.

PMID:
9250985
25.
26.

Mechanism of corepressor-mediated specific DNA binding by the purine repressor.

Schumacher MA, Choi KY, Lu F, Zalkin H, Brennan RG.

Cell. 1995 Oct 6;83(1):147-55.

27.

Identification of the Bacillus subtilis pur operon repressor.

Weng M, Nagy PL, Zalkin H.

Proc Natl Acad Sci U S A. 1995 Aug 1;92(16):7455-9.

28.
30.
31.

Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.

Schumacher MA, Choi KY, Zalkin H, Brennan RG.

Science. 1994 Nov 4;266(5186):763-70.

PMID:
7973627
32.
33.

Crystallization and preliminary X-ray analysis of an Escherichia coli purine repressor-hypoxanthine-DNA complex.

Schumacher MA, Choi KY, Zalkin H, Brennan RG.

J Mol Biol. 1994 Sep 23;242(3):302-5.

PMID:
8089849
34.

Structure of the allosteric regulatory enzyme of purine biosynthesis.

Smith JL, Zaluzec EJ, Wery JP, Niu L, Switzer RL, Zalkin H, Satow Y.

Science. 1994 Jun 3;264(5164):1427-33.

PMID:
8197456
36.

Role of the purine repressor hinge sequence in repressor function.

Choi KY, Zalkin H.

J Bacteriol. 1994 Mar;176(6):1767-72.

37.

Two genes for de novo purine nucleotide synthesis on human chromosome 4 are closely linked and divergently transcribed.

Brayton KA, Chen Z, Zhou G, Nagy PL, Gavalas A, Trent JM, Deaven LL, Dixon JE, Zalkin H.

J Biol Chem. 1994 Feb 18;269(7):5313-21.

38.
39.

purU, a source of formate for purT-dependent phosphoribosyl-N-formylglycinamide synthesis.

Nagy PL, McCorkle GM, Zalkin H.

J Bacteriol. 1993 Nov;175(21):7066-73.

40.

Expression, purification, and kinetic characterization of recombinant human adenylosuccinate lyase.

Stone RL, Zalkin H, Dixon JE.

J Biol Chem. 1993 Sep 15;268(26):19710-6.

41.

Coexpression of two closely linked avian genes for purine nucleotide synthesis from a bidirectional promoter.

Gavalas A, Dixon JE, Brayton KA, Zalkin H.

Mol Cell Biol. 1993 Aug;13(8):4784-92. Erratum in: Mol Cell Biol 1993 Dec;13(12):7977.

42.

Regulation of Escherichia coli glnB, prsA, and speA by the purine repressor.

He B, Choi KY, Zalkin H.

J Bacteriol. 1993 Jun;175(11):3598-606.

44.

Overview of multienzyme systems in biosynthetic pathways.

Zalkin H.

Biochem Soc Trans. 1993 Feb;21(1):203-7. Review. No abstract available.

PMID:
8449294
45.

The amidotransferases.

Zalkin H.

Adv Enzymol Relat Areas Mol Biol. 1993;66:203-309. Review. No abstract available.

PMID:
8430515
46.

Binding of cytosolic aconitase to the iron responsive element of porcine mitochondrial aconitase mRNA.

Zheng L, Kennedy MC, Blondin GA, Beinert H, Zalkin H.

Arch Biochem Biophys. 1992 Dec;299(2):356-60.

PMID:
1444477
47.
48.
49.

Importance of lysine-286 at the NADP site of glutamate dehydrogenase from Salmonella typhimurium.

Haeffner-Gormley L, Chen Z, Zalkin H, Colman RF.

Biochemistry. 1992 Sep 1;31(34):7807-14.

PMID:
1510967
50.

Crystallization and preliminary X-ray studies on the co-repressor binding domain of the Escherichia coli purine repressor.

Schumacher MA, Choi KY, Zalkin H, Brennan RG.

J Mol Biol. 1992 Jun 20;225(4):1131-3.

PMID:
1613795

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