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Number Citation Analysis
201
Watanabe CM, Wilson D, Linz JE, Townsend CA. Demonstration of the catalytic roles and evidence for the physical association of type I fatty acid synthases and a polyketide synthase in the biosynthesis of aflatoxin B1. CHEMISTRY & BIOLOGY 1996;3:463-9. [PMID: 8807876 DOI: 10.1016/s1074-5521(96)90094-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
202
Townsend CA. Is the enemy among us? It's my opinion. OHIO NURSES REVIEW 1996;71:11. [PMID: 8716176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
203
Watanabe CMH, Townsend CA. Incorporation of Molecular Oxygen in Aflatoxin B1 Biosynthesis. J Org Chem 1996. [DOI: 10.1021/jo952056v] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
204
Chatterjee M, Smith PJ, Townsend CA. The Role of the Aminosugar and Helix Binding in the Thiol-Induced Activation of Calicheamicin for DNA Cleavage. J Am Chem Soc 1996. [DOI: 10.1021/ja953162h] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
205
Wu TK, Busby RW, Houston TA, McIlwaine DB, Egan LA, Townsend CA. Identification, cloning, sequencing, and overexpression of the gene encoding proclavaminate amidino hydrolase and characterization of protein function in clavulanic acid biosynthesis. J Bacteriol 1995;177:3714-20. [PMID: 7601835 PMCID: PMC177087 DOI: 10.1128/jb.177.13.3714-3720.1995] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]  Open
206
Kuduvalli PN, Townsend CA, Tullius TD. Cleavage by calicheamicin gamma 1I of DNA in a nucleosome formed on the 5S RNA gene of Xenopus borealis. Biochemistry 1995;34:3899-906. [PMID: 7696253 DOI: 10.1021/bi00012a005] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
207
Janc JW, Egan LA, Townsend CA. Purification and characterization of clavaminate synthase from Streptomyces antibioticus. A multifunctional enzyme of clavam biosynthesis. J Biol Chem 1995;270:5399-404. [PMID: 7890654 DOI: 10.1074/jbc.270.10.5399] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]  Open
208
Busby RW, Chang MD, Busby RC, Wimp J, Townsend CA. Expression and purification of two isozymes of clavaminate synthase and initial characterization of the iron binding site. General error analysis in polymerase chain reaction amplification. J Biol Chem 1995;270:4262-9. [PMID: 7876185 DOI: 10.1074/jbc.270.9.4262] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]  Open
209
Mah SC, Townsend CA, Tullius TD. Hydroxyl radical footprinting of calicheamicin. Relationship of DNA binding to cleavage. Biochemistry 1994;33:614-21. [PMID: 8286393 DOI: 10.1021/bi00168a029] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
210
Brobst SW, Townsend CA. The potential role of fatty acid initiation in the biosynthesis of the fungal aromatic polyketide aflatoxin B1. CAN J CHEM 1994. [DOI: 10.1139/v94-031] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
211
Iwata-Reuyl D, Basak A, Silverman LS, Engle CA, Townsend CA. Synthesis and reaction of potential alternate substrates and mechanism-based inhibitors of clavaminate synthase. JOURNAL OF NATURAL PRODUCTS 1993;56:1373-1396. [PMID: 8229018 DOI: 10.1021/np50098a022] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
212
Townsend CA. Oxidative amino aid processing in beta-lactam antibiotic biosynthesis. Biochem Soc Trans 1993;21:208-13. [PMID: 8449295 DOI: 10.1042/bst0210208] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
213
Mcllwaine DB, Townsend CA. Evidence for distinct mechanisms of monocyclic β-lactam biosynthesis. ACTA ACUST UNITED AC 1993. [DOI: 10.1039/c39930001346] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
214
Marsh EN, Chang MD, Townsend CA. Two isozymes of clavaminate synthase central to clavulanic acid formation: cloning and sequencing of both genes from Streptomyces clavuligerus. Biochemistry 1992;31:12648-57. [PMID: 1472501 DOI: 10.1021/bi00165a015] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
215
Townsend CA. A good CV will help your career take off. RN 1992;55:17-20. [PMID: 1546249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
216
Salowe SP, Krol WJ, Iwata-Reuyl D, Townsend CA. Elucidation of the order of oxidations and identification of an intermediate in the multistep clavaminate synthase reaction. Biochemistry 1991;30:2281-92. [PMID: 1998687 DOI: 10.1021/bi00222a034] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
217
Townsend CA, Basak A. Experiments and speculations on the role of oxidative cyclization chemistry in natural product biosynthesis. Tetrahedron 1991. [DOI: 10.1016/s0040-4020(01)81792-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
218
Salowe SP, Marsh EN, Townsend CA. Purification and characterization of clavaminate synthase from Streptomyces clavuligerus: an unusual oxidative enzyme in natural product biosynthesis. Biochemistry 1990;29:6499-508. [PMID: 2207091 DOI: 10.1021/bi00479a023] [Citation(s) in RCA: 106] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
219
Townsend CA, Reeve AM, Salituro GM. Stereochemical fate of (2S,4R)- and (2S,4S)-[4-2H]methionine in nocardicin A biosynthesis. ACTA ACUST UNITED AC 1988. [DOI: 10.1039/c39880001579] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
220
Townsend CA, Krol WJ. The role of molecular oxygen in clavulanic acid biosynthesis: evidence for a bacterial oxidative deamination. ACTA ACUST UNITED AC 1988. [DOI: 10.1039/c39880001234] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
221
Townsend CA, Whittamore PRO, Brobst SW. Hydroxyversicolorone: synthesis and incorporation of a new intermediate in aflatoxin biosynthesis. ACTA ACUST UNITED AC 1988. [DOI: 10.1039/c39880000726] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
222
Townsend CA, Christensen SB, Davis SG. Synthesis of averufin and its role in aflatoxin B1 biosynthesis. ACTA ACUST UNITED AC 1988. [DOI: 10.1039/p19880000839] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
223
Chang JC, Driver AG, Townsend CA, Kataria YP. Hemoptysis in sarcoidosis. SARCOIDOSIS 1987;4:49-54. [PMID: 3589193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
224
Townsend CA, Mao SS. Clavulanic acid biosynthesis: the stereochemical course of β-lactam formation from chiral glycerol. ACTA ACUST UNITED AC 1987. [DOI: 10.1039/c39870000086] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
225
Townsend CA, Ho MF, Mao SS. The stereochemical fate of (2RS,5R)- and (2RS,5S)-[5-3H]ornithine in clavulanic acid biosynthesis. ACTA ACUST UNITED AC 1986. [DOI: 10.1039/c39860000638] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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