John R. Heemstra, Ph.D.

2007 University of Illinois, Urbana-Champaign, Urbana-Champaign, IL 
synthesis of complex molecular structures
"John Heemstra"
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Scott E. Denmark grad student 2007 UIUC
 (Studies in asymmetric catalysis: Lewis base catalyzed/Lewis acid mediated aldol reactions of ketone- and amide derived nucleophiles.)
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Tianero MD, Pierce E, Raghuraman S, et al. (2016) Metabolic model for diversity-generating biosynthesis. Proceedings of the National Academy of Sciences of the United States of America
Ruffner DE, Schmidt EW, Heemstra JR. (2015) Assessing the combinatorial potential of the RiPP cyanobactin tru pathway. Acs Synthetic Biology. 4: 482-92
Setser JW, Heemstra JR, Walsh CT, et al. (2014) Crystallographic evidence of drastic conformational changes in the active site of a flavin-dependent N-hydroxylase. Biochemistry. 53: 6063-77
Neumann CS, Jiang W, Heemstra JR, et al. (2012) Biosynthesis of piperazic acid via N5-hydroxy-ornithine in Kutzneria spp. 744. Chembiochem : a European Journal of Chemical Biology. 13: 972-6
Jiang W, Heemstra JR, Forseth RR, et al. (2011) Biosynthetic chlorination of the piperazate residue in kutzneride biosynthesis by KthP. Biochemistry. 50: 6063-72
Zhang W, Heemstra JR, Walsh CT, et al. (2010) Activation of the pacidamycin PacL adenylation domain by MbtH-like proteins. Biochemistry. 49: 9946-7
Heemstra JR, Walsh CT, Sattely ES. (2009) Enzymatic tailoring of ornithine in the biosynthesis of the Rhizobium cyclic trihydroxamate siderophore vicibactin. Journal of the American Chemical Society. 131: 15317-29
Heemstra JR, Walsh CT. (2008) Tandem action of the O2- and FADH2-dependent halogenases KtzQ and KtzR produce 6,7-dichlorotryptophan for kutzneride assembly. Journal of the American Chemical Society. 130: 14024-5
Denmark SE, Wilson TW, Burk MT, et al. (2007) Enantioselective construction of quaternary stereogenic carbons by the Lewis base catalyzed additions of silyl ketene imines to aldehydes. Journal of the American Chemical Society. 129: 14864-5
Denmark SE, Heemstra JR. (2007) Lewis base activation of Lewis acids: catalytic, enantioselective vinylogous aldol addition reactions. The Journal of Organic Chemistry. 72: 5668-88
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